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Tascam DA-78HR Microcassette Recorder User Manual

1. 36 6 3 1 Enabling and disabling shuttle monitoring eese 36 6 4 Shuttle muting 36 6 5 Summary of monitor modes 37 7 Advanced operations 7 1 Autolocation 38 Table of Contents 7 1 1 Setting MEMO 1 and MEMO 2 on ULTIME 38 7 1 2 Checking editing and manually entering MEMO 1 and MEMO 2 38 7 1 3 Setting the location pre roll time 38 7 1 4 Moving to MEMO 1 and MEMO 2 38 7 15 Location and playback 38 7 2 Repeat function 39 7 2 1 To start repeat play 39 7 3 Track delay iaia 39 7 4 SUD MiXO Tico dineraria rias 40 7 4 1 Entering mixdown mode 40 7 42 Setting the master level 40 7 4 3 Leaving edit pan setting mode 40 7 44 Setting levels and pan positions 40 7 45 Setting the sub mixer input sources41 7 5 Crossfade times 41 7 6 Vari speed pitch control 41 7 6 1 To set a non standard speed 41 7 7 Shuttle operations 42 7 7 1 Shuttle monitoring 42 7 7 2 Shuttle muting 42 7 8 Meter modes 42 7 8 1 Peak hold time 42 7
2. 51 10 1 2MME commands and the DA 78HR62 10 2 MMC Bit Map Array 63 9 Operations related to timecode 10 3 MIDI Control Change 65 9 1 ABS and timecode 52 10 4 MIDI System Exclusive 65 9 1 1 ABS time eene 52 10 4 1 Identity Reply sss 65 9 1 2 Tape timecode 52 10 4 2 TASCAM Exclusive messages 65 9 1 3 Selecting TC or ABS timing 52 10 4 3 Track delay nenna 65 9 2 Tape timecode mode 52 10 4 4 Crossfade sess 65 9 2 1 TAPE TC setting esee 53 10 4 5 Machine offset 65 9 2 2 ABS setting essere 53 10 4 6 Track Copy Setup 66 9 3 Selecting the frame mode 53 10 4 7 Track Copy Enable iia 66 9 4 Timecode input and output 53 10 5 MIDI Implementation Chart 67 9 4 1 Showing input timecode 54 11 Maintenance etc 9 4 2 Timecode input timing 54 i 9 4 3 Timecode output 54 11 1 Head and transport cleaning 68 9 4 4 MTC output Ls 54 11 1 1To clean the heads and transport 68 9 4 5 Fast linear timecode LTC output 55 11 1 2 Checking error
3. 7 4 5 Setting the sub mixer input sources 1 From the pan setting as described immedi ately above press either the REC FUNCTION key of the active channel or the LEVEL PAN key 2 The display will show the current input source for the channel e g in E in1 ti the in put source for channel 1 is track 1 3 Usethe A and V keys to cycle throught through track 1 through 8 F through AE analog inputs 1 through 8 and d through dA digital inputs 1 through 8 4 Pressing the A and W keys together will nor malize the sub mixer feeding each channel 41 TASCAM DA 78HR with the output of the correspondingly num bered track These assignments are temporary and remain only as long as the mixdown mode is enabled When the mixdown mode is disabled the previous input patch bay settings are restored 5 To record the mixer outputs onto tracks 7 and 8 arm these tracks and record in the usual way 7 5 Crossfade times As mentioned earlier 5 6 Punch in and punch out digital punch recording requires that the ori gi nal and new signal be crossfaded over a short period of time The factory default crossfade time for the DA 78HR is 10 ms and this can be adjusted in 10 millisecond steps to a maximum of 200 ms For the most part 10 ms is an adequate value and will produce seamless punches but there may be times matching reverb settings etc when a longer crossfade is required 1
4. 0 E E Ta The number of segments lit indi e 96 128 cates the blocks containing i sa errors per group of 128 blocks 1 7279 as shown here 6471 ME i 56 63 It is inevitable that there will be al ME a few errors but if the meter pe 32 39 segments are consistently lit ao 1 while the tape is playing some 1 M 15 thing is wrong and you will 07 none Iit almost certainly be able to hear it Use this display to show where the tape is in error and which head is causing errors In this way you can pinpoint any trouble If playing another tape seems to remove the errors the problem is withthe tape otherwise you may want to clean the heads 11 1 Head and transport clean ing Remember not to clean the heads more than 5 times in a row If after trying different tapes and cleaning the heads you still see many errors you should contact a TASCAM service technician to check your DA 78HR 5 Usethe A and W keys to turn off the error dis play and use the meters for their normal functions 11 1 3 Checking drum time This function allows you to check the number of hours that the drum has been used overall as well as in fast forward or rewind search mode 1 PresstheSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the 69 TASCAM DA 78HR display shows A inkn MAINTN maintenance 2 Press the SUB MENU key until
5. 1 Press the SHIFT key so that the unit is in shift mode SHIFT indicator is flashing 2 Press the MENU key until the display shows Aud io 1 AUDIO1 3 Press the SUB MENU key until the display briefly shows in PAE cH IN PATCH and then changes to the current setting 4 To change between all analog and all digital inputs press the A and V keys ALL AnALL ALL ANALG all analog or ALL oLEL ALL DGTL all digital In the above two settings the inputs are map ped to the tracks on aone to one basis i e input 1 is routed to track 1 input 5 is routed to track 5 etc 5 3 1 Digital input selection If 7 and 8 are selected for digital input the d in D IN menu item allows you to choose between the TDIF 1 input and the SPDIF COAXIAL input If the SPDIF COAXIAL input is selected these sig nals c and 14 can then be routed to any track see below 5 3 2 Input patchbay routing If the SPDIF COAXIAL input is selected it is not possible to use the other six channels of the TDIF 1 digital input It is however possible to record analog TASCAM DA 78HR 29 5 Basic operations signals or to perform track bounce operations with the SPDIF COAXIAL input selected Note that whatever digital source is selected the appropriate clock must be selected If you are record ing from say a CD player which typically cannot accept a word clock as well as from a TDIF 1 source e g a TASCAM digital mix
6. 2 Select timecode as the timing reference 9 1 3 Selecting TC or ABS timing 3 Select a frame rate 93 Selecting the frame mode 4 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows EcL ric TCG REC 5 Select the source of the timecode as the internal generator 9 5 1 Selecting the timecode source 6 Press the SUB MENU key until the display briefly shows 5 r E E in STRT TIME fol lowed by the current start time of the generator 7 Edit the generator start time as described in 4 3 Menus and sub menus 8 To record the timecode press the SUB MENU key until the display shows c r Ec En O TC REC ENO i e disabled Use the A and W keys to change the setting to enabled The TC indicator will start flashing This set ting will return to 7 disabled when timecode recording has finished 9 Tostart the generator press the SUB MENU key until the display shows tic Sta TCG STOP Then use the A or V key to start the generator running The display will show c amp run TCG RUN 10 Press and hold the PLAY and press the RECORD key and the tape will start recording The TC indicator will start flashing faster while timecode striping is going on You can also start recording steps 8 and 10 and then start the timecode generator step 9 If the method described above arming the timecode track and then starting recordi
7. 4 Insert the master tape into the source master and a blank tape formatted with the same sampling frequency and with the same record ing resolution as the master tape into the tar get slave 50 TASCAM DA 78HR 5 Select all digital as the input source on the target slave 5 3 Input selection 6 Put the target slave machine into CHASE mode 8 2 Machine ID and master slave settings 7 Locate the master tape to a point before the material you want to duplicate The target slave will also locate since it is in chase mode 8 Arm all tracks REC FUNCTION on the target slave machine 9 Make sure that all REC FUNCTION switches on the source master are turned OFF If any REC FUNCTION switches on the source mas ter are turned on you will erase your master tape You may want to use the tapes write protect tab 5 2 3 Write protecting cassettes 100n the master machine hold down RECORD and press PLAY No recording will take place on the source mas ter but the tracks will be recorded digitally on a one to one basis to the target slave There is no need to carry out any special pre dubbing procedure such as timing the digital output the digital and analog outputs are sep arate You can use the input patchbay on the target slave machine 5 3 2 Input patchbay rout ing to transfer tracks from the source master tape to different tracks on the target slave Note that you cannot combine t
8. 15 REMOTE IN SYNC IN 15 MIDI IN OUT THRU 15 ai SYNC QUT sci 15 REMOTE IN eere 15 REMOTE PUNCH IN OUT 16 ED TDIF 1 DIGITAL I O 16 TIME CODE IN OUT 16 WORD SYNC IN OUT THRU 16 DIGITAL IN OUT COAXIAL 16 ANALOG INPUTS unbalanced 16 ANALOG INPUTS BALANCED 16 ANALOG OUTPUTS unbalanced 16 ANALOG OUTPUTS BALANCED 16 be Nile 16 3 Connections 3 1 Audio connections 17 3 1 1 Balanced analog audio connections17 3 1 2 Unbalanced analog audio connections eese nnen iena 17 3 1 3 Digital audio connections 17 3 1 4 SPDIF connectors 18 3 2 Synchronization connections 18 3 2 1 Word clock connections 18 3 2 2 MIDI connectors IN OUT and THRU 5 id RM 18 3 2 3 Timecode connections 18 3 2 4 MIDI timecode connections 18 3 3 Connection to other TASCAM units 18 3 3 1 REMOTE IN nen 18 3 3 2 Footswitch esses 18 3 3 3 Multiple DTRS units 18 3 3 4 Indirect word sync 19 4 Menu interface etc 4 1 The displa
9. The slave machine should now follow the trans port movements of the master with the appro priate offset so that the music enters at the right point TASCAM DA 78HR 49 8 Synchronization with other DTRS units 8 4 Digital dubbing PW 88D or PW 88DL digital I O cable TARGET SLAVE Terminator plug When you copy tapes between DTRS units in the digital domain there is no loss of quality A work tape or copy is therefore indistinguishable from the original Additionally the DA 78HR uses low cost media Hi8 video cassettes which makes it easy to back up important projects When you copy tracks from DA 88 units the word length should be set to 16 bits 5 4 2 Selecting input word length You may want to exploit these features of the DTRS system to make archive copies and safety copies of important material see 1 5 Recommended tapes for our suggestions on tape use 1 With the power to all units turned OFF make the synchronization connections as described in 8 1 Synchronization connections Remember to terminate the slave unit 2 Connect the DIGITAL I O of the master unit source to the DIGITAL VO of the slave target Use only the approved cables PW 88D or PW 88DL to connect the DTRS units Use of any other cables can cause damage to the units and will invalidate the warranties 3 Tum on both units Make sure the machines IDs are correctly set 8 2 2 Setting machine ID
10. cc 09 There are two data bytes destination and source destination is the tape track number 1 00 through 07 10 MIDI control source is either the input channel number 1 00 through 07 or the tape track number 1 8 08 through OF 10 4 7 Track Copy Enable lt cc gt 0a 1 byte of data to enable or disable the function 0 disable 1 enable TASCAM DA 78HR 66 10 MIDI control 10 5MIDI Implementation Chart TASCAM Multitrack Digital Recorder date 1999 09 20 Model DA 78HR MIDI Implementation Chart Version 1 00 Transmitted E Recognized E Remarks Function Basic Default x DOX Channel Changed LLO 1 sL6 Default ox 1 xX Mode Messages 2 Xx zo Xx Altered ko ck ckck RK ck ko KR KK KK Note EX 2 Xx Number True volces ek Re ck Wok dese RAR Velocity Note ON rd Note OFF Hu F X After Key s x x Touch Ch s x x Pitch Bender x x pr uM pe luo Sn a LAT e ia i Ic MERC Top 9s 100 dll x o Other x x Control Change True 0 127 Prog x x Change True 1 128 System Exclusive o o XT 4 System Song Pos x x Song Sel x X Common Tune x x LC vivaio aiar Se Se io SS SS epe pee System Clock 0 ub UR Real Time Commands x ox Aux Local ON OFF x ox All Notes OFF x DOX Mes Active Sense x Box
11. maintenance 2 Press the SUB MENU key until the display briefly shows u r 5 on VERSION and then changes to either 545 SYS x yy the FRNT x yy system software Fr nt the front panel software or Suo fi 22 SVO x yy the servo software The x yy here represents the software revision number e g 1 00 Use the A and V keys to display the required software component version number 11 Maintenance etc 11 3 1 Software upgrades TASCAM pursues a policy of continuous improve mentto products and there may be future enhance ments to the DA 78HR software Your TASCAM dealer will be able to advise you of developments in this area TASCAM DA 78HR 70 12 Options specifications and reference 12 10ptions for the DA 78HR You can purchase a number of options through your TASCAM dealer 12 1 1 RC 898 remote control unit This full function remote control unit can control up to six DTRS units in addition to VTRs and analog audio devices With 99 location point memories and an easily visi ble display and dedicated keys this unit represents one of the most sophisticated options available for controlling a DTRS system 12 1 2 RC 828 remote control unit Up to four DTRS recorders can be controlled using the RC 828 remote control with jog shuttle control transport and track arming controls and twelve loca tion points 12 1 3 RC 808 remote control unit For transport and trac
12. sages Reset EOR 10 Notes 1 MMC RP Ver 1 00 T R T Transmitted Identity Request R Identity Reply T R Recognized H TASCAM System Exclusive R MTC Quarter Frame Message T ii Mode 1 OMNI ON POLY Mode 2 OMNI ON MONO o Yes Mode 3 OMNI OFF POLY Mode 4 OMNI OFF MONO x No 67 TASCAM DA 78HR 11 Maintenance etc The DA 78HR incorporates an internal cleaning mechanism that not only cleans the rotary head but also the tape as it enters the tape path The provision of this cleaning mechanism significantly reduces the need for manual cleaning If despite the internal cleaning mechanism the PB CONDITION indicator Q lights the heads are dirty and manual cleaning procedures should be followed Use a TEAC HC 8 cleaning tape recommended or a dry cleaning tape specially designed for Hi8 8mm video equipment NEVER use a wet type cleaning tape as this will result in winding problems The use of the dry tape will reduce the head life of the DA 78HR by about five hours Use of manual cleaning is therefore discouraged We recommend the following schedule based on our experience with the DTRS system for cleaning and maintenance schedules See 11 1 3 Checking drum time below for details of how to check head usage time Every 350to 400 Perform manual cleaning of heads and hours guides as described below Check the tape path alignment after cleaning This requires proper test and measuremen
13. 6 When the save operation has finished correctly the display shows don E DONE The tape may now be ejected If there is no tape inserted or the tape has not been formatted when the save operation is readied the display shows na ERPE NO TAPE If the tape is not stopped when the save operation is readied the display shows not StaP NOT STOP If an error is encountered while saving is taking place the display will show GAGE Err SAVE ERR 7 15Restoring settings from tape This allows you to recall settings stored on tape as described above 7 14 Saving settings to tape 1 To restore settings the tape containing the set tings must be loaded The tape must be stopped before you start this restore operation 7 Advanced operations Press the SHIFT key so that the SHIFT indicator 6 Ifthe settings data on the tape has been read is flashing and press th e MENU key until the successfully the display will show r Hd o display shows 5H 5E En SYSTEM READ OK The unit will then re start as if Press the SUB MENU key until the display power bad Just been pumed on shows L aid oF F LOAD OFF If there is no tape inserted or the tape has not been formatted when the load operation is readied the Press the A key to make the DA 78HR ready display shows no E APE NO TAPE for loading the settings The display will show rE Adi READY If the tape is not stopped when the load operation is died the displ
14. MIDI control 10 3MIDI Control Change It is also possible to send use MIDI Control Change messages to control the sub mixer parameters as descri bed here Parameter MDI Control Hex value Channel fader Volume 7 0x07 Channel pan Pan 10 0x0a Master fader Control 9 0x09 Channel mute Control 11 OxOb a Values of 0 through 63 turn mute on values of 64 through 128 turn it on MIDI channels 1 through 8 control channels 1 through 8 on the master DA 78HR in a DTRS chain MIDI channels 9 through 16 can be used to control channels 1 through 8 on the first slave DA 78HR in a chain 10 4 MIDI System Exclusive The following are the System Exclusive formats used by the DA 78HR 10 4 1 Identity Reply Reply to an Identity Request FO SysEx header 7E Universal SysEx non realtime header lt channel gt Obtained by subtracting 1 from the Machine ID lt 06 gt sub ID 1 general information lt 02 gt sub ID 2 device identity reply 4E TEAC ID 01 Category recorder 04 type digital cassette 04 interface direct 0C machine DA 78HR VH Software version of unit Numbers above deci mal point expressed in binary lt VL gt Software version of unit Numbers below decimal point express ed in binary 00 Currently unassigned 00 Currently unassigned F7 End of SysEx 65 TASCAM DA 78HR 10 4 2 TASCAM Exclusive messages These TASCAM Exclusive messages are developed for controlling DTRS recorders connected to
15. These 15 segment peak meters show the input level or the recorded signal level depending on the moni toring mode currently in operation 6 Monitoring When using digital recording equipment there is no headroom above the 0 dB mark and no tape satura tion is possible Any signal which causes the OVER segment to light will cause audible distortion For this reason you should take care not to let recording lev els exceed this level The ballistics and peak hold times are selectable see 7 8 Meter modes They may also be used to provide a quick visual guide to the status of some of the settings sub mixer patchbay etc See 4 1 1 Peak meters for details 2 5 Rear panel features See 3 Connections for full details of how to con nect the DA 78HR to other units REMOTE IN SYNC IN This connector is used to connect another master DTRS unit e g DA 78HR DA 98 DA 88 or DA 38 See 8 Synchronization with other DTRS units for further details A TASCAM remote control unit may also be con nected here but not all functions of the DA 78HR may be available from the remote control unit MIDI IN OUT THRU These connectors carry MIDI Time Code MTC and MMC MIDI Machine Control commands as well as MIDI System Exclusive messages See 10 MIDI control for details of how these facilities are used when synchronizing to other units SYNC OUT This is used to connect another DTRS unit in the
16. causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufac turer s instructions and should use a mounting accessory recommended by the manufacturer 9 A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart com bination to overturn VA TY gt 10 Ventilation Slots and openings in the cabinet are provided for ven tilation and to ensure reliable operation of the product and to protect it from overheating and these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to 11 Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating instructions 12 Grounding or Polarization This product may be equipped with a polarize
17. connections In addition to the balanced analog set of connections there are eight RCA jacks for input signals and eight for output These are of course unbalanced and the nominal signal level is 10 dBV Only connect and use one set of analog inputs ata lime There is no facility to switch between ihe two sets of analog input connectors 3 1 3 Digital audio connections Multitrack digital audio input and output signals are carried on a single 25 pin D sub connector The sig nals are in TDIF 1 format To carry signals between a DA 78HR and another unit equipped with TDIF 1 interfaces such as the TASCAM series of digital mixing consoles or other DTRS recorders use a PW 88D cable 1 meter long or a PW 88DL cable 5 meters long If you need to connect the DA 78HR to a digital audio source using a different format we recommend the use of the following units e TASCAM IF 88AE Interface Unit converts between the TDIF 1 and AES EBU formats 8 channels It also provides SPDIF format conversion facilities e TASCAM IF AE8 also provides sophisti cated conversion facilities between the TDIF 1 and AES EBU data formats e TASCAM IF 88SD Interface Unit converts between the TDIF 1 and SDIF 2 digital audio formats The TASCAM IF TAD converts between the TDIF 1 and ADAT data formats using a digital optical input output for the ADAT data TASCAM DA 78HR 17 3 Connections 3 1 4 SPDIF connectors The coaxial R
18. daisy chain or if this DA 78HR is the last unit in the chain to attach a termination plug REMOTE IN Use this to connect an optional RC 808 remote con trol unit Note that not all features of the DA 78HR can be controlled using the RC 808 REMOTE PUNCH IN OUT Use this to connect an optional RC 30P foot switch to control punch operations TDIF 1 DIGITAL I O This connector carries the digital signals to and from the DA 78HR in TEAC Digital Interface Format TDIF 1 TIME CODE IN OUT These RCA connectors are used to carry SMPTE EBU timecode to and from the DA 78HR For details of using the DA 78HR with timecode synchroniza ti on see 9 Operations related to timecode WORD SYNC IN OUT THRU These BNC connectors are used to carry the word clock between the DA 78HR and other types of digi tal audio equipment The THRU connector is auto terminated i e there is no need for a terminator when this is unconnected DIGITAL IN OUT COAXIAL These RCA connectors provide an SPDIF stereo di g ital audio signal containing the submi x signal OUT or accept an SPDIF signal IN for recording see 7 4 Sub mixer and 5 3 1 Digital input selection 2 Front and rear panel features ANALOG INPUTS unbalanced These eight RCA connectors accept unbalanced ana log audio inputs at 10 dBV ANALOG INPUTS BALANCED This connector carries 8 balanced inputs at a nominal
19. pre roll and 3 seconds post roll and the maximum value is 59 minutes 59 seconds for both Any punch operation from now will take your setting for pre roll and use it when locating the tape to the punch in point For example if your pre roll time has been set to 10 seconds 00 00 10 00 and the punch in point is at 00 06 03 12 the tape will locate to 00 05 53 12 when starting rehearsal or punch in 5 6 5 Rehearsing the punch in After you have setthe punch points and you have located the tape to the pre roll point as described above you can rehearse the punch process 1 Press theRHSL key so that the indicator lights steadily This indicates that you are now in rehearsal mode 2 Press PLAY The tape will start playing from the pre roll point 3 At the punch in point monitoring will change to source The RECORD key will flash and the REC FUNCTION indicator of any armed tracks will light steadily However recording will not be carried out 4 Atthe punch out point monitoring will chan ge back to off tape monitoring The tape will continue playing to the post roll point and then rewind to the pre roll point 5 Repeat the rehearsal process until you are sat isfied with the performance 5 6 6 Interrupting a rehearsal or punch recording Very often while rehearsing a punch in you will not want to run the tape all the way to the punch out point an entry cue is missed or a mistake is made early on in the ta
20. 5 3 2 Input patchbay routing press and hold down one of the A or Y keys and press the other of these keys The routing will change to all analog AL L AnAL ab 5 4 More on digital recording The DA 78HR is able to accept and output digital signals at the DIGITAL I O connector in TDIF 1 format The DA 78HR should be connected to other TDIF 1 equipment using a PW 88D or PW 88DL connector cable Only use a TASCAM digital cable when making digi tal audio connections to the DA 78HR Other types of cable may cause damage to the system and the warranty will be voided if such damage is caused by use of the wrong cables The DA 78HR should be setto be either a word clock master or a word clock slave when connected to other digital equipment There can only be one word clock master in a setup 5 Basic operations 5 4 1 Sampling frequency and word length If you attempt to record digitally from a digital source which has a different frequency from that pre viously recorded as the DA 78HR s tape format the Fs indicator corresponding to the tape s sampling frequency will start to flash This indicates a fre quency mismatch Recording with different sampling frequencies is not recommended problems will certainly occur on replay of such a recording If you attempt to record digitally from a digital source with a word length 5 1 Formatting a tape different from that for which the tape has been for matted
21. 61 TASCAM DA 78HR When this function is enabled individual recording is possible when chasing to timecod e and when it is disabled allslave units follow the master s lead 10 MIDI control 10 1MMC enable and disable The DA 78HR can be controlled using MIDI Machine Control Commands MMC To enable and disable the DA 78HR s response to these commands 1 PresstheSHIFT key so that the SHIFT indicator is flashing and then press the MENU key until the display shows d MIDI 2 Press theSUB MENU key until the display showsn id an or n id oFF MIDI ON or MIDI OFF 3 Usethe A and W keys to make the appropriate setting Turning this parameter on and off will also enable and disable respectively the transmission of MIDI timecode MTC 10 1 1 Assigning a MIDI ID to the DA 78HR A MIDI ID is used in a MIDI Machine Control setup to identify each unit in the MIDI chain One and only one of up to 127 units can be desig nated as the MIDI Timecode Master for the whole chain This MIDI ID is not the same as a MIDI Channel number even though some units manuals may refer to itas a channel number and is not connected with the Machine ID 8 2 2 Setting machine ID To set the MIDI ID 1 PresstheSHIFT key so that the SHIFT indicator is flashing and then press the MENU key until the display shows id MIDI 2 Press theSUB MENU key until the display shows d 1D followed by the curren
22. 78HR TEAC CORPORATION Phone 0422 52 5082 3 7 3 Nakacho Musashino shi Tokyo 180 8550 Japan TEAC AMERICA INC Phone 323 726 0303 7733 Telegraph Road Montebello California 90640 TEAC CANADA LTD Phone 905 890 8008 Facsimile 905 890 9888 5939 Wallace Street Mississauga Ontario L4Z 1Z8 Canada TEAC MEXICO S A De C V Phone 5 658 1943 Privada De Corina No 18 Colonia Del Carmen Coyoacon Mexico DF 04100 TEAC UK LIMITED Phone 01923 819699 5 Marlin House Marlins Meadow The Croxley Centre Watford Herts WD1 8YA U K TEAC DEUTSCHLAND GmbH Phone 0611 71580 Bahnstrasse 12 65205 Wiesbaden Erbenheim Germany TEAC FRANCE S A Phone 01 42 37 01 02 17 Rue Alexis de Tocqueville CE 005 92182 Antony Cedex France TEAC BELGIUM NV SA Phone 0031 30 6048115 P A TEAC Nederland BV Perkinsbaan 11a 3439 ND Nieuwegein Netherlands TEAC NEDERLAND BV Phone 030 6030229 Perkinsbaan 11a 3439 ND Nieuwegein Netherlands TEAC AUSTRALIA PTY LTD A C N 005 408 462 Phone 03 9644 2442 106 Bay Street Port Melbourne Victoria 3207 Australia TEAC ITALIANA S p A Phone 02 66010500 Via C Cant 11 20092 Cinisello Balsamo Milano Italy PRINTED IN JAPAN 109981 5 MA 0324A
23. Europa Warnung Dies is eine Einrichtung welche die Funk Entst rung nach Klasse A besitzt Diese Einrichtung kann im Wohnbereich Funkst rungen versursachen in diesem Fall kann vom Betrieber verlang werden angemessene Ma nahmen durchzuf hren und daf r aufzukommen IMPORTANT SAFETY INSTRUCTIONS CAUTION e Read all of these Instructions e Save these Instructions for later use eFollow all Warnings and Instructions marked on the audio equipment 1 Read Instructions All the safety and operating instructions should be read before the product is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the product and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for clean ing 6 Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards 7 Water and Moisture Do not use this product near water for example near a bath tub wash bowl kitchen sink or laundry tub in a wet basement or near a swimming pool and the like 8 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall
24. Press the SHIFT key sothat the SHIFT indicator is flashing and press the MENU key until the display shows Aud ia Z AUDIO2 2 Press the SUB MENU key until the display HoE C FADE xxx where xxx shows c F Adz is the current crossfade time in milliseconds 3 Usethe A and V keys to adjust the crossfade time 10 through 200 ms in 10 ms steps 7 6 Vari speed pitch control The speed of recording and playback and hence the pitch of the DA 78HR can be adjusted to 6 above or below normal speed in 0 196 steps You cannot operate the pitch control when the DA 78HR is slaved to another unit or synchronized to an external word clock If the clock is changed to exter nal while varispeed is on the VARI SPEED indicator will go out The indicator will also go out if chasing is enabled while varispeed is on 7 6 1 To set a non standard speed 1 Press the VARI SPEED key Its indicator will light and the SHIFT indicator will flash 2 Use the A and V keys to change the value maximum 6 0 minimum 6 0 in 0 1 9o steps Reset the value to 0 00 by pressing and hold ing either of the A or V keys and pressing the other 3 Press the SHIFT key to turn off the setting mode The VARI SPEED indicator will continue to belit showing that varispeed is currently enabled 4 Turn off varispeed when the VARI SPEED indicator is lit by pressing the VARI SPEED key to turn the indicator off The VARI SPEED indicator wil
25. TRS sync the difference between the ABS time of the master unit and the slave unit is shown To show the frame mode of the incoming timecode 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display briefly shows r n nod FRM MODE fol lowed by the system frame mode as described in 9 3 Selecting the frame mode 3 Press and hold the SHIFT key and press the A key so that the display shows E 2255 EXT XXXX where xxxx is the abbreviation for the external timecode frame mode If no external timecode is being received the display shows ESE EXT 9 4 2 Timecode input timing Because of the nature of analog to digital conver sion the ti mecode input to the DA 78HR must be synchronized either to the audio from the digital or analog outputs 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display briefly shows in Ec EAL IN TC TMG and then changes to the current setting 3 Use the A and W keys to change between HnfiL oL ANALOG and d iL AL DIGITAL 9 4 3 Timecode output The timecode received at the timecode input jack or the timecode recorded on tape or synthesized from ABS can be output from the timecode output jack When the DA 78HR is the timecode m
26. V key to change the value to shuttle mute enabled or shuttle mute disabled 6 Monitoring 6 5 Summary of monitor modes The following table shows what will be monitored MON and the REC FUNCTION settings and on the from a track This depends on the ALL INPUT AUTO transport mode currently engaged REC SHUTTLE FUNCTION shuttle monitor Z De 37 TASCAM DA 78HR 7 Advanced operations 7 1 Autolocation The DA 78HR contains two location memories accessible through the LOC 1 and LOC 2 keys These also allow a A B repeat facility which allows you to rehearse part of a mixdown for instance These two location memory points are referred to as MEMO 1 and MEMO 2 As with the punch recording points 5 6 Punch in and punch out itis possible to set and edit these points in a number of ways 7 1 1 Setting MEMO 1 and MEMO 2 on the fly This can be done regardless of the current status of the tape transport playing recording winding stopped or shuttle 1 Press and hold down the SHIFT key and press the MEMO 1 or MEMO 2 key The currenttape position when the MEMO key was pressed will be stored to the appropriate location memory MEMO 1 or MEMO 2 The display will indicate that the location memory point has been stored Pr E SEL PRESET 7 1 2 Checking editing and manual ly entering MEMO 1 and MEMO 2 The checking editing and manual entry of the Memo 1 and Memo 2 location
27. above 2 Press andhold down the A key and press the W key to reset the value Timecode offset will now be cancelled and the front panel OFFSET indicator will go out 9 6 5 Setting timecode offset on the fly As well as entering an absolute number it is also pos sible to enter a number on the fly as the tapes are playing 1 Locate the two devices master and slave DA 78HR so that they have the right offset either by playing the tapes and pausing them or carry out the next operation while one or both tapes is being played back 2 Ontheslave DA 78HR press and hold the SHIFT key and press the AUTO IN OUT OFFSET key at the correct offset time to cap ture and store the offset The display will briefly showfit oF FSEL AT OFFSET and the current difference between the master unit and slave DA 78HR will be stored as an offset 9 6 6 Park position When the DA 78HR is slaved to an external time code source it will take some time between the mas ter unit starting to play and starting to transmit timecode for the DA 78HR to read 59 TASCAM DA 78HR These functions allow you to measure and test the optimum pre roll position for the DA 78HR when it is atimecode slave to park itself relative to the mas ter timecode device so that it will lock up and start playing quickly 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows E c cH5 TC CH
28. all multitrack recorders the DA 78HR has a number of different monitoring modes depending on the current monitor status transport status and whether the track is armed or not When a DA 78HR track is in playback mode the monitoring is off tape The controls which affect monitoring are ALLINPUT AUTO MON In addition there are two menu items affecting the monitoring e shuttle monitor e shuttle mute 6 1 ALL INPUT When this is active the signal from the DA 78HR s outputs will always be the appropriate input source signal for all tracks When the ALL INPUTkey is pressed its indicator will light Monitoring for all tracks will be source monitoring rather than off tape 6 2 AUTO MON This mode is primarily used in punch operations When auto monitor mode is entered by pressing the AUTO MON key the AUTO MON indicator lights This automatically changes the monitoring on armed tracks from off tape to source when recording or rehearsing a recording and back to off tape when the punch out point is reached 6 3 Shuttle monitor In addition to these modes there is one further set ting that affects monitoring but only in one special case shuttle mode Usually whenshuttling the tape you will want to monitor off tape However if a track is armed you may want to listen to the source input signal rather than the off tape recording 36 TASCAM DA 78HR ALL INPUT overrides any shuttle monitoring selec ti
29. and be sure to re fit the fuse cover IF IN DOUBT CONSULT A COMPETENT ELECTRICIAN 2 TASCAM DA 78HR r For U S A TO THE USER This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residental area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense CAUTION Changes or modifications to this equipment not expressly approved by TEAC CORPORATION for compliance could void the user s authority to operate this equipment For the consumers in Europe WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Pour les utilisateurs en Europe AVERTISSEMENT Il s agit d un produit de Classe A Dans un environnement domestique cet appareil peut provoquer des interf rences radio dans ce cas l utilisateur peut tre amen prendre des mesures appropri es F r Kunden in
30. are the same value If the SHIFT and REC FUNCTION keys are used each meter shows the record mute status of the correspond ingly numbered track as shown here only one segment lights to show the mute status Press SHIFT and one of the REC FUNCTION keys as described in 4 1 1 Peak meters to toggle this meter mode off and on The default at power on is for this mode to be on O z ewes mr i fs E O T mn E O r 0 0 nmpm E 1 7 Pressing the A and W keys together makes the default ALL oFF setting 7 11Dither Dither is the technique of adding a known noise to low level signals especially when converting from a high number of bits for instance 24 or 20 input bits as in the case of the DA 78HR to a lower number for instance 16 the DA 78HR s non HR tape word length to improve quantization Paradoxically this technique of adding noise removes quantization noise and distortion at low sig nal levels and improves the overall distortion fig ures Though quantization noise is reduced there is a loss of a few dB in the signal to noise ratio For this rea son the DA 78HR does not implement dither as a standard but allows you to choose between no dither rectangular or triangular the shapes refer to the dis tribution of values in the digital noise Rectangular gives about 3dB better signal to noise ratio than tri angular but there is noise modulation which may
31. be audible when recording and playing back low level program sources Dither can be turned on and off while recording is taking place However there will probably be an audi ble change in the sound quality We suggest making a test recording before a session In this way you will be able to make an instant assessment of the effects of the different dither settings on your program mate rial 7 11 1 Selecting dither settings 1 Press the SHIFT key so that the SHIFT indicator is flashing and then press the MENU key until the display shows Aud io 1 AUDIO1 2 Press the SUB MENU key until the display shows d EH i DITH xxx where xxx is the current setting 3 Usethe A and V to select the dither function you want either oF F OFF r Ect RECT rectangular or r TRI triangular 7 12Advanced output options 7 12 1 Output word length The output word length from the TDIF 1 and the SPDIF COAXIAL outputs can be set to either 16 or 24 bits 1 A full discussion of dither and other digital audio techniques is outside the scope of this manual However a good starting point for learning aboutthis and other aspects of digital audio is John Watkinson s The Art of Digital Audio pub Focal Press 7 Advanced operations 1 Press the SHIFT key so that the unit is in shift mode SHIFT indicator is flashing 2 Press the MENU key until the display shows Aud a AUDIO2 3 Press the SUB MENU key until t
32. each other via the SYNC IN connections The messages follow the following format FO Sys Ex header 4E TEAC ID lt channel gt Obtained by subtracting 1 from the Machine ID 11 Operation code DTRS SYNC IN am Machine ID set on each DTRS recorder cc Command code data Data format varies according to command cS checksum lower 7 bits of the sum of all num bers from and including cc upto cs F7 End of SysEx 10 4 3 Track delay Track delay can be set from 200 through 7200 lt cc gt 04 lt data gt is 5 bytes lt tk gt lt da gt lt db gt lt dc gt lt dd gt tk 0s000ttt where s sign bit 1 if negative and tttis the track number da db dc and lt dd gt represent the units tens hundreds and thousands digits respectively of the delay value 10 4 4 Crossfade Can be set from 0 to 90 ms in this way cc 05 1 data byte taking a value from 0 through 9 0 through 90 ms 10 4 5 Machine offset Used to set the machine offset of a slave machine chasing to a master via a SYNC IN connection the master s chase cannot be set of course The limits of this parameter are 02 00 00 00 If a value over or below these limits are entered the limit value will be set cc 06 data is four bytes lt hh gt mm ss ff hh Osssuuuu where sss 000 means a plus value andsss 01 is a minus value uuuu is the hours setting 10 4 6 Track Copy Setup
33. ft 8 channe analog balanced audio VO cable e g DA 78HR lt gt M1600 PW4D 4m 12ft 8 channel analog balanced audio I O cable e g DA 78HR lt gt M1600 PW 10D 10m 30 ft amp channel analog balanced audio l Ocable e g DA 78HR gt M1600 TASCAM DA 78HR 71 12 Options specifications and reference 12 2Specifications 12 2 1 Tape recorder section Format Recording method Tape type Head construction Tracking method Erasure method Drum speed Tape speed Equivalent tape speed Maximum recording time Time to play from stop Fast forward rewind time Search speed Shuttle speed Vari speed Positioning accuracy Positioning lock time Number of recording tracks Sub code Error correction Sampling frequency Recording playbak resolution Reference level Cross fade time Track delay Offset Sync clok AD convertors DA convertors Supported timecode formats DTRS DTRS HR format Rotary head helical scan method Hi8 MP tape Hi8 ME 2 x record 2 x playback ATF Automatic Track Finding Overwrite 2 000r p m 15 955 mm sec 4 2 msec 108 mn using P6 120 tape Less than 2 seconds 80 seconds using P6 120 tape Maximum of 100 x play speed Forward and reverse at 8 0 4 0 2 0 1 0 0 5 and 0 25 play speed 1 0 speed available only in forward shuttle mode 6 0 1 steps To 1 sample Within 8 seconds when locating 2 DA 78HRs synced together 8 ABS track SMPTE EBU timecode faci
34. functions may occur Turn on allthe DTRS units in your system regardless of whether you actually use all of them A unit or units turned off will make synchronization impossible To synchronize multiple DTRS units use a pre for matted tape in the master unit and also in the slave units Since the DTRS system uses ABS time to achieve synchroniza tion it is impossible to synchronize using tapes without ABS time recorded on them To synchronize multiple DTRS units all the tapes in each unit must be formatted at the same sampling rate or synchronization is impossible The synchronization connections form a dais y chain with the master unit at the head of the chain and the last slave at the tail Connections are made from the SYNC OUT of one unit to the REMOTE IN SYNC IN of the next This connection also carries the word clock between the DTRS units Slave units will automatically take their clock through this as shown by the front panel CLOCK indicators neither of which will be lit There are exceptional circumstances when indepen dent clocks may be necessary See 8 6 Individual clock mode for details Always make and break all connections with the power to all units in the chain turned OFF 8 2 Machine ID and master slave settings Each DTRS unit in the chain must be assigned a machine ID The unit at the head of the chain the master should have ID number 1 Though not strictly necessary we suggest th
35. includes in invisible sub frame value by pressing the A and W keys together After setting the punch times press SHIFT so that the indicator is no longer flashing You can locate the tape to the punch in point minus the pre roll time by pressing LOC 1 The methods described above can be used to trim punch points which have been captured on the fly 5 6 4 Editing the pre roll and post roll times As a default factory setting the DA 78HR will positionthe tape 5 seconds before the punch in point however this has been set The default post roll time is 3 seconds You can alter both these times using the following method 1 Makesure the SHIFT indicator is flashing the unit is in shift mode 2 Press the CLEAR PRE ROLL key When the display shows Pr 77075 rH PR 0005 RH the time of the punch pre roll is sho wn in minutes and seconds when the dis play shows Pr OOOO Lc PR 0000 LC this refers to the location pre roll time which is different 4 Usethe A and V keys to change the values the shifted A and W keys act as cursor keys between minutes and seconds TASCAM DA 78HR 33 5 Basic operations 5 Press theCLEAR PRE ROLL key once more so that the display shows Po HOOI PO 0003 i e the post roll time Since there is little point in setting pre and post roll times to frame accuracy you can only setthese val ues to second accuracy The minimum values you can set are 5 seconds
36. master unit it may be subject to errors dropouts on the timecode master tape etc These errors can cause synchroni zation failure the DA 78HR will no longer be locked to the timecode of the master unit You can set the DA 78HR to bypass and ignore incoming timecode errors of up to 30 frames in length or up to 10 frames in length 1 Press the SHIFT key sothat the SHIFT indicator is flashing then press the MENU key until the display shows E c c H5 TC CHS 2 Press the SUB MENU key so that the display briefly shows r r 53 H5 ERR BYPAS and then changes to the current setting 3 Use the A and Y keys to change between Fr n 10 FRM and 30 Fra 30 FRM 9 6 11 Individual recording while chasing timecode If slave DTRS units are chasing a master DTRS unit the default action is for the slaves record status to follow that of the master If the slaves are connected with TC as well as SYNC and have TC rather than ABS selected as the timing reference this default behavior can be overridden using the function described here 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows E c c H5 TC CHS TASCAM DA 78HR 60 9 Operations related to timecode 2 Press theSUB MENU key so that the display shows indu r Ec amp INDV REC x where x is L disabled or enabled 3 Usethe A and V keys to choose between L7 disabled and enabled
37. of the timecode stripe 25 TASCAM DA 78HR 4 Menu interface etc 4 11Maintenance menu 4 12Dedicated keys nH in E mi The following shifted keys also allow settings to be The following menu provides made These are fully described in the appropriate information relating to maintenance procedures etc uEr5 ian 545 system version Frnt front Suo servo 11 3 Checking version numbers System front pane driver servo software firmware versions drun E in EaEL total drum time 5rcH search Number of hours the drum has been in use Starts the head cleaning process b Er oFF on block error rate Displays the current block error rate cLEn cleaning n it backup Memory initialization dEGESPE df IBHr dA emulated device BB dR 3B dA type 9g 11 1 8 Checking drum time 11 1 Head and transport cleaning 11 1 2 Checking error rates 11 2 Backup memory initializa 7 13 Emulation sections of the manual e mesas neun DELAY Individual relative 7 3 Track delay track delay OFFSET Offset relative to timecode or abso lute times PREROLL Locate pre roll and auto punch pre and post roll times PITCH Varispeed 46 0 LOC MEMO 1 Location memory points LOC MEMO 2 83 Machine off set and 9 62 Timecode offset 5 6 4 Editing the pre roll and post roll times and 7 1 3 Setting th
38. off set a punch point which was previously at 00 33 00 00 33 minutes into the tape will still have the same value 00 33 00 00 but will now be only 3 minutes into the tape 8 3 2 Cancelling machine offset To cancel machine offset simply set the offset value to 00 00 00 00 1 Enterthe offset setting as described above 8 Synchronization with other DTRS units 2 Press and hold down the A key and press the W key to reset the value Machine offset will now be cancelled and the OFFSET indicator will go out 8 3 3 Setting machine offset on the fly As well as entering an absolute number it is also pos sible to enter a number on the fly as the tapes are playing 1 Locate the two tapes master and slave so that they have the right offset either by playing the tapes and pausing them or carry out the next operation while one or both tapes is being played back 2 On the slave unit to be offset press and hold the SHIFT key and press the AUTO IN OUT OFFSET key at the correct offset time to cap ture and store the offset The display will briefly show A oF F SEE AT OFFSET and the current difference between the master and slave tapes will be stored as an offset The value entered in this way can be edited later using the technique described above You cannot determine the offset from an unformatted tape or if either tape is currently displaying a nega tive ABS value 8 3 4 An example of settin
39. points are all essen tially the same operation Location points can be edited and entered to frame accuracy 1 PresstheSHIFT key so that the SHIFT indicator flashes 2 Press either the MEMO 1 or MEMO 2 key depending on which location point is to be accessed 3 The display briefly shows n Eno MEMO x and then the currently stored location memory is shown on the display The cursor flashing period is at the hours field 4 UsetheA and V keys to set the hours value and move the cursor with the SHIFTed A and V keys For details regarding the entry of time values induding sub frame entry see 4 3 Menus and sub menus 38 TASCAM DA 78HR 5 When the location times have been set press the SHIFT key to turn the SHIFT mode off and return the counter to its normal display 7 1 3 Setting the location pre roll time When you locate to a location memory the tape will stop at the memorized location point minus a pre defined pre roll time As shipped the DA 78HR s default location pre roll time is 0 seconds You can edit this to a value between 0 seconds the tape will locate to the exact location point and 59 minutes 59 seconds in 1 sec ond increments This pre roll time is independent of the punch pre roll time See 5 6 4 Editing the pre roll and post roll times 1 Settheunit into shift mode press the SHIFT key so that the SHIFT indicator is flashing 2 Press the CLEAR PREROL
40. process to change the fall back bal listics of the peak meters You cannot change the rise time of the meters which are fixed with peak meter characteristics 1 Press the SHIFT key sothat the SHIFT indicator is flashing and press the MENU key until the display shows 55 5E En SYSTEM TASCAM DA 78HR 42 7 Advanced operations 2 Press theSUB MENU key until the display showsri 5 RLS release and then changes to the current value for that setting 3 Usethe A and V keys to change the value between the F A 5 FAST 5L oH SLOW and n d MEDIUM settings 7 9 Sine oscillator The DA 78HR incorporates a digital oscillator for lineup and signal tracing purposes This oscillator is a sine wave oscillator at either the standard tuning frequency of 440 Hz ora tape line up signal at 1 KHz The oscillator signal levelis at the nominal signal level but note that since the oscillator is a constant sine wave it cannot truly be compared with real world transient signals To operate the oscillator 1 PresstheSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows Aud ia AUDIO2 2 Press theSUB MENU key until the display showsa 5c fi OSC xxx for oscillator with the current setting 3 Usethe A and W keys to switch the oscillator between the different settings F F OFF 4417 440 and it 1k When the oscillator is turned on it overri
41. rates cc 68 9 4 6 Timecode output timing 55 11 1 3 Checking drum time 69 9 5 Recording timecode 55 11 2 Backup memory initialization 69 9 5 1 Selecting the timecode source 55 11 3 Checking version numbers 69 9 5 2 Recording timecode using the 11 3 1 Software upgrades 70 generator eee 56 9 5 3 Generator modes 56 12 Options specifications and reference 9 5 4 Synthesizing timecode from ABS 12 1 Options for the DA 78HR 71 timing CA ANA IE RI 56 12 1 1 RC 898 remote control unit 71 9 5 5 External timecode sources 57 12 1 2 RC 828 remote control unit 71 9 5 6 Recording timecode from external 12 1 3 RC 808 remote control unit 71 SOUICES M ener emnt 57 12 1 4IF AE8 AES EBU digital audio 9 5 7 Checking external timecode 57 A 71 9 5 8 Checking the frame mode of striped 12 1 5IF 88SD SDIF 2 digital audio timecode sese 58 Converter ol ilaria 71 9 6 Chasing to timecode 58 12 1 6IF TAD ADAT digital audio 9 6 1 Machine ID and timecode 58 NA 71 9 6 2 Timecode offset 58 12 1 7 TDIF 1EX extender box 71 9 6 3 Setting timecode offset 58 121 8 Cables icc li lita 71 9 6 4 Cancelling time
42. recording from the following options ERE EXT tcl TCG timecode generator and APE Ec TAPE TC If you select E HP E Lc the source of the tape timecode will be used as determined in the tape timecode selection menu 9 2 Tape time code mod e Generally speaking timecode should be recorded from an external source only when audio tracks and timecode must be transferred together from external units In all other cases we suggest that you use the internal generator or the tape as sources for record ing timecode 9 Operations related to timecode If you are recording timecode only we suggest that you do not use external sources for recording time code Set the source to TAPE TC as described immediately above and use ABS see 9 2 2 ABS setting as the tape timecode source This will ensure an accurate match between the timecode and the ABS timing ref erence the fact that the generator must be started manually means that there will not be a tight relation between timecode and the ABS timing This will also allow you to synchronize multiple DTRS units accurately to external timecode even though the slave units are not timecode based 9 5 2 Recording timecode using the generator 1 Insert a formatted tape into the DA 78HR It is possible to format and stripe a new tape simultaneously by setting up the formatting procedure as described in 5 1 Formatting a tape and then following the instructions below
43. recording is due to start and leave it switched on Turn the DA 78HR off and then on again before starting recording 1 5 Recommended tapes The DA 78HR is designed for use with Hi8 video cassettes You cannot use any other kind of tape with the DA 78HR Always use new tapes or tapes in the best possible condition in orderto achieve the best possible results when recording Tapes which have been over used will not give such good results as new tapes TASCAM DA 78HR 9 1 Introduction to the DA 78HR There are two basic types of Hi8 tape MP and ME Each has its own particular characteristics and mer its MP tapes are manufactured using a daubed mag netic particle deposit process and exhibit a level of performance which is more than acceptable They have a durability which allows them to be used as work tapes in studio and post production environments ME tapes have their magnetic layer produced through a metal evaporation process Generally speaking though these tapes have a high perfor mance level they are not as robust as MP tapes see above and should be used for live recording and archival purposes rather than as work tapes TASCAM does notendorse any specific tape or tape manufacturer TASCAM has licensed the use of the DTRS logo la to tape manufacturers provided their tape meets the specifications required by DTRS tape recorders The table below lists several such tapes certified for use with DTRS tape rec
44. slave unit press the CHASE key so that the CHASE indicator goes off 48 TASCAM DA 78HR When chasing it may take some time before chase lock is achieved A slave unit cannot start recording until it has achieved chase lock status 8 3 Machine offset It is sometimes necessary to offset a slave unitin the chain relative to the master unit This offset can be setto sample accuracy to a maximum value of two hours This offset is unrelated to timecode offset and refers only to the machine offset when synchronized to other DTRS units 8 3 1 Setting machine offset 1 Press the SHIFT key so that the unit enters shift mode flashing SHIFT indicator 2 Press the AUTO IN OUT OFFSET key 3 The display will show fh 5 of 5t ABS OFST and the current offset if any has been set 4 Usethe A and V keys to set the offset for the slave unit and the SHIFTed A and W keys to move the cursor to the different fields The OFFSET key can also be used as a right cursor key See 4 3 5 Left and right keys for details of setting values in a time field 5 Youcanalso change the sign of the offset value between by moving the cursor to the sign When a non zero offset is set the front panel OFFSET indicator will light If you change an offset value timecode or ABS any punch points location memories etc will be invali dated For example if you change the offset to 00 30 00 00 80 minutes from 00 00 00 00 no
45. synchronize once and run freely ignoring the incoming timecode 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows Ec cH5 TC CHS 2 Press the SUB MENU key so that the display briefly shows Ec H5 nd RECHS MD and then changes to the current setting 3 Usethe A and V keys to choose between rEc HASE RECHASE and Fr EE FREE While the DA 78HR is re syncing speeding up and slowing down playback output will be muted unless the clock is set to INT Usually you should find that the DA 78HR does not need to rechase however and you can leave it in free running mode If the timecode master tape includes a break in the time code though you may want the DA 78HR to rechase the master As well as selecting rechase you can also select the length of the rechase window This means that if the difference between internal and incoming time code is greater than the value of this window 1 or 2 seconds in the case of the DA 78HR the synchro nizer will start to rechase 1 Press the SHIFT key sothat the SHIFT indicator is flashing then press the MENU key until the display shows E c cH5 TC CHS 2 Press the SUB MENU key so that the display briefly shows r c H5 Hd RECHS WD and then changes to the current setting 3 Use the A and W keys to change between 1 and 2 seconds 9 6 10 Bypassing timecode errors As timecode is received from a remote
46. tape which has been used for recording video Always use either new tapes or tapes which have been used ina DTRS recorder The EJECT key ejects any loadedcassette A cassette can only be ejected when the transport is stopped FORMATIFs key The FORMAT Fs key controls the formatting of tapes and allows selection of the sampling frequency used for recording see 5 1 Formatting a tape for full details The current sampling frequency is shown on the status indicators O HR MODE key This key allows the selection of the recording resolu tion 16 bit or high resolution 24 bit See 5 1 For matting a tape for details The appropriate indicator will light if the HR mode is selected O CLOCK key This is used to select the word sync source for the DA 78HR either internal WORD or DIGITAL IN as shown on the indicator O Q Status indicators The status indicators show the current status of vari ous DA 78HR functions The legends of these indi cators are abbreviated for reasons of space Here is a list of their full meanings together with the pages on which the functions are more fully described Legend Meaning Section HR Hgh resolution 24 bit mode 5 1 Fs 44 1K Either of these wil light to show 5 1 Fs 48k the current sampling frequency ABS Tape subcode ABS is being 91 used as the timing reference 13 TASCAM DA 78HR Legend OFFSET Meaning Section Machine or timecode offset is in 8 3 1 an
47. the emulation If ihe controller does not support the DA 98 select dfi BB as the emulation 7 14Saving settings to tape This function allows you to store your settings conve niently on the tape that you have used to make your recordings This means that you can work at home on your project using your own DA 78HR take the tape 45 TASCAM DA 78HR toanother facility using the DA 78HR and setup the other machine in exactly the same way asthe original at home Of course there are many other uses for this facility The settings stored on the tape do not affect the recorded audio data To save the current settings to tape 1 Make sure that there is a formatted tape in the recorder before you start to save the settings to tape The tape must be stopped before you start the save operation 2 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows 54 5E En SYSTEM 3 Press the SUB MENU key until the display shows SALE of F SAVE OFF 4 Press the A key to make the DA 78HR ready for saving the settings The display will show r E Hd READY 5 Press the A key again to actually start the save operation The DA 78HR will automatically search to the position on the tape where the data will be saved will write the data and then rewind and check that the data has been correctly written While the data is being written and checked the display shows 5Au mb SAVING
48. the end 8 2 2 Setting machine ID 1 PresstheSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the counter shows 5451 En SYSTEM 2 Press theSUB MENU key until the display shows id SEL 2 D SEL xx where xx is the current machine ID setting 3 Usethe A and V keys to change the value between 1 and 15 Ifyou try to setthe machine ID to anything other than 1 when no sync cable is connected an error mes sage will be shown 8 2 3 Master slave settings CHASE mode Each unit with an ID greater than 1 is regarded as a slave unit 1 For each slave unit in the chain press the SHIFT key so that the SHIFT indicator is flash ing and press the MENU key until the counter shows 545 En SYSTEM 2 Press theSUB MENU key until the display briefly shows E nad TIME MODE and then changes to show the current time mode which is either ABS absolute or T C tim e code 3 Ifany slave unit shows TC use the A and V keys to change this to ABS 4 On each slaveunit press the CHASE key The CHASE indicator will start flashing 5 Press any of the transport controls on the mas ter unit machine ID 1 The slave unit s will synchronize and follow the transport com mands of the master When a slave unit is locked to the master unit its CHASE indicator will light steadily While chasing the transport keys of the slave unit are disabled 6 To turn off chase mode on a
49. 4 dBu level This allows convenient and reliable single cable connection to the GROUP outputs of a suitably equipped console such as the TASCAM M 1600 series ANALOG OUTPUTS unbalanced These eight RCA connectors output unbalanced ana log audio signals at a 10 dBV level ANALOG OUTPUTS BALANCED This connector carries 8 balanced outputs at a nomi nal 4 dBu level This allows convenient and reliable single cable connection to the tape return inputs of a suitably equipped console such as the TASCAM M 1600 series O IN Use the provided AC power cord to connect the DA 78HR to the AC power supply through this connector TASCAM DA 78HR 16 This section explains how to connectother equip ment to the DA 78HR It is not intended as a com plete reference to the use of the DA 78HR See the appropriate sections for full details of how these con nectors are used When making connections between the DA 78HR and other equipment whether audio or control both the DA 78HR and the other equipment must be turned off other wise damage may be caused to the DA 78HR andor the other equipment Only use TASCAM supplied and TASCAM approved cables when making connections to the DA 78HR Though the cables and connectors may resemble computer cables they serve different purposes and meet a different set of specifications The use of cables other than TASCAM cables will at best cause the equipment to work erratically and at worst c
50. 50 milliseconds Ata typical sound propagation rate the maximum value corresponds to about 50 meters about 160 feet of distance 7 4 Sub mixer One important feature of the DA 78HR is the ability to mix input sources and off tape signals intoa stereo signal which is routed to tracks 7 and 8 and can be output at the rear panel SPDIF COAXIAL output as well as through channels 7 and 8 of the TDIF 1 digi tal and analog outputs As well as the track delay available on the DA 78HR for the tape tracks this internal mixer also features level and pan controls so that a simple mix can be obtained This mixed signal is output only when the MIXDOWN indicator is lit Pressing the unshifted MIXDOWN key will toggle the indicator between on and off A temporary patch can also be set up for this sub mix overriding the current input patch settings while the mixdown mode is active WhenMIXDOWN is on the signals from channels 1 through 6 analog and digital are not output 7 4 1 Entering mixdown mode 1 Make sure the SHIFT indicator is off 2 Press the MIXDOWN key The MIXDOWN indi cator will light Pressing the MIXDOWN key again with shift mode off will exit mixdown mode 7 4 2 Setting the master level This is the master level of all signals output through channels 7 and 8 7 Advanced operations 1 With mixdown mode enabled press the SHIFT key so that the indicator is flashing 2 Press the MIXDOWN LEVEL PAN
51. 72 inputs and outputs 72 installing the DA 78HR 9 interrupting a rehearsal or punch recording 34 L Left and right keys 22 line up oscillator 45 LOC 1 MEMO 1 key 15 LOC 2 MEMO 2 key 15 location 7 MEMO 1 and MEMO 2 38 location and playback 38 location points 38 auto play 38 auto repeat 39 editing 36 locating 38 setting pre roll time 38 LTC output 55 machine ID 47 58 master slave settings 47 setting 48 timecode 58 Index G O machine offset 48 65 maintenance menu 26 manually entering location points 38 master slave settings 47 48 master slave settings CHA SE mode 48 ME tapes 10 menu interface 20 menu mode exiting 2 menus 7 21 sub menus 2 meter ballistics 42 meter modes 42 meters 42 MIDI 7 connectors 15 18 72 control 62 Control Change 65 functions 18 ID 62 implementation chart 67 machine control 8 63 menu 25 MIDI timecode 18 MIDI timecode connections 18 MMC 62 settings 25 System Exclusive 65 timecode 18 MIXDO WN LEVEL PAN key and indicator 5 mixdown mode 40 MMC bitmap array 63 commands 62 enable and disable 62 monitoring 7 36 monitor mode summary 37 shuttle 36 MP tapes 10 MTC 18 MTC output 54 multiple DTRS units 8 N nthesizing 56 O offset DTRS synchronization 48 setting 49 timecode 58 options 7 PW 88S cable 47 RC 808 remote control unit 7 RC 828 remote control unit 7 RC 898 remote control unit 7 TDIF 1EX extender box 7 TASCAM DA 78HR 75 Ind
52. 82 Meter ballistics 42 7 9 Sine oscillator 43 7 9 1 Recording the oscillator 43 7 10 REC MUTE recording silence 43 7 11 AAA 43 7 11 1 Selecting dither settings 44 7 12 Advanced output options 44 7 12 1 Output word length 44 7 12 2 Output patchbay 44 7 13 Emulation 5 1 rues 45 7 14 Saving settings to tape 45 7 15 Restoring settings from tape 45 8 Synchronization with other DTRS units 8 1 Synchronization connections 47 8 2 Machine ID and master slave o A iaia 47 8 2 1 Differences between DTRS models 47 8 22 Setting machine ID 48 8 2 3 Master slave settings CHASE mode 2 ii atri 48 8 3 Machine offset 48 8 3 1 Setting machine offset 48 8 32 Cancelling machine offset 48 8 3 3 Setting machine offset on the fly 49 8 3 4 An example of setting offsets 49 8 4 Digital dubbing 50 8 5 Synchronized formatting 50 TASCAM DA 78HR 5 Table of Contents 8 5 1 Recording while formattin g 51 10 1 1 Assigning a MIDI ID to the 8 6 Individual clock mode 51 AA A 62 8 7 Error messageS
53. A 78HR from an external source analog or digital As mentioned earlier you should only need to record timecode froman external source when the audio and timecode tracks have to be transferred together keep ing a strictrelationship between the audio and time code tracks In all other cases we suggest using either the DA 78HR s internal generator or timecode from tape If you use these as sources there will be no jitter prob lems and any problems of synchronization with the digital audio clock are eliminated When recording timecode from an external digital source make sure the digital clock of the DA 78HR and that of the external source are synchronized A warning message will appear if the timecode source and the DA 78HR are not synchronized but time code can still be recorded However the resulting timecode recording will probably cause synchroniza tion problems in the future When recording timecode from another DT RS unit synchronize the two units using ABS chase setting the timecode audio source unit to be a slave unit After the two units have been synchronized in this way timecode and audio can be transferred together When recording timecode from a digital source audio or video make sure that the DA 78HR and the other unit are locked to a common word audio recorder clock reference After the two machines have been synchronized in this way timecode and audio can be transferred together If your analo
54. CA digital audio connectors on the rear panel allow connection of an SPDIF equipped device e g a DAT recorder This digital unit should be used as a clock source if data is to be read from it When synchronizing to the signal received at the COAXIAL DIGITAL IN set the CLOCK key so that the DIGITAL IN indicator lights 3 2 Synchronization connections The DA 78HR has facilities for control and synchro nization with other units For full details of how to operate the DA 78HR with other units see 8 Syn chronization with other DTRS units and 9 Opera tions related to timecode 3 2 1 Word clock connections This set of BNC connectors is used to synchronize the DA 78HR to other digital audio devices The CLOCK key is used to change between clock sources and should be setto WORD when synchro nizing to an external word clock the WORD indica tor will light The IN jack should be connected to the WORD SYNC OUT of the digital audio device from which the DA 78HR is to receive the synchronization clock The OUT outputs word clock information provided from the DA 78HR while the THRU to echoes the signals received at IN Note that if the DA 78HR is connected to other DTRS units the WORD SYNC jacks do not need to be connected between the DTRS units 3 2 2 MIDI connectors IN OUT and THRU These standard 5 pin DIN MIDI connectors are used to carry MIDI Time Code MTC and MIDI Machine Control MMC informati
55. E CLOC appears when the sync cable is not connected the master has been turned off or the master s sampling frequency is different from that of the slave unit s Recheck these parameters If either of these messages appears correct the fault to return to normal operation TASCAM DA 78HR 51 9 Operations related to timecode The DA 78HR contains synchronization facilities including a SMPTE EBU timecode generator which allow it to act either as a timecode master or a time code slave when connected in a ti mecode chain If timecode is recorded on tape a special discrete subcode track is used which leaves all eight tracks free for recording and playback of audio material Note that this subcode is available both as analog SMPTE EBU timecode and also as MTC The DA 78HR is able to synchronize with extemal timecode devices even if the DA 78HR tape has not been stri ped by converting its internal servo subcode ABS to timecode on the fly A full range of options is provided for full compati bility with the widest possible range of other equip ment 9 1 ABS and timecode In some parts of this manual we will use the phrases ABS and TC Here we explain these two differ ent timing reference methods and the differences between them 9 1 1 ABS time ABS stands for Absolute and is the absolute time of the tape as recorded on the subcode of the tape This timing starts atthe beginning of the tap
56. E TC followed by the current setting 3 Usethe A and V keys to change the value of this parameter betweentc Er TC TRK and conu AbS CONV ABS TC TRK means that timecode recorded on the tape will be used as the source for the timecode CONV ABS means that the ABS time subcode will be converted to timecode and output as timecode 9 2 1 TAPE TC setting You should only use this setting if you have already striped the dedicated timecode track with timecode either from an external source or from the DA 78HR s own internal generator If you have selected TC TRK from the menu above any timecode recorded on the tape will be used as the tape timecode source 9 2 2 ABS setting If you have selected CONV ABS in the menu above the ABS subcode time from the tape will be used as the timecode with the start of the tape having a time code value of 00 00 00 00 as with the ABS code itself The timecode frame rate used will be the frame rate as selected in 9 3 Selecting the frame mode If you are using ABS timings as timecode the hours minutes and seconds of the ABS time will correspond to the converted timecode unless the frame rate is set to 29 97 non drop or 30 drop In these cases the difference between ABS values and timecode values will be about 2 seconds per hour 9 3 Selecting the frame mode The DA 78HR can use the following standards for timecode including timecode synthesized by the ABS to TC facilit
57. EC FUNCTION key whose number corresponds to the channel you want to set The REC FUNCTION indicator at the bottom of the meter will start to flash showing that this is the active channel being edited TASCAM DA 78HR 40 7 Advanced operations The display will show the level and pan posi tion of the channel For example L 72 P c would indicate a level of 102 and a center pan position 3 Usethe A and Y keys and or the knob to change the level of the active channel 4 Tochange the level of another channel press that channel s REC FUNCTION key The meters may be used to show the value of the channd levels the default is for this func tion to beon and it may be toggled with the SHIFT REC FUNCTION combination 5 Press theLEVEL PAN key or the REC FUNCTION key of the currently active channel to change the cursor flashing period to the pan setting Pan values range from L P L hard left through 1 52 6 amp 2 immediately to the right of the hard left setting c P C center and 5c PR62 c almost hard right tof P R hard right The meters are also be used to show the pan settings Press SHIFT and one of the REC FUNCTION keys as described in 4 1 1 Peak meters to toggle this meter mode off andon The default at power on is for this mode tobe on 6 Usethe A and V keys and or the knob to adjust the pan settings of the active channel dE Gg som Lon 0 MIDI DO DD
58. L key 3 The display will show OOGO Lc PR 0000 LC 4 Usethe A and V keys to set the location pre roll time in minutes and seconds up to 59 min utes 59 seconds The SHIFTed A and W keys can also be used to move the cursor between the minutes and seconds fields When a location memory is used the tape will now locate to the location point minus the value you have just entered For instance if the location point is at 00 12 04 03 and you have set a location pre roll time of 5 seconds the tape will locate to 00 11 59 03 This pre roll time is different tothe pre roll time used for punch operations as described in 5 6 4 Editing the pre roll and post roll times 7 1 4 Moving to MEMO 1 and MEMO 2 When you have set the location memories as described above you simpl y need to press the LOC 1 or LOC 2 keys to move the tape to these location points The tape will locate to the location memory minus the location pre roll time as described above 7 1 5 Location and playback If you press the PLAY key while the tape is locating the PLAY key will flash the tape will start playing when it reaches the location point 7 Advanced operations If you press PLAY twice while the tape is locating the PLAY key will light steadily the tape will stop and playback will start immediately If you are using the DA 78HR with a remote control unit and you have have pressed the AUTO PLAY key on the remote co
59. PW 88S cable 47 with other DA units 47 with other DTRS units 47 synthesizing timecode from ABS timing 56 SYSTEM menu 23 T tape brands 0 tape errors 68 tape head cleaning 68 tape length 77 Tape recorder section 72 tape timecode 52 tape types 9 DTRS 10 MP and ME 10 tapes ME 10 MP 10 playback and recording times TC chase menu 25 TC generator menu 25 TC menu 24 TC time 52 TC timing 52 TDIF 1 DIGITAL I O 16 test tone 43 Index T W timecode 7 52 ABS times 52 absolute and relative difference 60 bypassing errors 60 chasing 58 connections 6 16 external 54 57 external sources 57 fast LTC 55 frame mode 53 frame rate 55 from digital source 57 from tape 55 generator 55 input 54 input timing 54 LTC output 55 machine ID 58 MTC 18 offset 58 59 output 54 output during fast operations 55 output timing 55 park position 59 park position when chasing 59 rechasing 60 recording from external sources 57 selecting the source 55 synthesizing from ABS timing 53 56 TC time 52 Timecode connectors 72 timecode output 54 timecode time see TC time track bouncing 30 track controls 5 track copy enable 66 setup 66 track delay 39 65 transport keys and controls 13 U unbalanced analog audio connections 7 V varispeed 7 41 W word clock connections 8 word length 37 word sync 6 Word sync terminals 72 write protecting cassettes 28 TASCAM DA 78HR 77 TASCAM TEAC Professional Division DA
60. REPEAT MENU key and indicator 5 repeat function 39 repeat play 39 replaying punched material 34 resetting parameters 27 restoring settings from tape 45 S sampling frequency 37 saving settings to tape 45 selecting aclock source 27 28 selecting dither settings 44 selecting input word length 3 selecting TC or ABS timing 52 selecting the frame mode 53 selecting the timecode source 55 selecting timecode or absolute timing 52 setting a non standard speed 47 setting default parameter values 27 setting location points 38 setting machine ID 48 setting machine offset 48 setting machine offset on the fly 49 setting MEMO 1 and MEMO 2 on the fly 38 setting punch points on the fly 32 setting punch points using the front panel 33 setting punch points using the menus 33 setting the location pre roll time 38 setting timecode offset on the fly 59 settings restoring from tape 45 saving to tape 45 SHIFT key and indicator 14 shift mode 20 shifted keys 20 shuttle 42 shuttle monitoring 36 42 shuttle muting 36 42 shuttle operations 42 SHUTTLE DATA knob 22 sine oscillator 43 software upgrades 70 software version 69 software version numbers 69 SPDIF connectors 8 input output 16 Specifications 72 STOP key 14 sub frame values 22 sub menus 2 sub mixer 40 input sources 4 master level 40 setting levels and pan positions 40 summary of monitor modes 37 synchronization connections 18 47 formatting 50
61. S 2 Press the SUB MENU key so that the display shows PH r E Po5 PARK POS briefly and then changes to Pr LU PRK followed by the current setting shown in seconds and frames 3 Usethe A and V keys to adjust the value maximum is 1 second and 29 frames 9 6 7 Automatic park position setting When the DA 78HR is acting as a timecode slave it can automatically determine the optimum park pre roll position to sync with the master 1 Turnthe DA 78HR s CHASE on if it is off and make sure that the time mode is set to TC 2 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows E c cH5 TC CHS 3 Press the SUB MENU key so that the display shows PE Pa E5E PK POS TST briefly and then changes to o FF OFF 4 Play and stop the master tape 5 Usethe A or V key to turn the park test on The DA 78HR will then rewind so that the rel ative difference is zero When the DA 78HR has stopped go on to the next step below 6 Play the timecode master When the value shown on the display has stopped changing and is stabilized go on to the next step below 7 Usethe A or V key to turn the park test off The display shows don E DONB and the optimum park pre roll time for the timecode master is now stored 9 6 8 Absolute and relative difference The offset as set above Timecode offset on page 58 can be called the absolute difference between the two tim
62. TASCAM TEAC Professional Division DA 8HR Digital Multitrack Recorder TWAS DA 78HR cess DEB 24 BIT HIGH RESOLUTION DTRS 1 Ir 5 8838880 o J 0 Soesosocsocooo UNETE E 158x820 3 Jo 0 Sosonocsoccoos ERRARTE 3 L Je 0 99 99 2922 a 0 sonnn GRON SEC N Ls D Seco te 4 8 a O o 3 828 ee eo ane Le 0 Sooococosoos seh ape Ls O SS leeds ROSE C J e 99992929 FETERE 2 OWNER S MANUAL CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT A RISK OF ELECTRIC SHOCK A REMOVE COVER OR BACK NO USER SERVICEABLE PARTS DO NOT OPEN INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the pres ence of important operating and maintenance servicing instructions in the literature accompanying the appliance located an he rea pane Pease record WARNING TO PREVENT FIRE OR SHOCK Brad NEUE HAZARD DO NOT EXPOSE THIS Lui APPLIANCE TO RAIN OR MOISTURE Important Safety Precautio
63. Tape loading slot and EJECT key 13 FORMAT FS key eren 13 HR MODE key eene 13 Q CLOCK key 13 O Status indicators 13 Tape counter sess 13 PB CONDITION indicator 13 2 2 Tape transport keys and controls 13 REW key ccoo ltd 13 D F FWD key cesses 13 D STOP key scenari 14 D PLAY key ioci ceto 14 B RECORD key 14 D DATA LEVEL control 14 2 3 Sy stem control keys 14 B SHIFT key and indicator 14 D RHSL DELAY key and indicator 14 AUTO IN OUT OFFSET key and INdicatof j iio es 14 D CLEAR PRE ROLL key 14 D VARI SPEED PITCH key and indicatori ek cio eect ee eA ieee 14 ALL INPUT V key and indicator 14 AUTO MON A key and indicator 14 REPEAT MENU key and indicator 15 CHASE SUB MENU key and indicatore iaia 15 LOC 1 MEMO 1 key 15 LOC 2 MEMO 2 key 15 MIXDOWN LEVEL PAN key and indicatori siii ie iria 15 2 4 Track controls 15 REC FUNCTION keys and indicators 15 Peak meters ceeeeeeenn 15 4 TASCAM DA 78HR 2 5 Rear panel features
64. absolute 9 2 Tape time code mode Tape timecode source 5558 SYS E4E 93 Selectingthe EXTERNAL frame mode EAPE TAPE 9 4 1 Showing 290f Jind input timecode Ind 25 04 9 5 8 Checking 3UdF the frame mode of striped timecode System frame mode and external tape frame rate display d SP ERPE off tape TC display E t external d FF difference 94 1 Showing input timecode Timecode display source inte Enab AnALoG input TC timing d ib ERAL 94 2 Timecode input timing Incoming timecode reference out Ec tnb HnfiLab na output TC timing log d 15 EAL digital 9 4 6 Timecode output timing Outgoing timecode reference out te ore output TC EAPE Ec from tape ELEn output source regenerated rE SHAPE 9 4 3 Timecode reshaped Source of outgoing timecode FASE LtEc 5 Fra 5 94 5 Fast linear fast LTC frames LEAP timecode LTC leap oF F output Fast LTC output mode TASCAM DA 78HR 24 4 Menu interface etc 4 8 TC chase menu Lo HL lc ec ono The following parameters are Ec rEc En 9 5 2 Recordng used to control the DA 78HR operations when chas oe timecode using the ing to an incoming timecode signal esu generator T Sert E me Time value in 9 5 2 Recording TC generator hh mmss ff timecode using the 9 6 11 Individual 00 00 00 00 generator recording while
65. and timecode If you change an offset value timecode or ABS any punch points location memories etc will be invali dated For example if you change the offset to 00 30 00 00 30 minutes from 00 00 00 00 no off set a punch point which was previously at 00 33 00 00 33 minutes into the tape will still have the same value 00 33 00 00 but will now be only 3 minutes into the tape 9 6 3 Setting timecode offset 1 Press the SHIFT key so that the SHIFT indicator is flashing shift mode 2 Press the AUTO IN OUT OFFSET key 3 The display will show c af St TC OFST followed by the current offset if any has been set TASCAM DA 78HR 58 9 Operations related to timecode 4 Usethe A and W keys to set the offset for the slave DA 78HR and the SHIFTed A and Y keys to move the cursor to the different fields You can also use the OFFSET key as a right cursor key The front panel OFFSET indicator will light when an offset value has been set See 4 3 5 Left and right keys for details of setting values in a time field You can set the offset to sub frame percentage or sample accuracy 5 You can also change the sign of the offset value to a minus value by moving the cursor to the appropriate position and using the A and Y keys 9 6 4 Cancelling timecode offset To cancel the offset simply set the offset value to MO nmm nn nm UL LI LI LILI LILI 1 Enter theoffset setting as described
66. ards 22 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 23 Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer 24 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat TASCAM DA 78HR 3 Table of Contents 1 Introduction to the DA 78HR 1 1 Unpacking 7 1 2 Features aan 7 1 3 Using this manual 7 1 4 Precautions and recommendations 8 1 4 1 Clock source in a digital studio 8 1 4 2 HR recording and emphasis 8 1 4 3 Environmental conditions 8 1 4 4 Installing the DA 78HR 9 1 4 5 Electrical considerations 9 1 4 6 Three core power cord 9 1 4 7 Powering the DA 78HR off and on 9 1 4 8 Condensation 9 1 5 Recommended tapes 9 1 5 1 Tape brands 10 1 5 2 Available recording and playback time necem iaia 11 2 Front and rear panel features 2 1 General controls and indicators 13 O Power switch 13 O
67. aster the timecode it outputs should be off tape However when the DA 78HR is in the middle of a timecode chain you will probably want to retransmit the incoming timecode the OUT functions as a THRU This section explains how to perform these operations 1 Press the SHIFT key sothat the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display shows nut Ec Src OUT TC SRC briefly and then changes to the current setting 3 Use the A and Wkeysto choose between HP E Ec TAPE TC which includes off tape and synthesized timecode 7 E GE n REGEN which is regenerated timecode and r SHAPE RESHAPE which is filtered and re transmit ted by the DA 78HR 9 4 4 MTC output It is possible to select whether or not the DA 78HR outputs MIDI timecode and under what circum stances The following functions are available MTC output e MTC output in fast modes allows sequencers etc to keep track MTC output when stopped The last two of these are dependent on the first i e if MTC is set to be off it cannot be output in fast or stop modes All of these are accessed from the MIDI menu 1 Press the SHIFT key sothat the SHIFT indicator is flashing then press the MENU key until the display shows n d MIDI TASCAM DA 78HR 54 9 Operations related to timecode To set the MTC output on or off 2 Press theSUB MENU key un
68. at IDs are assigned in a consecutive sequential order from the head of the chain 8 2 1 Differences between DTRS models The DA 78HR DA 98 and DA 38 use machine IDs that are set by software the machine must be tumed on for the ID to be set The values for the IDs of these models start at 1 and go up to 16 The switch on the back of the DA 88 is only opera tive when the unit is turned off It is marked from 0 through E When including DA 88s and DA 78HRs in the same chain add 1 to the number shown on the DA 88 s rear panel machine ID switch to make the DA 88 s machine ID match the series of the DA 78HR and DA 98 and DA 38 IDs Any DA 88 whose Machine ID is not 1 the switch has been set to a value other than 0 will show its Slave ID briefly at power on Therefore for a chain of three units a DA 78HR as master with a DA 98 and DA 88 as slaves the machines IDs should be set as follows Rotary switch on rear panel It therefore makes sense to set the machine IDs of all DA 88s in the chain first immediately after connec tions have been made with the power off and then turn on power to all units before setting the machine IDs of all DA 78HRs DA 98s and DA 38s in the chain When you set the machine IDs you can set the ID of any machine first but we recommend doing this in a TASCAM DA 78HR 47 8 Synchronization with other DTRS units standard sequence working from the head ofthe chain to
69. ause damage to the equipment If the use of cables other than TASCAM cables causes or results in damage the warranty is voided 3 1 Audio connections Other audio equipment can be connected to the DA 78HR either using analog or digital interfaces Selection for the input source analog or digital on a global or individual track basis is made from the menus See 53 Input selection for details 3 1 1 Balanced analog audio connections All balanced analog input and output audio connec tions to the DA 78HR are made through 25 pin D sub connectors All these audio inputs and outputs are balanced and are rated at a nominal 4dBu level This allows convenient and tidy cabling between the DA 78HR and other units such as the TASCAM M 1600 series of mixing consoles It is not recommended that you make up your own cables consult your TASCAM dealer for availabil ity of suitable ready made cables and see 12 1 8 Cables However we recognize that every situa tion has its own unique features and there are occa sions when a special cable must be made Before starting to make the cable we suggest you contact your TASCAM dealer for full details of cable specifications etc 3 Connections The pinouts for both the ANALOG OUTPUT and INPUT connectors are as follows where G ground H hot and C cold The impedance of the inputs is 20kQ and that of the outputs is 100 3 1 2 Unbalanced analog audio
70. ay sh E StoP NOT Press the A key again to actually start the Sn OP the display showsnoc sacar restore operation If no data can be located on the tape the display will The DA 78HR will automatically search to the showna dAEA NO DATA position on the tape where the data has been saved and will read the data loading it into If an error is encountered while the reading is taking memory While the data is being read from place the display will show r Ed Err READ tape the display shows r Hd ink ERR READING TASCAM DA 78HR 46 8 Synchronization with other DTRS units This section describes the techniques and methods to be followed when the DA 78HR is linked to other DTRS units e g TASCAM DA 98 DA 38 DA 88 and of course other DA 78HR units Up to 16 DTRS units can be linked for a total of 128 digital tracks If you are connecting DTRS units of different types to the DA 78HR use the DA 78HR or a DA 98 as the master unit and the other units as slave units 8 1 Synchronization connections The cable to be used when connecting the DA 78HR to other DTRS units for synchronization purposes should be a PW 88S cable This is 1 meter 3 ft long If you require a longer cable please consult your TASCAM dealer Be sure to use only the optional PW 88S sync cables The use of any other cables could damage the DA 78HR Be sure to connect the termination plug to the last slave s SYNC OUT connector or else incorrect
71. ce from F through AH analog 1 through 8 d through dA digital 1 through 8 and through track 1 through 8 30 TASCAM DA 78HR 5 To select another destination track press that track s REC FUNCTION key and repeat the process If your setting results in all tracks being fed on a one to one basis from the same input source analog or digital the display will change to show this a few seconds after the patchbay operation that caused this to be the case The meters can be used to see the patchbay assignment using the meters as shown here Each meter gives the status of its corre spondingly numbered track Press SHIFT and one of the REC FUNCTION keys as described in 4 1 1 Peak meters to toggle this meter mode off and on The default at power on is for this mode to be on pL ll I L I I I 1 Because of the limitations of the number of meter segments avail able each segment is used to rep resent two input possibilities The top third is used to show track sources the middle third is used for digi tal and the lower third for analog sources With a digital recorder such as the DA 78HR track crosstalk is almost negligible better than 90dB at 1 KHz For this reason you do not have to worry so much about the constraints of choosing physical track locations as you do with analog recordings O 5 3 3 Track bouncing If you need to copy a track to another track at any time in the r
72. ch will continue the tape movement but stop recording 5 2 5 Recording the basic tracks ii This is an alternative method of recording basic tracks on a blank formatted tape 1 Amm the tracks and adjust the levels as described in 1 and 2 above 5 2 4 Record ing the first tracks i The REC FUNCTION indicators of all armed tracks will flash 2 Press the PLAY key The tape will start moving When you reach the point at which you want to start recording press the RECORD key The REC FUNCTION indicators of all armed tracks will light steadily The point at which recording starts is automat ically stored into memory for punch in purposes 5 Basic operations 4 Stop recording as described above 5 2 6 Replaying the first tracks When you have positioned the tape atthe beginning of the recording you have just made or atthe pre roll point you can start playing back the tape 1 Turnoff the RECORD FUNCTION switch of the track you have just recorded not compulsory but recommended as this will prevent you from accidentally hitting the RECORD key and going into record mode overwriting what you have already recorded 2 Rewind the tape to the point that you started recording and press PLAY 5 3 Input selection This section describes how to choose all analog or all digital input sources when recording with the DA 78HR For other routing procedures see below 5 3 2 Input patchbay routing
73. chro nized with the DA 78HR a warning will be shown on the display screen In this case althou gh you can record timecode it is not rec ommended as this will prob ably cause prob lems later on 5 Stop the external timecode source and rewind or reset it to a point prior to where you want recording to begin The tape counter will now start to flash 6 Restart the source The tape counter will display received ti me code 7 Press and hold down PLAY and press RECORD Timecode will now be recorded from the exter nal source onto the timecode track If the tape counter was flashing when the time code track was armed the tape counter will now show all hyphens and nothing will be recorded 9 5 7 Checking external timecode You can check received timecode by using the time code display function as described in 9 4 1 Show ing input timecode 9 Operations related to timecode 9 5 8 Checking the frame mode of striped timecode To view the frame mode of a tape which has been striped with timecode follow the steps below 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display briefly shows r nod FRM MODE fol lowed by the system frame mode as described in 9 3 Selecting the frame mode 3 Press and hold the SHIFT key and pros the A key twice so that the display shows AFE i TAPE xxx
74. code offset 59 12 2 Specifications 72 9 6 5 Setting timecode offset on the fly 59 12 2 1 Tape recorder section 72 9 6 6 Park position 59 12 2 2 Analog inputs and outputs 72 9 6 7 Automatic park position setting 59 12 2 3 Digital inputs and outputs 72 9 6 8 Absolute and relative difference 60 12 2 4 Remote sync connectors 72 9 6 9 Rechasing timecode 60 122 5 Word sync terminals 72 9 6 10 Bypassing timecode errors 60 12 2 6 Timecode connectors 72 9 6 11 Individual recording while chasing 12 2 7 MIDI connectors 72 timecode A icti epe ch ese ceca emere avance 60 12 2 8 Remote control connectors 72 12 2 9 Physical specifications 73 10 MIDI control 12 2 10 Power specifications 73 10 1 MMC enable and disable 62 122 11 Audio specifications 73 6 TASCAM DA 78HR The TASCAM DA 78HR is a digital audio multi track recorder designed for use in a variety of appli cations including video post production and audio multitrack work It records 8 tracks of full quality digital audio on standard Hi8 video cassettes using a specially designed transport and head mechanism Using this medium up to 108
75. d operation 9 6 2 When both of these are lit the DA 78HR is using internal word CLOCK WORD sync and when neither is lit word sync is being received throughthe REMOTE IN SYNC IN conrector If oneis lit the word sync is being received through the appropri ate connector digital audio COAXIAL or word sync Lights when the DA 78HR is reading timecode from the tape 3 2 CLOCK DIGITAL IN TAPE TC Tape counter The tape counter gives the current tape time in hours minutes seconds and frames It is also used to display menus sub menus and the values of the parameters of the unit as well as pro viding information on the current status of the unit Q PB CONDITION indicator There is one more indicator PB CONDITION which lights if there are many errors when reading or recording the tape It also flashes when the block error rate is being checked 11 1 2 Checking error rates If this lights frequently the block error rate can be checked and the heads cleaned 11 1 Head and transport cleaning 2 2 Tape transport keys and controls REW key Rewinds the tape at high speed If this key is pressed during recording recording will stop and the tape will rewind FFWD key Winds the tape forward at high speed If this key is pressed during recording recording will stop and the tape will wind forward When either REW or F FWD is pressed for the first time after powering up or loading a tape th
76. d alternating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 13 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSUNFPA 70 provides information with regard to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit con nection to grounding electrodes and requirements for the grounding elec trode Note to CATV system installer This reminder is provided to call the CATV system installer s attention to Section 820 40 of the NEC which provides guidelines for proper grounding and in particular s
77. d by the current system setting for this parameter e g 545 29d F SYS 29DF 3 Use the A and V keys to select the frame mode for your project 9 4 Timecode input and output Remember in this section timecode means SPMTE EBU timecode when referring to incoming timecode Outgoing timecode will also refer to SMPTE EBU timecode unless MTC output is tumed on see 9 4 4 MTC output 9 Operations related to timecode 9 4 1 Showing input timecode There are two primary reasons for the DA 78HR to receive ti mecode when the DA 78HR is chasing to timecode and must receive the master timecode and when the DA 78HR is to record timecode from another unit but see 9 5 5 External timecode sources below To view incoming timecode follow the procedure below 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display shows d 157 i DISP xxxx where xxxx is the current setting 3 Usethe A and V keys to change between E HPE TAPE off tape setting E 5 EXT timecode received at the timecode input and d FF DIFF the difference between the received timecode and the actual position Use EXT to view the received timecode Even when the DA 78HR is in ABS mode this setting has some effect If TAPE is selected here the ABS tape time is shown If DIFF is selected here and the DA 78HR is chasing using D
78. de enables rock and roll audio posi tioning of key locations Data entry mode allows use of shuttle knob to set data values 1 3 Using this manual We suggest that you take the trouble to read this man ual through at least once before starting to use the DA 78HR In this way you will find out whereto turn when you need answers TASCAM DA 78HR 7 1 Introduction to the DA 78HR We suggest that you make a special note of the sec tion 1 4 Precautions and recommendations as these contain some informati on which is unique to the DA 78HR We also suggest that you also read as this will help you when you come to perform basic operations When referring to a control or a connector on the DA 78HR the name of the control or connector will be written in bold type and may be followed by a number as in the example below Holding down the PLAY key D and pressing the REC B key will start the recording pro cess The numbers refer to the front and rear panel illustra tions and description in this manual When referring to a word or phrase which appears on the display the word or phrase will be written as follows nEng I MEMO 1 If on screen parameters are given as partof a display example they may sometimes be shown in the fol lowing way where the represents an unknown value d SEL machine ID Recording is an art as well as a science A success ful recording is often judged primarily on the q
79. des all other track inputs The oscillator setting is not backed up with the other settings When using the oscillator you should turn down the monitor levels in the control room and studio to avoid damage to your ears and the speakers 7 9 1 Recording the oscillator As mentioned above the oscillator overrides all other track inputs regardless of whether digital or analog input has been selected Recording the oscillator test tone is therefore similar to any other recording operation 43 TASCAM DA 78HR 7 10REC MUTE recording silence There may be times when you wish to prevent any signal from reaching an armed track in other words when you record you are recording silence onto the track 1 Press the SHIFT key so that the SHIFT indicator is flashing and then press the MENU key until the display shows Hud 10 AUDIO1 2 Press the SUB MENU key until the display briefly shows r c nut E REC MUTE and then changes to show the current setting the default is all off 3 Change the settings using the A and W keys To set record muting for individual tracks use the track REC FUNCTION keys as track selec tion keys and change the settings individually for each track using the A and V keys The display will show the track number and the current mute setting e g r GFF TR 1 OFF 5 When no track is selected using the REC FUNCTION keys the display reverts to AL L ALL as it does if all tracks
80. displayed These modes are accessed as explained above 4 3 5 Left and right keys using the cursor keys To retum to the hh mm ss ff display move the cursor outside the display i e to the right of the sub frame field when the samples with increment of whole time value mode is displayed 4 3 7 Using the DATA LEVEL knob to set values In some menus and other parameter settings it is possible to use the DATA LEVEL knob to set numeri cal values 1 Press and hold down the SHIFT key and press the SHUTTLE DATA key This data setting is the default setting made at power up 2 Whenediting the value of a parameter and the SHUTTLE DATA indicator is blinking slowly TASCAM DA 78HR 22 4 Menu interface etc the current position of the knob and the cur rent parameter value do not match 3 When the SHUTTLE DATA indicator knob blinks rapidly the current position of the knob matches the current parameter value Turning the knob from this position will now allow the parameter value to be changed 4 Tum off the data entry mode using the SHIFT and SHUTTLE DATA key combination Until the match described above has been made the value of the parameter cannot be changed using the knob Display shows lic This position as the current value corresponds to Ud Indicator e flashes slowly Current position corresponds to 2 3 Pu ioo Lin e Display now shows LI This pos
81. e location pre roll time 7 6 Vari speed pitch control 7 1 Autolocation TASCAM DA 78HR 26 This section explains some of the basic operations using the DA 78HR Section 7 Advanced opera tions describes more advanced operations Most operations on a DA 78HR are similar to those ona traditional analog multitrack recorder but we suggest that you read this section and the next to learn about the features of the DA 78HR 5 1 Formatting a tape Before you use a tape in the DA 78HR you must first format it This marks internal synchronization pattems for the servo to follow on subsequent passes through the tape as well as the subcode data ABS The process also initializes the tape for recording at either 16 bit or 24 bit resolution No audio data is normally recorded during a format ting operation but see below 5 1 1 Selecting a wordclock source 1 Usethe CLOCK key to select a clock source Remember that in your digital audio setup only one digital audio device should be set to be a clock mas ter All other digital audio devices must derive their clocks from it There are four options available WORD the WORD indicator lights this is the word clock received at the WORD SYNC IN con nector You may use this setting when recording digital audio through the TDIF 1 input if the source of the audio is set to be a clock master INT internal both the WORD and DIGITAL IN CLOCK indicat
82. e with a value of 00 00 00 00 This is the ti ming refer ence used when the DA 78HR is not using timecode Timecode contains a fixed number of frames per sec ond However the ABS method of timing works in a slightly different way In three seconds of time there are 100 frames These frames are allocated as follows Second Number of Maximum frame frames value displayed 00 01 33 32 01 02 33 32 02 03 34 33 This pattern is repeated every three seconds as you will notice when you set frame values using the menu system in ABS mode When multiple DTRS units are connected together in DTRS sync mode the master unit always outputs ABS timings to the slave unit s 9 1 2 Tape timecode TC stands for timecode and is shown whenever a timecode value is used rather than the ABS value The timecode may be internal or external and can be 52 TASCAM DA 78HR received and transmitted via the MIDI connectors or timecode synthesi zed from the ABS subcode 9 2 ape timecode mode Whether the timecode is generated or synthesized we will refer to it as timecode in this manual to distinguish it from ABS timing values Timecode can be re produced independently of ABS timings and can be of any frame format supported by common timecode standards Timing information received and transmitted from and to external controllers will always be referenced to timecode values When the DA 78HR is referenced to its absolute ti
83. e 52 ABS frame rate 52 ABS setting 53 ABS time 52 absolute and relative difference 60 absolute difference 60 absolute time see ABS time adjusting parameter values 2 advanced output options 44 ALL AN ALOG setting 3 ALLINPUT 7 4 36 ambient temperature 8 analog inputs 72 analog inputs balanced 6 analog inputs unbalanced 6 analog outputs 72 synchronizing with timecode 55 analog outputs balanced 76 analog outputs unbalanced 6 audio connections 7 Audio specifications 73 audio specifications 73 AUDIO menu 23 AUDIO2 menu 24 AUTO IN OUT OFFSET key and indicator 4 AUTO MON 14 36 auto play 39 autolocation 38 see location points automatic park position setting 59 automatic punch point setting 32 available recording and playback time backup memory initialization 69 balanced analog audio connections 7 basic operations 27 BER see Block Error Rate block error rate BER 68 bypassing timecode errors 60 C cables 71 cancelling machine offset 48 59 cancelling timecode offset 59 cassette types 9 CHASE key 15 chase mode 48 chase to timecode 58 checking and editing and manually entering location points 38 checking drum time 69 74 TASCAM DA 78HR checking error rates 68 checking external timecode 57 checking head time 69 checking location points 38 checking the frame mode of striped timecode 58 checking version numbers 69 cleaning the heads 68 CLEAR PRE ROLL key 14 clock source i
84. e roll and post roll times The punch in and punch out points will remain the same while you change the pre and post roll times 5 6 3 Setting punch points using the front panel Setting the punch in point 1 Press the RHSL rehearsal key twice so that the indicator lights flashes or lights steadily 2 Press the AUTO MON key the indicator will light 3 Press the SHIFT key to enter shift mode SHIFT indicator flashing 4 Press the LOC 1 MEMO 1 key The display will briefly show in Po int In Point and will then show the current value of the punch in point 5 Usethe shifted A and W keys LEFT and RIGHT to select the field hours minutes 5 Basic operations seconds frames or sub frames that you want to edit and use the A and V keys to change the value of the punch in time See 4 3 5 Left and right keys for details Setting the punch out point 1 If you have not already performed steps 1 and 2 as described for setting the punch in point do them now 2 Press the SHIFT key to enter shift mode SHIFT indicator flashing 3 Press the LOC 2 MEMO 2 key 4 Use the shifted A and W keys LEFT and RIGHT to select the field hours minutes seconds frames or sub frames that you want to edit and use the A and V keys to change the value of the punch out time See 4 3 5 Left and right keys for details The value of the punch in point can be reset to 00 00 00 00 this
85. e unit first configures itself for the reel hub diameter of the tape in use during which the tape advances at low speeds This takes several seconds Thereafter the transport momentarily goes into stop mode before the tape starts fast winding STOP key Cancels any current tape transport mode and stops the tape If pressed in chase mode cancels the mode and stops the tape PLAY key Starts playing the tape If this key pressed while recording is in progress the DA 78HR drops out of record mode RECORD key If the PLAY key D is pressed while the RECORD key is held down recording will start on all armed tracks 5 2 1 Preparing to record If the DA 78HR is in play mode and the REC key is pressed recording will start immediately on any armed tracks The RECORD key also is used to set punch in points during auto punch in out operations 5 6 Punch in and punch out DATA LEVEL control When theSHUTTLE DATA key is pressed the indica tor will light The DATA LEVEL control will then be active as a shuttle control Turning the control to the right provides forward cueing and turning it to the left provides reverse cueing similar to rock and roll on open reel tape decks For details see 7 7 Shuttle operations When theSHUTTLE DATA key is pressed in conjunc tion with the SHIFT key the DATA LEVEL control is also used as a data entry control to make various set tings including the s
86. ead can be adjusted in both directions 1 Make sure that the unit is inshift mode the SHIFT indicator is flashing 2 Press the RHSL DELAY key The display can show the delay in samples or milliseconds in which the delay is counted Press and release the DELAY key briefly in order to change between these two units Millisecond delays are shown as 3 digit values and sample displays are shown as 4 digit val ues always with leading zeroes 4 Typically all tracks will have their delay set together as shown by the display Usethe A and W keys to change the value You can also use the DATA LEVEL knob to set the delay value see 4 3 7 Using the DATA LEVEL knob to set values 5 Press a track s REC FUNCTION key to select an individual track whose delay value can be changed 6 To change from editing individual track values back to all tracks together press and hold the DELAY key for more than one second 7 Press and hold the SHIFT key for more than three seconds to exit the delay setting mode The meters can also be used to give a visual indication of the track delay Press SHIFT and one of the REC FUNCTION keys as described in 4 1 1 Peak positive values meters to toggle this meter mode off and on The default at power on is for this mode to be on 15 a olo 5030 v O zero negative values Kt 4 A o eur AAA AAA I The track delay expressed in seconds is between 4 to 1
87. eaned will be incre mented by one Do not attempt to rewind or fast forward the clean ing tape either in the DA 78HR or in a video unit Simply insert it into the DA 78HR when you use it the next time Excessive cleaning can cause excessive wearon the heads Do not clean the heads too frequently and never perform the head cleaning procedure more than 5 times running In addition to cleaning the heads we recommend that you have the DA 78HR checked by an autho rized TASCAM service technician every 500 hours or so of use 11 1 2 Checking error rates If you hear noise and distortion on playback even after cleaning the heads or if you are presented with a tape of dubious quality you may want to check the block error rate of the tape 1 Press the SHIFT key sothat the SHIFT indicator is flashing and press the MENU key until the display shows A inEn MAINTN maintenance 2 Press the SUB MENU key until the display shows b r oF F BER OFF 3 Usethe A and V keys to change off toan The PB CONDITION indicator will start to flash 11 Maintenance etc 4 Play thesuspect tape The track meters are used to show the error rate at different loca tion as listed below Tape edge head A Tape center head A Tape edge head B Tape center head B 3 Es a gt A 2 no O J E Li 1 a 0 gt E gt n e a a FREA acan x mg ou ra AS O 11 0 SSR
88. econd level of menus in the menu tree see 4 3 Menus and sub menus LOC 1 MEMO 1 key This key locates the tape to the position set by MEMO 1 this key used with the SHIFT key See 7 1 Autolocati on for details LOC 2 MEMO 2 key This key locates the tape to the position set by MEMO 2 this key used with the SHIFT key See 7 1 Autolocati on for details MIXDOWN LEVEL PAN key and indicator This key turns the 8 x 2 sub mixer output on and off from the rear panel outputs See 7 4 Sub mixer for details When the DA 78HR is in shift mode this key is used to set the level and the pan position of each track in the sub mixer image 7 4 Sub mixer 2 4 Track controls REC FUNCTION keys and indicators These eight switches and indicators allow the setting and viewing of the record status on a track by track basis When one of these switches is pressed the appropri ate indicator will flash the track is armed and going into record mode will start recording on that track When recording is being carried outon a track the track s indicator will light steadily In addition these keys are also used to select tracks and channels for different operations including the input and output patchbays the delay and sub mixer 15 TASCAM DA 78HR functions See 7 3 Track delay 7 4 Sub mixer and 5 3 Input selection for details of these operations Peak meters
89. ecording process remember that track copying in the di gital domain will add no noise or distortion A digital copy is a clone of the original and no loss of quality is incurred The DA 78HR allows you to copy tracks digitally and you can use the internal sub mixer see 7 4 Sub mixer to combine all tracks level and pan can be set to tracks 7 and 8 Because the DA 78HR also allows a track to be replayed and recorded onto itself all eight tracks can be mixed internally and merged into tracks 7 and 8 The basic method for going about this is 1 Exitshift mode and enter the MIXDOWN mode 2 Enter shift mode and enter the sub mixer mode 3 Make thelevel and pan settings for the tracks which are to be combined as described in 7 4 Sub mixer See this section for full details of how to operate the sub mixer 4 Youcan use the DA 78HR s SPDIF COAXIAL TDIF 1 and analog outputs to monitor tracks 7 and 8 Only tracks 7 and 8 will be output from the TDIF 1 and analog outputs and the other track outputs will be muted 5 Arm tracks 7 and 6 Record tracks 7 and 8 5 3 4 Returning to ALL ANALOG setting After tracks have been set individually it may be necessary to return the inputs to all analog It is then easy to return to all digital see 5 3 Input selec tion but setting all inputs to all track would bea somewhat pointless setting 1 While the unit is in patchbay mode as described in
90. ept for the shifted MENU or SUB MENU functions 4 3 2 Sub menus When a menu is displayed pressing the shifted CHASE key SUB MENU brings up the sub menu items associated with that particular top level menu group There are two different ways of displaying sub menu items one is that the name of the parameter to be adjusted and the current value of the parameter are displayed together the other way is to that the name of the parameter is displayed for one second and the display then changes to the current value of the parameter this is when the parameter name and or the value are too long to be displayed together Pressing the SUB MENU key cycles through the list of sub menu items in a top level menu group the list is regarded as circular Pressing and holding the SHIFT key and pressing the SUB MENU key cycles through the sub menu items in the reverse order 4 3 3 Adjusting parameter values In menu mode the AUTO MON and the ALL INPUT keys perform the function of up and down keys A and W and they are used to change the values of parameters in the sub menu items As soon as the value of the parameter is changed on the display the parameter itself is changed i e there is no need to confirm changes with an ENTER key or the equivalent If one of these keys is pressed and held down for half a second the key changes to a repeat mode If the key is held down for one second the repeat mode changes to a fas
91. er the DA 78HR must be setto accept the clock from the DIGITAL IN see 5 2 2 Selecting a clock source This clock must then be sent from the THRU of the DA 78HR to the IN of the TDIF 1 device which must be set as a word sync slave 1 PresstheSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows Hud 10 AUDIO1 2 Press theSUB MENU key until the display shows n DIN followed by the current setting 3 Usethe A and V keys to change between Ed iF TDIF and 57 d SPDIF COAXIAL You cannot use the SPDIF COAXIAL output from the sub mixer while accepting a signal from the SPDIF COAXIAL input You must use a tape formatted at the sampling fre quency of this input i e you cannot use the SPDIF COAXIAL input to record a CD on a 48kHz tape Varispeed is also not possible when recording using this input 5 3 2 Input patchbay routing To route inputs to tracks whose numbers do not cor respond to those of the inputs or to mix the types of input source digital analog or off tape 1 Followsteps 1 through 3 in 5 3 Input selec tion above 2 Press theREC FUNCTION key of the track to which the input will be routed 3 Thedisplay changes to show the track number of the destination track together with the source e g Er E 1 A TRK1 A1 shows that track 1 has been selected and that analog input 1 is the source 4 Usethe A and V keys to change the input sour
92. errors will occur A good rule is therefore to keep one word length and one sampling frequency throughout a tape 5 4 2 Selecting input word length When data is accepted through the DIGITAL VO con nector the word length of the incoming data must be set This can be selected from between 16 bit 20 bit or 24 bit This is notthe same as the resolution recorded on tape To set the word length 1 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows Aud io AUDIOT 2 Press the SUB MENU key until the display shows Ed if E TDIF xx where xx is the cur rent input word length 3 Usethe A and V keys to choose between 24 20 and 16 bit word lengths We sug gest that you experiment with the dither settings 7 11 Dither if you find you are recording quantization noise at low levels when the input word length is set to 20 or 24 bits and you are recording at 16 bit resolution Though you will lose a little in the signal to noise ratio total harmonic distortion figures will be improved If you are dubbing tracks from a DA 88 this value must always be set to 16 bits 5 5 Overdubbing Overdubbing subsequent tracks is carried out in a very similar way to recording the first tracks TASCAM DA 78HR 31 5 Basic operations If you are unsure about the difference between moni toring modes as implemented on the DA 78HR now is a good time to read 6 Mon
93. es However if the slave machine wanders actually this is unlikely the offset theoretical difference will not be equal to the 9 Operations related to timecode absolute difference The relative difference is expressed as below Relative difference Absolute difference Offset Thus if the offset is set on a slave machine to 00 10 00 00 10 minutes and while chasing the two machines counters read as follows Mastr 7 5 12 12 Slave iU 05 12 a the slave is now 10 minutes and 4 frames behind the master Since the slave is meantto be exactly 10 minutes behind the master the difference 4 frames is the relative difference between the master and the slave To view the and relative differences between master and slave machines 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display shows d 15 DISP followed by the current setting 3 Usethe A and V keys to make the d iF DIFF setting the difference between the received timecode and the actual position 9 6 9 Rechasing timecode When timecode is received the DA 78HR can either constantly monitor the intemal off tape timecode or the ABS equivalent as setin 9 2 Tape timecode mode and the external timecode issuing speed up and slow down messages to the transport to keep itself in sync rechasing or it can
94. ex P S oscillator 43 output advanced options 44 patchbay 44 word length 44 overdubbing 3 P parameter values adjusting 27 park position 59 peak hold time 42 peak meters 5 20 Physical specifications 73 physical specifications 73 pitch control see varispeed playback repeat 39 playback times post roll time see also pre roll time 33 IN POWER IN 6 power cord 7 power specifications 73 power supply 9 powering the unit offand on 9 pre roll and post roll punch 33 pre roll time editing 33 location 38 propagation delay 39 punch in and punch out 32 punch in mode 35 exiting 35 punch ins crossfade times 4 interrupting 34 introduction 32 recording 34 rehearsing 34 replaying 34 setting points 32 setting punch points 32 33 R rack mounting 9 REC FUNCTION keys and indicators 5 REC MUTE recording silence 43 rec mute function 43 rechasing timecode 60 recommended tapes 9 RECORD key 4 recording emphasis 8 recording punch ins 34 recording silence REC MUTE 43 recording the oscillator 43 recording time 76 TASCAM DA 78HR recording timecode 55 from external sources 57 using the generator 56 recording timecode from external sources 57 recording while formatting 28 51 rectangular dither 44 rehearsing punch ins 34 relative difference 60 relative humidity 8 Remote control connectors 72 REMOTE IN 5 18 REMOTE IN SYNC IN 75 REMOTE PUNCH IN OUT 6 Remote sync connectors 72
95. g offsets A practical example of setting offsets is given here The master DA 78HR contains the tape with the dia log and reference tracks from the video worktape Another DA 78HR the slave has a tape with some tracks containing video backing music Itis neces sary to produce an offset between the two so that when the master is played the music tracks will start atthe correct time relative to the dialog and reference tracks Copy of video worktape audio tracks Ut db pra in ja Lo irr z I iL i EIE HW J 008 57 00 UB 0108 a Start of em Start of video Music entry Connection from Backing music SYNC OUT to meek ili s SYNC IN fi rotore ABS meca O ini co co co co DO 57 nn n ni on nn om ULI LIL LI U 1 LILI ou uu Ci Start of music tape is cued here Press the A or w key at this point Offset will be set to 0 G2 21 18 Start of tape 1 Locate the slave tape with the backing music to the start of the music The shuttle mode is useful here see 7 7 Shut tle operations 2 Rewind the master to a little before you want the music to enter 3 Start playing the master DA 78HR When the music entry point is reached press and hold the SHIFT key and press the AUTO IN OUT key to capture the offset point 5 Stop the master and set the slave into CHASE mode 8 2 3 Master slave settings CHASE mod e 6 Rewind the master to a little before the music entry and start playing
96. g recorder cannot chase to external time code you must first record the timecode from the analog recorder on an audio track of the DA 78HR and then transfer the timecode to the dedicated time code track Timecode recorded on the audio track in this way is synchronized to the audio clock and can subse quently be transferred through patching to the time code track 9 5 6 Recording timecode from external sources 1 Set the time mode totc 9 1 3 Selecting TC or ABS timing 57 TASCAM DA 78HR 2 Set the timecode record source to E 9 5 1 Selecting the timecode source 3 To record the timecode press the SUB MENU key until the display shows tc r Ec En O TC REC ENO meaning that timecode recording is disabled Use the A and W keys to change the setting to 1 enabled 4 Start the external source to check the status of the external timecode If no external timecode has been received since the DA 78HR has been switched on the tape counter will show all hyphens If external timecode has been received since the DA 78HR has been switched on but is not currently being received the tape counter will flash I the external timecode is currently being received at normal play speed the tape counter will show the value of the timecode currently being received If the external time code is being received from a source in fast wind mode the tape counter will flash If the timecode source is not clock syn
97. gh AES EBU stereo digital audio signals are self clocking any AES EBU format signals con verted and fed to or from the DA 78HR must be syn chroni zed at word level with the DA 78HR 1 4 2 HR recording and emphasis Recordings made in 24 bit HR mode do not use emphasis If an attempt is made to record a digital signal that contains emphasis using either the TDIF or the S PDIF digital audio inputs the display shows E nP E EMP and the signal is muted A digital emphasis circuitis provided however for compatibility with previous models of DTRS recorder Note that if a recording using emphasis is dubbed to the DA 78HR via the analog inputs this signal will need to be modified appropriately 1 4 3 Environmental conditions The DA 78HR can be operated in most environ ments but we suggest that you keep the environmen tal conditions within the following limits e Ambient temperature between 5 C and 35 C 41 F and 95 F Relative humidity should be between 30 and 80 non condensing There should be no strong magnetic fields speak ers etc near the DA 78HR Avoid spraying polish insecticides etc near the DA 78HR If you need to clean the DA 78HR use a soft cloth moistened if necessary with a little detergent and water Do not use abrasive cleaners or solvents such as alcohol or thinner Avoid subjecting the DA 78HR to jolts sudden shocks etc If you have to return the unit for service or
98. h a 3 core grounded power cord DA 78HR should be used with a grounded power cord connected to a suitable electri cal ground at all times If it is not there is a possibil ity that the audio quality will suffer 1 4 7 Powering the DA 78HR off and on When powering the DA 78HR off and on always wait for five seconds or more between powering the unit off and turning it on again If the power is switched too quickly the precision power supply may not provide the power of the proper quality required for recording If power is inadvertently switched off an on quickly and the power supply does not respond properly switch the unit off again wait for five or more sec onds and switch it on again 1 4 8 Condensation If you usethe DA 78HR in a warm place after mov ing it from a cold place for instance recording on location or if there has been a sudden change in temperature condensation may occur within the tape mechanism with a risk of possible damage to the unit If condensation does occur you will not be able to operate the DA 78HR controls and you will see the following message on the display E d H E DEW If you see the above message leave the DA 78HR switched on for one or two hours then switch it off and on again before starting recording If you are going to use the DA 78HR in a location where you think condensation is likely to occur move the DA 78HR into the warmer location about one or two hours before
99. he audio functions of the DA 78HR Aud ia d AUDIO2 Additional audio features Ep TC Timecode parameters genera tor display etc Ec cH5 TC CHS Parameters affecting the time code chase mode of the DA 78HR Ec rEc TCG REC Timecode generator recording parameters nid i MIDI Parametersconcerned with the MIDI functions of the DA 78HR nA inEn MAINTN Maintenance etc parameters concerned with the DA 78HR When the MENU key is pressed one of this group names is displayed on the screen and the unit enters menu mode When the MENU key is pressed again the next menu group name in this list above is shown the list is circular i e the first group name follows the last in the list Pressing and holding down the SHIFT key and press ing the MENU key goes to the previous menu group following the order described above Once again the list is regarded as circular Lem e MENU Ld Ka T XL e Aud ia 55 PU men 4 SHIFT M t x MENU I nag sc I Rudia 2 1 y 4 a a I N bchrEc Enss 4 s 4 DE te cH5 P d Ya f wu Note that the titles of these top level menu groups are all followed by two dashes showing that there are submenus under this level 21 TASCAM DA 78HR 4 3 1 Exiting menu mode To exit menu mode either tum off the shift mode press the SHIFT key so that its indicator is no longer flashing or enter another shifted function exc
100. he display briefly shows out b i OUT BIT xx where xx is the current setting 4 Use the A and W keys to change between 16 and 24 bits Simply changing the output word length to 24 bits will not automalically provide better sound quality if the equipment being fed by the DA 78HR is not capable of accepting 24 bit audio 7 12 2 Output patchbay In addition to the integral input patchbay the DA 78HR also features a patchbay which allows tracks to be routed to different output channels This routing is carried out in parallel to both the TDIF digital and the analog sets of outputs The default setting is nar AL NORMAL i e tracks are output to their correspondingly numbered output channels To make an output patch setting 1 Press the SHIFT key so that the unit is in shift mode SHIFT indicator is flashing 2 Press the MENU key until the display shows Aud 10 AUDIO2 3 Press the SUB MENU key until the display briefly shows o ut PAL cH OUT PATCH fol lowed by the current setting 4 Press any of the REC FUNCTION keys to select an output channel not a track which will have a track assigned to it 5 The display shows the current setting of this output channel e g c A 1 Er J Chi tr3 means that output channel 1 is fed by tape track 3 Use the A and V keys to change the track number TASCAM DA 78HR 44 7 Advanced operations Pressing the A and W keys simulta neously returns the ou
101. he tape Avoid re starting recording and formatting from an unformatted section of the tape 28 TASCAM DA 78HR 5 2 Recording the first tracks There are a number of different ways of recording the first tracks However all follow the same basic principles When using a newly formatted tape we suggest that you record a blank leader about 30 seconds long starting from the beginning of the tape to avoid dropout Leave a similar recorded blank trailer atthe end of the recording You can use the Rec Mute function as a convenient way of recording silence See 7 10 REC MUTE record ing silence If the tape counter shows a negative value you can not record on the tape at that position 5 2 1 Preparing to record 1 Ifyou have not already loaded a formatted blank tape do so now 2 Make sure that varispeed is turned off Check the VARI SPEED indicator 7 6 Vari speed pitch control 3 Select the recording source see 5 3 Input selection as either all digital all analog or a mixture of these sources The DA 78HR con tains a patch bay which allows you to route inputs to tracks 5 2 2 Selecting a clock source 1 If you have selected a digital source you should select the word clock master using the CLOCK key This can either be an external word clock con nected to the rear panel BNC WORD IN con nector or it can be the SPDIF COAXIAL digital audio signal The appropriate indicator to the right
102. hen making a live multi machine recording and there has not been time to format all the tapes in advance of the performance Remember that you should letthe tapes run to the end you should not halt the formatting recording process part of the way through the tape 8 6 Individual clock mode There are some circumstances where it may be nec essary to use independent reference clocks on a chain of DTRS units when TC time mode see 9 2 Tape timecode mode is selected There are two settings AUTO and INDVID individ ual AUTO is the default and the unit behaves as fol lows when this is selected Slave units lasterDA 78HR Slave DA 78HR units Time Mode All clock sources DTRS sync TC eum psa In individual mode the unit behaves as follows Master DA 78HR Slave DA 78HR units LE Slave unit s Time Mode All clock sources Internal WORD or DIGITAL IN 1 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the counter shows 5454 En SYSTEM 2 Press the SUB MENU key until the display briefly shows c Lot no d CLOK MODE and then changes to the current setting 3 Use the A and V keys to change between the Auto AUTO and indu id INDVID modes 8 7 Error messages These error messages refer to DTRS synchronization E d in E DIO appears if the digital cable is not connected Re connect the correct cable to the DIGITAL I O connector E cLac
103. in Once again only use TASCAM cables for connection of equipment to and from the DA 78HR 3 Connections 3 3 4 As mentioned earlier there is usually no need to use a Word clock when connecting DTRS units together There is however an occasion when it is necessary to carry external word sync between DTRS units Indirect word sync This is when a slave DTRS unit is recording digitally from another digital audio device Digital SDIF 2 device Word clock signal Machine ID 1 1 master but CLO WOR Machine ID 2 slave 1 PW 88S Termination TDIF 1 digital lu audio Though the slave will receive its word clock from the master unit the master itself must receive its word clock from the other digital audio device In this case the master unit will have its clock source set to WORD and the slave willreceive its clock from the master unit through the SYNC IN TASCAM DA 78HR 19 4 Menu interface etc Read this section to understand the basic principles of the menu operations These menus are used for making settings which cannot be made directly from dedicated front panel keys In addition this section gives a brief description of the top level menu groups as well as the sub menu items and the parameters This is not a detailed description of these menus and parameters but may be consulted for quick reference See the appropriate sections of the manual for detailed information regarding these menu set
104. ing chasing timecode individual record tch node r ESEE reset TC generator cont continue rEcH5 Ad rEcHASE 9 6 9 Rechasing mode rechase mode rechase FEE timecode free tcb 5 oP stop 9 5 2 Recording TC generator run run timecode using the rEcHS Hd 15Ec 2 SEc 1 9 69 Rechasing generator rechase window or 2 seconds timecode Rechase mode Width of rechase window Err bUPRS IB Fr 30 Fra 9 6 10 Bypassing 4 10MIDI menu error bypass 10 or 30 frames timecode errors po Ur E Length of time for error bypass when chasing rai The following parameters are used PE Pot LESE 9 6 6 Park posi to control the MIDI parameters of the DA 78HR park position tion test Described in 10 1 MMC enable PAre Pos D 0 sec 9 6 7 Automatic and disable park position Oframes to park position set 8 123 1 second ting 29 frames 10 1 1 Assigning Park position timing a MIDI ID to the DA 78HR MMC ID ntc Eredi soil ca MTC ELO Cee The following parameters are we used to control the internal timecode generator MTC output FASE ntc an oF F 9 4 4 MTC output fast MTC MTC output in fast wind mode Ec rEc Sre E E extemal 9 5 1 Selecting TC recording tc amp TC genera the timecode Stof ntc an aFF 9 4 4 MTC output stop MTC source tor ERPE Ec source tape timecode MTC output in stop mode Selects the source
105. ion of up to 16 DTRS recorders 128 tracks without the use of any exter nal synchronizer or controller Direct digital dubbing between DTRS units An intemal digital patchbay allowing input to track assignment and selection of digital analog and off tape sources without the use of extemal switching or routing equipment Internal 8 x 2 mixer level and pan for stereo replay of recorded tracks and output through a standard SPDIF connector without external mixing equipment SPDIF stereo input Balanced 4dBu analog inputs and outputs carried on a convenient compact D sub connector Unbalanced 10 dBV connectors RC A for con nection to semi professional equipment 15 segment peak meters with user selectable fall ballistics and variable hold time including contin uous peak hold Meters also used for display of channel and track information Integral digital sine oscillator providing signals at 440Hz and 1kHz for tuning and other frequencies for lineup purposes Digital input and output on a single convenient compact D sub connector TDIF 1 format Settings carried out through a menu hierarchy SMPTE EBU timecode input and output MIDI Time Code and MIDI Machine Control Simplified source tape monitoring functions with automatic switching Auto punch in and punch out with rehearsal mode 2 point full function autolocator with A B repeat function Variable speed recording and playback up to 6 096 in 0 1 steps Shuttle mo
106. ition as the current value corresponds to Ge Indicator Pi flashes fast as soon as dial is turned past 02 position 7 Curent position corresponds to I0 Note that because of the precision of the knob the value may sometimes appear to jump Fine tuning of values should be done with the A and W keys 4 4 SYSTEM menu CUCLC __ IIIC The following parameters are used to control and provide information regarding the overall operation of the unit d SEL l i through 15 8 2 2 Setting ID selection machine ID ID when the unit is connected in achain of DTRS units E ink node time mode Reference timing source AbS Ec 9 1 ABS and timecode clott nadE clock mode Ruto indo id individual 8 6 Individual clock mode Clock source for a slave unit 23 TASCAM DA 78HR U i through 5 seconds default is 3 cnt contin UOUS Meter peak holdtime ria FASE Slow release time 7 8 2 Veter ballis slow n d tics medum Meter release time SALE aFF 7 14 Saving set save tings to tape Saves the current settings tothe tape Lofid oFF 7 15 Restoring load settings from tape Loads settings from tape 4 5 AUDIO1 menu E DORIA NUDO IC Y The following parameters are used to control the audio operation of the unit using the first audio menu Ld iF TDIF din 5 3 1 Digital input 5Pd SPDIF selec
107. itoring Obviously you will want to record while you listen to the off tape signals from previously recorded tracks and the input source on tracks where recording is tak ing place 5 6 Punch in and punch out There are a number of ways in which the DA 78 HR can be used to perform reliable punch in and punch outs automatically Punch points can be set and edited to frame accuracy either from a cue list or on the fly in real time The DA 78HR provides a rehearsal mode which sim ulates the punching process allowing the artists to perfect the timing of the new material The mechanics of punching on a digital recorder appear to the operator to be the same as on an analog recorder Crossfading however is an important and useful function on digital recorders to ensure continuity between original and punched material In the case of the DA 78HR this crossfade time is adjustable from 10 milliseconds to 200 milliseconds 7 5 Crossfade times The AUTO MON mode is essential here in both rehearsal and punch modes the material prior to the punch point is monitored off tape The monitoring of armed tracks changes to source while rehearsals and punching are carried out and thenchangesto off tape again after the punch out point See 6 Monitor ing for details of monitoring modes including the AUTO MON mode Pre roll Punch in Punch out Post roll point point point point Pre rdl time Post rall time Rehearsal ka
108. k arming etc of asingle DTRS unit 12 1 4 IF AE8 AES EBU digital audio converter Converts between TDIF 1 and AES EBU or SPDIF formats up to eight channels This unit can be used effectively in digital video situations etc 12 1 5 IF 88SD SDIF 2 digital audio converter Converts eight channels of digital audio between the TDIF 1 and SDIF 2 format This unit is for use with DASH format digital multitrack recorders etc The following cables should be used with the unit ue mmm O PW SD1 IF 88SD gt SDIF 2 PW SD2 SDIF 2 IF 88SD 12 1 6 IF TAD ADAT digital audio converter Converts eight channels of digital audio between the TDIF 1 and ADAT formats using a lightpipe for connection to the ADAT interface equipped unit This unit is suitable for dubbing operations 12 1 7 TDIF 1EX extender box The TDIF 1EX extends the maximum distance over which TDIF 1 signals can be transmitted to a maxi mum of 50 m 160 ft 12 1 8 Cables As mentioned TASCAM cannot accept any respon sibility for damage caused by the use of the wrong cables Always consult your TASCAM dealer to see if there is aready made cable to meet your needs The TASCAM cables to be used with the DA 78HR at the time of writing this manual are given in the table below 1 m 3ft DA 78HR gt DTRS digital dubbing cable PW88DL 5 m 15 ft DA 78HR DTRS digital dubbing cable 1 m 3ft DA 78HR lt gt DTRS sync cable PW 2D 2m 6
109. ke In these cases the following procedure applies to both rehearsal and punch recording 34 TASCAM DA 78HR 1 While the tape is running press the LOC 1 key there is no need to press STOP first The tape will return to the punch in point minus the value specified in the punch in offset 5 6 4 Editin g the pre roll and post roll times 2 Pressing PLAY will then re start the rehearsal or punch in process Pressing the LOC 2 key will locate the tape to the punch out position minus the punch in pre roll time These functions are only operative when the RHSL or AUTO IN OUT indicators are lit or flashing When they are off the LOC 1 and LOC 2 keys will act normally 5 6 7 Recording the punch in 1 Make sure the tape is at the pre roll point and press the AUTO IN OUT key once The indicator will flash showing that the DA 78HR is in auto punch mode 2 Press PLAY The tape will start playing At the punch in point the RECORD indicator will light steadily as will the REC FUNCTION indicators of any armed tracks Monitoring will change from off tape to source and the INPUT MONITOR of any armed tracks will light Recording will now actually take place Any recorded material which was previously on the armed tracks between the punch points will be replaced by the new recording 3 Atthe punch out point the monitoring will go back to off tape the INPUT MONITOR indica tors of armed tracks will go out and
110. key This enters the level pan setting mode 3 If the display does not show n 5E L MST L xxx master level continue to press the LEVEL PAN key until this is shown Repeated presses of the LEVEL PA N key or the currently selected channel as explained below will cycle through the following master level gt channel level gt channel pan gt channel input selection 4 Use the data knob and or the A and W keys to change the level between Ceo dB and Z 0 dB The 7 and 8 meters may be used to show the level toggle with SHIFT REC FUNCTION The 0 dB segment represents a value of Z 7 and the 12 dB segment represents a value of 5 7 4 3 Leaving edit pan setting mode When the unit is in edit pan setting mode as above it can be returned to normal operations as shown by a change in the display by either of the following methods Entering another shift mode function e g delay or Pressing the SHIFT key so that the SHIFT indi cator stops flashing exiting shift mode Remember that turning off the edit pan setting mode will not automatically turn off the mixdown mode To turn off the mixdown mode you must turn off the shift mode and then press the MIXDOWN key 7 4 4 Setting levels and pan positions To set the individual channel levels and pan positions 1 Make sure that the unit is in level pan setting mode as described above 7 4 2 Setting the master level 2 Press the R
111. l light whenever the varispeed is enabled even if the speed is set to 0 096 Playback and recording will now take place at the new speed 7 7 Shuttle operations The shuttle key indicator and knob are used to simu late the rock and roll location method on open reel tape decks allowing you to locate a point on tape through audible cues As the knob is moved from the center detented posi tion the shuttle speed becomes higher The variation in speed is not continuous but as you turn the knob from the center position the shuttle speed changes following these values relative to normal speed 0 25 0 5 1 0 2 0 4 0 8 0 The 1 0 speed is only available when shuttling in the forward directi on Shuttle operations are only possible when the SHUT TLE indicator is lit press the SHUTTLE switch If the SHUTTLE knob remains untouched at the center position for 10 seconds the shuttle mode is disabled and the indicator goes off 7 7 1 Shuttle monitoring This is also covered in 6 3 Shuttle monitor The default behavior of the DA 78HR is that when shut tling the tape you monitor off the recorded tape When monitoring in shuttle mode the monitor signal is attenuated by 12 dB to avoid possible damage to ears and speakers 7 Advanced operations When AUTO MON is on the monitoring of any armed tracks will be off tape unless the SHTL MON is on in which case the monitoring of armed tracks will be source i
112. le to use the tape for recording All transport controls are disabled during formatting except for the STOP key which can be used to abort the format process It is possible to format tapes on a number of DTRS units simultaneously For details see 8 5 S ynchro nized formatting 5 1 3 Aborting the format process To abort the process before formatting actually takes place i e you have pressed the FORMAT Fs switch twice in error press the CLEAR or the STOP key The only transport operation you can perform once formatting has started is to stop the tape However we do not recommend interrupting the for matting process but suggest that you letthe tape run to the end If you interrupt the formatting or the formatting is interrupted by a power cut or events beyond your control rewind the tape and start the format from the beginning of the tape again 5 1 4 Recording while formatting If you have armed any tracks you have pressed its REC FUNCTION switch and the indicator is flash ing any audio signal routed to that track will be recorded while formatting is in progress If you have recorded and formatted part of a tape and you wish to continue formatting and recording on the rest of the tape assembly you should rewind to a pre formatted blank section of the tape and resume formatting and recording from there Recording and formatting will continue at the sampling fre quency used on the first part of t
113. lity Double encoded Reed Solomon code 44 1 kHz 48 kHz 16 24 bits linear DTRS DTRS HR 16 dB full bit 10ms to 200ms 10ms increments 200 to 7 200 samples 4 to 150 ms in single unit increments Can beset in samples or ms 2 hours to sample accuracy Intemal WORD or SPDIF 128 times oversampling 24 bit AX switchable dither 128 times oversampling 24 bit AX 30 drop 30 non drop 29 97 drop 29 97 non drop 25 and 24 fps 72 TASCAM DA 78HR 12 2 2 Analog inputs and outputs Analog inputs balanced Analog inputs unbalanced Analog outputs balanced Analog outputs unbalanced D sub 25 pin female 4 dBu Impedance 20kO 8x RCA 10dBV Impedance 10 kQ D sub 25 pin female 4 dBu Impedance 10k 2 loaded 8x RCA 10dBV Impedance 250 Q 12 2 3 Digital inputs and outputs Digital YO unbalanced DIGITAL INPUT OUTPUT COAXIAL unbalanced D sub 25 pin female TDIF 1 format RCA connectors 12 2 4 Remote sync connectors Remote in sync in Sync out D sub 15 pin female Conforms to REMOTE IN SYNC IN protocol D sub 15 pin female Conforms to REMOTE IN SYNC IN protocol 12 2 5 Word sync terminals Word sync in thru Word sync out BNC connector 750 at TTL level THRU auto terminated BNC connector 750 at TTL level 12 2 6 Timecode connectors Timecode input Timecode output RCA connector Inout impedance 10 KQ Input level 0 5 Vp pto 10 0V p p RCA co
114. m SOURCE m SOURCE AUTOIN OUT m i TAPE 32 TASCAM DA 78HR Though it is possible to perform punch recording in ALL INPUT mode the monitoring in this mode does not make it easy to perform accurate punch opera tions We suggest that you turn this mode off when performing punch ins 5 6 1 Automatic punch point setting Whenever recording takes place the time when recording begins is automatically stored as a punch in time and the time when recording stops is stored as a punch out time This is not usually the way in which you will want to set the punch points however There are several alter native ways in which you can set these points as described below 5 6 2 Setting punch points on the fly This method demands sharp reflexes but you can edit the punch points later as we show below If an optional footswitch has been attached to the rear panel REMOTE PUNCH IN OUT jack this can be used in the following steps instead of the RECORD and PLAY keys i e press the switch once to set the punch in point and again to set the punch out point 1 Press the AUTO MON key the indicator will light This is not strictly speaking necessary for set ting the punch points but the AUTO MON is necessary for punch operations so we suggest you turnit on here 2 Use the REC FUNCTION key s to arm the track s on which you will be recording 3 Press the RHSL rehearsal key The indicator will flash showing
115. means that timecode is output continuously during fast operations and will not be contiguous it willleap between frames The of F OFF setting means that timecode is not output during fast operations 55 TASCAM DA 78HR 9 4 6 Timecode output timing Because of the nature of the digital to analog conver sion the timecode which is output from the DA 78HR must be synchronized to match the audio tim ing from either the digital or the analog audio out puts whichever set of outputs is in use at the time 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press the SUB MENU key so that the display shows nut Ec En OUT TC TMG briefly and then changes to the current setting 3 Usethe A and V keys to select between AnAL al ANALOG and d if EAL DIGITAL 9 5 Recording timecode 9 5 1 Selecting the timecode source The DA 78HR allows you to select one of three sources for recording timecode the DA 78HR s internal generator external timecode or timecode based on tape To select the source for recording timecode 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows Ec amp r Ec TCG REC 2 Press the SUB MENU key so that the display shows Ec r Ec 5r c TC REC SRC briefly and then changes to the current setting 3 Usethe A and V keys to select a source for the timecode
116. mecode the ABS indicator to the left of the tape counter will light and when referenced to timecode intemal or external the TC indicator will light 9 1 3 Selecting TC or ABS timing This procedure is fundamental to synchronization operations If you select absolute timing mode when you want to synchronize with timecode you will be unable to synchronize the DA 78HR To change between the two different time reference modes perform the following procedure 1 Press the SHIFT key so that the SHIFT indicator is flashing and then press the MENU key so that the display shows 545 SYSTEM 2 Press the SUB MENU key until the display briefly shows in E nod TIME MODE fol lowed by nd E amp E T MD xxx the current setting for this parameter as described below 3 Use the A and V keys to select either fh 5 ABS or Ec TC the default is 755 The appropriate indicator by the time display will light 9 2 Tape timecode mode The following procedure allows you to select the source for tape timecode including using ABS tim ings which are used to synthesize SMPTE EBU timecode This synthesized timecode is treated exactl y as if a tape had been striped with timecode 1 Press the SHIFT key sothat the SHIFT indicator is flashing and press the MENU key until the displays shows c TC 9 Operations related to timecode 2 Press theSUB MENU key until the display briefly shows APE t c TAP
117. minutes of continuous recording is possible on a single NTSC 120 tape Recording is carried out at either 24 or 16 bits of res olution and digital data may be input at 16 20 or 24 bits of resolution Analog signals are converted to digital data using 64 times oversampling delta sigma techniques The DA 78HR builds on the foundations laid by the TASCAM DA 88 DA 38 and DA 98 digital multi track recorders and retains compatibility with them 16 bittapes recorded on one of the DA senes can be replayed and overdubbed on any other machine in the series or any DTRS machine 24 bit tapes can only be replayed in DA 78HR recorders 1 1 Unpacking The box contains the following e DA 78HR Digital Multitrack Recorder x 1 e Accessories Rackmount screw kit x 1 AC power cord 2 m 6 ft long x 1 his manual x 1 e Warranty card x 1 1 2 Features Other key features of the DA 78HR include e TASCAM exclusive high performance high wear resistive rotary 4 head mechanism with TASCAM original track layout DTRS standard Use of standard low cost media with long record ing and playback times 24 bit or 16 bit linear quantization ateither 44 1 kHz or 48 kHz provides CD quality sound or better Fast frame accurate tape location and positioning end to end winding for a 120 tape is around 80 seconds 1 DTRS is a trademark of TEAC Corporation 1 Introduction to the DA 78HR Direct digital synchronizat
118. n a digital studio 8 condensation 9 condensation dew 9 connections digital audio 17 crossfade time 41 65 cursor keys 22 D DA 38 47 DA 88 47 D A 08 47 DATA LEVEL knob 22 default values resetting 2 delaying tracks 39 dew warning 9 digital audio connections 7 digital dubbing 50 digital I O 16 DIGITAL IN OUT COAXIAL 16 digital input selection 29 Digital inputs and outputs 72 digital outputs synchronizing with timecode 55 dither 3 43 drum time 69 DTRS 10 emulation 45 models differences 47 synchronization 47 synchronization error messages 5 dubbing 50 E edit pan setting mode 40 editing location points 38 electrical considerations 9 emulation 45 enabling and disabling MMC 62 environmental conditions 8 error rates 68 external timecode 57 external timecode sources 57 F fast linear timecode LTC output 55 footswitch 16 18 formatting 27 50 frame mode 53 striped timecode 58 frame rate 53 ABS timing 52 G generating timecode 56 generator modes 56 grounding 9 H head cleaning 68 head time 69 HR mode 7 8 emphasis 8 ID see machine ID IF 88SD SDIF 2 digital audio converter 77 IF AE8 AES EBU digital audio converter 7 IF TAD ADAT digital audio converter 7 indirect word sync 9 individual clock mode 57 individual recording while chasing timecode 60 input patchbay routing 30 input selection 29 input timecode display 54 input word length 37 inputs and output specifications
119. ng is used thetape counter is used to show the output from the timecode source the generator when the timecode track is armed flashing when the tape is stopped and steady when the tape is running 9 5 3 Generator modes When the timecode generator is stopped using the sub menu command to restart the generator will either restart from the starttime as set in 7 or to con tinue from the time when it was stopped 1 Press the SHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows Ec r c TCG REC 2 Press the SUB MENU key so that the display shows EcL nad E TCG MODE briefly and then changes to the current setting 3 Use the A and W keys to choose between rESEE RESET resume start from set value and cant CONT continue from currently reached value 9 5 4 Synthesizing timecode from ABS timing When you are synthesizing timecode from ABS the tape counter display behaves differently from the way as described above The tape counter will not flash when the timecode track is armed and the tape is stopped and it will not display all hyphens since the timecode source is always available In this case you can start recording the timecode at any time before or after the tape has started moving TASCAM DA 78HR 56 9 Operations related to timecode 9 5 5 External timecode sources The following notes should help you when you must record timecode on the D
120. ng to record 28 5 2 2 Selecting a clock source 28 5 2 3 Write protecting cassettes 28 5 2 4 Recording the first tracks i 29 5 2 5 Recording the basic tracks ii 29 5 2 6 Replaying the first tracks 29 5 3 Input selection 29 5 3 1 Digital input selection 29 5 3 2 Input patchbay routing 30 5 3 3 Track bouncing 30 5 3 4 Returning to ALL ANAL OG setting 31 5 4 More on digital recording 31 5 4 1 Sampling frequency and word A uaa as 31 5 4 2 Selecting input word length 31 5 5 Overdubbing 31 5 6 Punch in and punch out 32 5 6 1 Automatic punch point setting 32 5 6 2 Setting punch points on the fly 32 5 6 3 Setting punch points using the front panel 2 rne ea ieri 33 5 6 4 Editing the pre roll and post roll Mesia nemine iena ali elia 33 5 6 5 Rehearsing the punch in 34 5 6 6 Interrupting a rehearsal or punch recording A 34 5 6 7 Recording the punch in 34 5 6 8 Replaying the punched material 34 5 6 9 Exiting punch in mode 35 6 Monitoring 6 1 ALL INPUT eene 36 6 2 AUTO MON 36 6 3 Shuttle monitor
121. nnector Output impedance 1000 Output level 2 0 V p p 12 2 7 MIDI connectors MIDI IN OUT THRU to MIDI standards 12 2 8 Remote control connectors Remote in Remote punch in out 8 pin DIN connector for use with RC 808 1 4 mono jack for use with optional RC 30P footswitch 12 Options specifications and reference 12 2 9 Physical specifications 482mm 19 0 in 456mm 18 0 in 95mm 0 4 in TIE m E dd inni ii SHE CELIO o VDE AC 8 wW Y 432mm 17 0 in i Size including feet 482 x 143 x 350 Mm wxhxd 19x5 6x13 8 in Weight 8 1 kg 17 8lbs 12 2 10Power specifications Power requirements USA Canada 120 VAC 60 Hz UK Europe 230 VAC 50 Hz Australia 240 VAC 50 Hz Power consumption 34 W Applicable Electromagnetic E4 Environment Peak inrush current 16 5 A 12 2 11Audio specifications 20 Hz to 20 kHz 0 5dB Signal to noise ratio gt 104 dBDTRS HR Fs 48kHz 22k LPF and gt 100dBDTRS A weight Frequency response 330mm 13 in 10mm 0 4 in w Dynamic range gt 104 dB DTRS HR Fs 48kHz 22k LPF andA gt 95 dB DTRS weight Total harmonic distortion lt 0 004 DTRS HR lt 0 005 DTRS Channel separation gt 90 dB at 1kHz Wow and flutter Unmeasurable 0 dBu 0 775 Vrms 0 dBV 1 0 Vrms Changes in specifications and features may be made without notice or obligation TASCAM DA 78HR 73 Index A F A aborting the format process 28 ABS and timecod
122. nput The monitoring of all other unarmed tracks can still be switched on a track by track basis using the tracks INPUT MONITOR switches The SHTL MON key is only enabled when AUTO MON is on When AUTO MON is off it has no effect 7 7 2 Shuttle muting As explained above shuttling the tape will usually allow off tape monitoring However there may be times when you will want to mute all off tape signals when shuttling This procedure is described in 6 4 Shuttle muting 7 8 Meter modes The DA 78HR peak bargraph meters can be custom ized to suit your working preferences Both the peak hold time and the ballistics of the meters can be adjusted 7 8 1 Peak hold time 1 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows 5Y5t En SYSTEM 2 Press the SUB MENU key until the display shows PE H La EE PK HLD xx peak hold with the current value for this setting 3 Use the A and W keys to change the value between U and 5 seconds or c nE CNT con tinue which will permanently display the maximum peak signal level T his can be useful if you are doing a dry run rehearsal but you cannot keep your eyes on the meters all the time that the rehearsal is going on To turn off the peak hold display if c nt has been set change the peak hold value to sec onds and the meter segments will drop back 7 8 2 Meter ballistics Use a similar
123. ns IMPORTANT for U K Customers DO NOT cut off the mains plug from this equipment If the plug fitted is not suitable for the power points in your home or the cable is too short to reach a power point then obtain an appropriate safety approved extension lead or consult your dealer If nonetheless the mains plug is cut off remove the fuse and dispose of the plug immediately to avoid a possible shock hazard by inadvertent connection to the mains supply If this product is not provided with a mains plug or one has to be fitted then follow the instructions given below IMPORTANT The wires in this mains lead are coloured in accordance with the following code GREEN AND YELLOW EARTH BLUE NEUTRAL BROWN LIVE WARNING This apparatus must be earthed As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN or GREEN and YELLOW The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED When replacing the fuse only a correctly rated approved type should be used
124. ntrol unit replay will start automati cally when the location point is reached 7 2 Repeat function You can repeat playback continuously between the two location memory points Memo 1 and Memo 2 When we talk about the first and the second loca tions here we are referring to the earlier and later location times Memo 1 could be at a later time than Memo 2 and hence we would refer to itin this sec tion as the second location point The tape will wind to a little before the first point if it is not there already and start playing The off tape monitoring will start at the first memory location and continue until the second location is reached The tape will then stop playing and rewind to a little before the first point and start playing again 7 2 1 To start repeat play 1 When the two location points have been set press the REPEAT key 2 The tape will locate to the first location point and start playing until the second location point rewind to the first location point and play again This process will be repeated While the tape position is between the two location points the REPEAT indicator will be lit steadily It will flash while the tape position is outside the two location points 3 Stop the repeat function by pressing the REPEAT key the REPEAT indicator will go out If the tapeis playing it will continue playing past the second location point If the tape is rewinding to the firs
125. nute or longer tapes in DTRS machines as the machine will detectthe thickness of tape and automatically eject any tape thinner than recommended Never attempt to use a tape with the DA 78HR that has previously been used in video equipment You cannot cut and splice DTRS 8mm tapes for edit ing purposes Using a spliced tape in the DA 78HR will invariably result in serious damage to the heads requiring replacement All editing must be done digi tally 1 5 2 Available recording and playback time Depending on whether the tape has been purchased for use with an NTSC P6 E6 or a PAL SECAM P5 E5 television system the same length of tape as far as video length is concerned will provide differ ent times for audio work as shown below due to di f ferent frame rates between television systems The 1 Introduction to the DA 78HR indication P6 E6 or P5 E5 will be printed on the tape package bed ontape P6 E6 NTSC P5 E5 PAL HE 2000 io sac TASCAM DA 78HR 11 2 Front and rear panel features 12 TASCAM DA 78HR 2 Front and rear panel features 2 1 General controls and indicators Power switch Turns the power to the DA 78HR on and off When the DA 78HR is turned off settings will be retained in memory Tape loading slot and EJECT key Only use Hi8 ME or MP tapes as specified in 1 5 Recommended tapes The DA 78HR will automat ically eject all other tapes Do not use a
126. o are explained below 4 2 4 Shifted keys Some keys of the DA 78HR perform two functions labels associated with the key For instance the LOC 1 locate to memory position 1 key has the alterna tive shifted function marked as MEMO 1 store the current time into memory location 1 When the SHIFT key is pressed and held down and one of these keys as described in the relevant part of this manual is pressed the shifted function will be performed The two keys can then be released in either order either the SHIFT key or the other key can be released first 4 2 2 Shift mode By contrast pressing the SHIFT key alone and releas ing it will place the unit into shift mode The SHIFT indicator flashes to show this Pressing any of the two function keys while the unit is in shift mode will automatically enter the shifted function While the unit is in shift mode pressing the SHIFT key once again will turn the indicator off and exit SHIFT mode Note however that pressing and holding the SHIFT key and pressing another key to access the shifted function of that key will not affect the current shift mode 4 Menu interface etc 4 3 Menus and sub menus When the unit isin shift mode the REPEAT MENU key is the gateway to the menus This key is used to show the top level groups of the menu tree 5Y5 En SYSTEM Basic system parameters and functions Audio l AUDIO1 Parameters affecting t
127. o chase the timecode When it is locked to the incoming timecode the CHASE indica tor will light steadily The timecode frame rate used on the DA 78HR must match the frame rate of incoming timecode 9 3 Selecting the frame mode If they do not match the DA 78HR will not chase to timecode Check the frame rate of the incom ing timecode at the source and of the timecode recorded on the DA 78HR s tape The timecode used internally by the DA 78HR does not have to be an actual timecode striped tape Instead time code can by synthesized from the ABS subcode timings as described in 9 2 Tape timecode mode The exact ways in which it chases the timecode and handles transport functions etc are determined by a number of settings as described below 9 6 2 Timecode offset WhenaDA 78HR isa timecode slave you may enter an offset for the audio from the DA 78HR to match the audio or video sequence from the timecode master As with the machine offset 8 3 Machine offset you can either set this manually entering the num bers or set it on the fly by ear In either case once the offset has been entered it can then be edited The offset can be set to subframe or sample accuracy 4 3 6 Sub frame values The way in which the timecode offset is set is exactly the same as for a machine ABS offset except that the DA 78HR must first be set up as atimecode slave as described above 9 6 1 Machine ID
128. o the sequencer The same effect could be achieved with the intelligent use of filtering mechanisms 10 MIDI control 10 2MMC Bit Map Array Commands unavailable on the DA 78HR are struck through as for ia RECORD PAUSE arces GRECO 514009 503000 zone BETA 800 05 02 01 00 ms REWIND PET mm PLAY STOP reserved T E F S PLAY 00 09 NIA 07 Mc QUSE run PAUSE RECORD EXIT RESET Se E D i SI i i AAA A ALII e e Elus luem LA E Pen NIAE cut PORE Ts PLAY 49 ADD WE iu Edi T EE Wo Si o EVENT Sn ih VARI PLAY SE ENT po pe REC BE VARIABLE 63 TASCAM DA 78HR 10 MIDI control CO CALI LI LI zt run oro iu bck ERES ED T TIME CODE DEVIATION OFFSET TIME CODE 0D 00 0A 09 08 GP5 GP4 ue GP2 GP1 GPO LOCATE sal 25 Short dt GENERATOR LOCK REQUIRED SELECTED SELECTED TIME CODE DEVIATION OFFSET MASTER TIME CODE TET 28 Soie mom Short GPO LOCATE al seem EREA COMMAND COMMAND mom nm SIGNATURE ERROR ERROR ERROR RATE LEVEL 19 48 49 VELOCITY MOTION SELECTED TALLY CONTROL TIME CODE TALLY USER BITS 50 TRACK INPUT SIE GLOBAL MONITOR MONITOR MONITOR SA 59 56 55 GENERATOR CHASE RESOLVED FIXED PLAY COMMAND MODE PLAY SPEED TALLY MODE REFERENCE SE 3D 50 MTC GENERATOR GENERATOR COMMAND YSERBHS SETUP TALLY 63 61 60 SILE RES EVENT PROCEDURE RESPONSE RESPONSE 77 v5 RESUME 6D TASCAM DA 78HR 64 10
129. of the time counter will light Alternatively if both of these are lit the unit will serve as the word clock master in the audio system Remember that there must be one and only one word clock master unit in a digital audio system 5 2 3 Write protecting cassettes You cannot record on a cassette where the write pro tect tab has been closed write protected Hi8 cassette write tabs work in the opposite manner to DAT cassettes and closed means write protect If the tape is write protected eject the tape open the write protect tab replace the cassette and try again e Sony Hi8 cassettes and those from some other manufacturers have the words S AVE write pro tected and REC write enabled mol ded into the cassette shell by the protection tab 5 2 4 Recording the first tracks i 1 Arm the tracks on which you wish to record Press the REC FUNCTION key of these tracks the indicator will start flashing 2 Adjust the input signal levds so that the track meters read high but the OVER segment does not light 3 Hold down the RECORD key and press the PLAY key The tape will start moving and recording will start The REC FUNCTION indicators of all armed tracks will light steadily When you start recording the point at which recording starts is automatically stored into memory for punch in purposes 4 To stop recording and stop the tape press the STOP key You can also press the PLAY key whi
130. on between the DA 78HR and other suitabl y equipped units for instance sequencers capable of being synchronized to MTC and capable of transmitting MMC commands The MIDI parameters are set through the menu system see 10 MIDI control Note the difference between MIDI OUT and MIDI THRU The OUT connector outputs signals which originate from the DA 78HR The THRU connector echoes messages received at the IN 18 TASCAM DA 78HR 3 2 3 Timecode connections The DA 78HR can be synchronized to externally generated timecode and is also equipped with an internal timecode generator SMPTE EBU timecode can be received at the TIME CODE IN RCA jack and can be transmitted from the TIME CODE OUT RCA jack See 9 Operations related to timecode for details 3 2 4 MIDI timecode connections The three MIDI connectors IN OUT and THRU con form to the MIDI standards for such connectors 3 3 Connection to other TASCAM units By a TASCAM unit we mean another DA 78HR a DA 98 DA 88 or a DA 38 unit or an optional remote control unit which may also be connected in a chain with multiple DTRS units 3 3 1 REMOTE IN This jack on the rear panel can be used to connect a remote control unit such as RC 808 remote control unit Basic control can be carried out using this unit but more advanced operations will not be possible 3 3 2 Footswitch A footswitch such asthe optional TASCAM RC 30P footswitch can be connected to
131. ons described below Any shuttle monitoring while ALL INPUT s on will always be source monitoring The shuttle monitor mode has no effect when AUTO MON is off When the AUTO MON and shuttle monitoring are both on the output from all armed tracks will be the source input If AUTO MONis on butshuttle monitoring is off all armed tracks will monitor off tape in shuttle mode You can also disable off tape shuttle monitoring with the Shuttle Mute function 6 3 Shuttle monitor Shuttle monitoring is attenuated by 12 dB compared with other monitoring modes This helps to avoid damage to tweeters etc when shuttling fast 6 3 1 Enabling and disabling shuttle monitoring 1 Press the SHIFT key sothat the SHIFT indicator is flashing 2 Press the MENU key until the display shows Aud 10 Z AUDIO2 3 Press the SUB MENU key until the displa y shows SHEL non SHTL MON x wherex can be on or Z off 4 Usethe A or V key to change the value to shuttle monitoring enabled or shuttle monitoring disabled 6 4 Shuttle muting It may be sometimes desirable to mute off tape out put when shuttling The shuttle mute function allows you to do this 1 Press the SHIFT key so that the SHIFT indicator is flashing 2 Press the MENU key until the display shows Aud in amp AUDIO2 3 Press the SUB MENU key until the display shows SHEL nut SHTL MUT x where x can be on or J off 4 Usethe A or
132. orders However the use of the DTRS logo on the tape pack aging does not imply any endorsement of the tape by TASCAM It is possible that the characteristics and sensitivities of tapes may be changed by the manu facturers without notice The brands and model num bers of tapes listed below may not always meet the specifications required by DTRS systems for opti mum performance TASCAM assumes no responsi bility for problems resulting from changes made by a manufacturer to the materials or specifications of its tape products The electrical characteristics of DTRS recorders are adjusted and set using Sony Hi8 tape parameters MP and ME prior to shipment 1 5 1 Tape brands The following brands and models of tape can be used with the DA 78HR As mentioned above this list does not constitute any endorsement by TASCAM of these products nor is it a guarantee that tapes bearing 10 TASCAM DA 78HR this brand and model name will continue to give opti mum performance age Er A sr pera mme O Mes pps ma me powa The electronics of DTRS recorders are designed to operate within specific parameters The use of atape with sensitivity higher or lower than that of tapes for which the DTRS recorder was originally designed may cause an error in functionality or prevent the user from getting optimum performance from the tape Always use the shortest possible tape fora given project Do not attempt to use 150 mi
133. ors light You may use this setting if other digital audio devices are to be word clock slaves or if the input signals are analog DIGITALIN this refers to the S PDIF COAXIAL input Use this if the recording source is to be received here and the source device is a word clock master SYNC IN this cannot be set using the CLOCK key but occurs automatically when the DA 78HR is being controlled from another DTRS unit and the REMOTE IN SYNC IN connection has been made see 8 1 Synchronization connections Neither the WORD nor DIGITAL IN indicators will light at this time 5 Basic operations 5 1 2 Formatting While formatting is proceeding you cannot perform any other transport operation except stopping the tape You cannot change the sampling rate or the bit reso lution while formatting is in progress 1 Switch on the DA 78HR and load a tape into the tape loading slot As the tape is loaded and threaded the tape counter shows Serb ages For details of tapes that you can use in the DA 78HR see 1 5 Recommended tapes 2 Press REW to take the tape to the beginning and stop the tape 3 Press the FORMAT FS key The display shows Far HE FORMAT 4 Press the FORMAT Fs key again within 5 sec onds The display will then show a flashing followed by all dashes F If you do not press the FORMAT Fs key twice within 5 seconds the For At message will dis appear This is a feature designed to stop y
134. ou formatting a tape accidentally If you do press the FORMAT Fs key twice and you then change your mind about formatting the tape use either the CLEAR orSTOP key to cancel the operation 5 Select the sampling frequency either 44 1k Hz or 48kHz using the FORMAT Fs key The sampling frequency that you select depends on the eventual use for the recording For audio work selecting 44 1kHz will allow you to produce CD master tapes with no fre quency conversion If a digital signal is received at the DIGITAL I O jack or at the SPDIF COAXIAL input the DA 78HR s recording and playback sampling frequency is auto matically determined by the sampling frequency of the input signal and you cannot change it 6 Select the recording mode using the HR MODE key When HR mode 24 bit recording is selected the HR indicator to the left of the time counter will light Remember that if HR mode is selected the tape must be replayed on an HR DTRS TASCAM DA 78HR 27 5 Basic operations recorder Of course a non HR 16 bit record ing made on the DA 78HR can be replayed on any DTRS recorder 7 Tostart formatting the tape hold down the REC ORDkey and press the PLAY key The tape counter may show a negative ABS time for a shortwhile at the startofthe formatting process While it is displaying a negative value no audio recording can take place 8 The tape will format to the end and then rewind automatically You are now ab
135. pecifies that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical Example of Antenna Grounding as per National Electrical Code ANSUNFPA 70 ANTENNA I LEAD IN WIRE GROUND CLAMP ANTENNA DISCHARGE UNIT NEC SECTION 810 20 ELECTRIC SERVICE EQUIPMENT GROUNDING CONDUCTORS NEC SECTION 810 21 GROUND CLAMPS POWER SERVICE GROUNDING 4 7 ELECTRODE SYSTEM NEC ART 250 PART H NEC NATIONAL ELECTRICAL CODE 15 Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges 16 Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be taken to keep from touch ing such power lines or circuits as contact with them might be fatal 17 Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in risk of fire or electric shock 18 Object and Liquid Entry Never push objects of any kind into this product through openings a
136. racks by this method 8 5 Synchronized formatting When several units are connected together you can format several tapes simultaneously using one machine as the master This can be a very convenient way of saving time and effort 1 Make sure that all machines are connected together using the SYNC connections as described above and that the last unit in the chain is terminated 2 Load a blank unformatted tape into each DTRS unit Make sure all tapes are the same length 8 Synchronization with other DTRS units 3 Press the CHASE key on all of the slave DTRS units The indicator will flash 4 Press FORMAT Fs twice within five seconds on each of the DTRS units master and all slaves so all machines are ready to start formatting If you press the CLEAR key while the FORMAT indicator is lit steadily you will cancel the for mat operation 5 Select the same sampling rate 48 kHz or 44 1 kHz on each DTRS unit Any slave DTRS unit which has a different sampling frequency selected from that selected on the master will display an error message 6 Press andhold PLAY and press RECORDon the master All slave units CHASE indicators will light steadily and the tapes will start to be formatted in synchronization 8 5 1 Recording while formatting As with a single machine format 5 1 4 Recording while formatting it is possible to record while for matting on multiple machi nes You may want to use this feature w
137. repair use the original packing materials if possible If the unit is to be transported to a recording location etc use a suitable transport case with sufficient shock protection TASCAM does not accept responsibility for damage resulting from neglect or accident 1 4 4 Installing the DA 78HR The DA 78HR may be installed in a standard 19 rack occupying 3U of space Since the DA 78HR is quite heavy around between 7 and 8 kg about 16 Ib your rack should be strong and stable to take the weight of the DA 78HR The DA 78HR should be mounted with the front panel vertical 1 4 5 Electrical considerations Make sure that your local power supply matches the voltage requirements marked on the rear panel of the DA 78HR If you are in any doubt concerning the local power supply consult an electrician Avoid extreme voltage fluctuations If necessary use an input voltage regulator to smooth the power sup plied to the DA 78HR Do notopen the unit to clean inside or to perform any internal adjustments You should not attempt any cleaning or other maintenance procedures which are not described in this manual You may need to clean the heads occasionally The procedure for doing this and for checking tape error rates etc is given in 11 1 Head and transport cleaning 1 Introduction to the DA 78HR 1 4 6 Three core power cord In order to maintain the best possible audio quality the DA 78HR is supplied wit
138. s they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the product 19 Servicing Do not attempt to service this product yourself as open ing or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel 20 Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions 8 when the power supply cord or plug is damaged b if liquid has been spilled or objects have fallen into the product C if the product has been exposed to rain or water d if the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation e if the product has been dropped or damaged in any way f when the product exhibits a distinct change in performance this indicates a need for service 21 Replacement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other haz
139. t equipment and should be performed only by qualified service personnel Every 1000hours A complete alignment check should be every third performed cleaning The above cleaning cycle timings are based on the assumption that the DA 78HR is being operated in a clean environment A dusty or smoky atmosphere will shorten the time between cleaning operations Most name brand tapes are of very high quality How ever it is sometimes possible to receive bad stock which exhibits excessive shedding characteristics If you receive such tape stock stop using it immedi ately and follow the cleaning procedure as described below 11 1 1 To clean the heads and transport 1 Press theSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the 68 TASCAM DA 78HR display shows nf in n MAINTN maintenance 2 Press the SUB MENU key until the display briefly shows ci n CLEN xxxx fol lowed by cL En oF F CLEN OFF Here the Xxxx represents the number of times cleaning has been performed 3 Usethe A key to change o FF to on ON If a tapehas already been loaded it will auto matically be ejected Pressing W at this point will show the previous display 4 Insert the cleaning tape The cleaning tape will play for about 5 sec onds the display will show cLEAn inh CLEANING and then be ejected automati cally The cleaning counter number of times the heads have been cl
140. t ID number 3 Usethe A and V keys to change the ID to a value between and 7 1 making sure that this is unique in your setup You can also select the default value of AL L ALL which allows the DA 78HR to accept all MMC commands transmitted over the MIDI network 62 TASCAM DA 78HR Set the MIDI ID using the method described immedi ately above The MMC commands used by the DA 78HR are listed in this section 10 2 MMC Bit Map Array 10 1 2 MMC commands and the DA 78HR An example of a MIDI sequencer being used to con trol a DA 78HR using the auto punch of the sequencer to punch in and out on the DA 78HR tracks is given below Note that the sequencing soft ware must be able to transmit MMC commands and also to sync to MTC for this to be effective MOIN keyboard events MDI N 1 MTC MDI OUT 1 MMCcammands MIDI OUT 2 musical data MIDI OUT MTO RI sas O The sequencer is set upto transmit MMC commands and is set so that 1t synchronizes to SMPTE MTC When a transport command is given from the sequencer the appropriate MMC command is trans mitted to the DA 78HR When the DA 78HR has located and starts playback or recording the MTC 1s transmitted back to the sequencer which locks in and starts at the correct point In this way though the DA 78HR is the timecode master the sequencer is the transport master The arrangement shown here uses 2 inputs t
141. t location point when the REPEAT key is pressed it will stop The two location points must be at least 5 seconds apart for the repeat facility to be operational if you attempt a repeat operation when they are closer together than this the display showstoo nEFr TOO NEAR 39 TASCAM DA 78HR If you have only set one location point the repeat will be between 00 00 00 00 and the location point Pressing any transport control while repeat play is in progress will stop the replay but will not cancel the repeat mode To restart the repeat playback locate to either location point and while the tape is winding press PLAY Alternatively press PLAY while the tape is before the second location point 7 3 Track delay The DA 78HR allows you to delay tracks relative to the other tracks either when recording or playing back You can use this function for post producti on slip compensate for delays caused by external pro cessing equipment allow for propagation delay in multi microphone sessions or add special effects The track delay can be set from 200 samples to 7200 samples A negative number means that the track on which the delay setting is made is advanced in time relative to the other tracks How ever this does not mean that the DA 78HR includes a time machine Since the monitoring head is a vir tual head made of a composite of delayed off tape and input source signals the position of the record ing h
142. t repeat mode and the value of the parameter changes faster 4 3 4 Resetting parameters to default values To reset a parameter value to the default value press and hold down the A key and immediately after wards press the W key or vice versa 4 3 5 Left and right keys When editing time values etc itis useful to be able to edit one particular element i e hours minutes seconds or frames of the time value The cursor is indicated by a flashing dot following the field currently being edited There are no dedicated left and right cursor keys Instead when the unitis in menu mode pressing and holding the SHIFT key and pressing the A key will have the effect of a left cursor key Likewise pressing and holding the SHIFT key and pressing the W key will have the effect of a right cur sor key It should be noted that there is an invisible field to the right of the frames field This allows the whole of the displayed value to be incremented not justthe highlighted field In other words frame values etc will roll over and increment the next field to the left In this mode there is no flashing dotto indicate the cursor Repeated presses of these keys will allow the editing of the following fields in order Hours Minutes Seconds Frames Frames with increment of whole time value Sub frames percentage Sub frames percentage with incre ment of whole time
143. tape When the DA 78HR is in shift mode this is used to set pre and post roll times 5 6 4 Editing the pre roll and post roll times and 7 1 3 Setting the loca tion pre roll time VARI SPEED PITCH key and indicator Used to set the varispeed pitch amount and to turn the function on and off see 7 6 Vari speed pitch control ALL INPUT v key and indicator This key is used to switch the monitoring mode so that the outputs mirror the inputs see 6 1 ALL INPUT AUTO MON A key and indicator This key is used to change the monitoring mode to change automatically in punch operations see 6 2 AUTO MON In menu mode and when editing parameters this acts as a key to select and change increment parameters When used with the SHIFT key it acts as a cursor key TASCAM DA 78HR 14 2 Front and rear panel features REPEAT MENU key and indicator This key is used to provide a repeat function between the two location points see 7 2 Repeat function When the DA 78HR is shift mode it allows selection of the top level menus see 4 3 Menus and sub menus CHASE SUB MENU key and indicator This key is used to set the DA 78HR to a slave chase mode either to another DTRS unit or to timecode see 8 2 3 Master slave settings CHASE mode and 9 6 Chasing to timecode When the DA 78HR is in shift mode it allows selec tion of the s
144. that the DA 78HR is in rehearsal learn mode 4 Rewind the tape to before where the punch is to occur 5 Start playing the tape press PLAY You will monitor the off tape signals 6 Atthe point where the punch is to occur press RECORD The RECORD key will flash and the REC FUNCTION indicator of any armed tracks will light steadily Monitoring will change to input source recording for these tracks If you do not want to change to source monitoring on the punch track s between the punch points when setting the points do not set the REC FUNCTION on for these tracks Atany time when the RHSLindicator is lit or flashing this means that recording will not actually be carried out even if the RECORD key and or the REC FUNCTION indicators are lit 7 At the point where you want to punch out press PLAY The REC FUNCTION indicator of any armed tracks will start flashing again The RECORD key will go out Monitoring of these tracks will return to off tape status 8 After the post roll period the tape will return to the pre roll point the punch in point minus the pre roll offset The RHSL indicator will now light steadily showing that the DA 78HR is in rehearsal mode If you need to trim these punch points to sub frame accuracy you can do so using the procedure described in 5 6 3 Setting punch points using the front panel below If you want to alter the pre roll and post roll times see 5 6 4 Editing the pr
145. the REMOTE PUN CH IN OUT jack on the rear panel This foots witch allows hands free punch in and punch out When a track or track is armed and the unit is in play mode pressing the footswitch once will drop the unit into record mode and pressing it again will drop it back into play mode The footswitch rather than the transport keys can also be used to set punch points as described in 5 6 Punch in and punch out 3 3 3 Multiple DTRS units Use a TASCAM PW 88S cable when connecting other units to the REMOTE SYNC IN connector or to the SYNC OUT connector This synchronization cable will carry the internal synchronization code and the transport signals etc There is no need to make any other connections apart from the audio connections either digital or analog If more than one DTRS unit is to be used the first unit in the chain must have its Machine ID set to 1 0 in the case of DA 88s and subsequent units must have their IDs set in order with no gaps in the numbering sequence Note that the diagram below does not show any audio connections Machine ID 1 master Machine ID 2 slave 1 Machine ID 3 slave 2 PW 88S PW 88S Termination plug See 8 2 Machine ID and master slave settings for details of setting the Machine ID using the menu system The last unit in the chain must be terminated a TASCAM termination plug must be plugged into the SYNC OUT of the last machine in the cha
146. the display briefly shows dr un E in DRUM TIM drum time The display then changes 3 Usethe A and V keys to choose between D xxxx total drum time and D S xxxx drum search time xxxx represents the time in hours shown beside the appropriate parameter 11 2Backup memory initialization The DA 78HR includes non volatile memory NVRAM which preserves almost all user settings after the power is turned off To reset these settings to their default values defaults are listed in 4 Menu interface etc 1 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows nH inEn MAINTN maintenance 2 Press the SUB MENU key until the display shows in it INIT 3 Press either A or V to change the display to show r E Hd Y READY 4 Press either A or V once again to initialize all the stored parameters to the factory settings The unit will show don DONE and will re start as if power had just been turned on 11 3Checking version numbers In case of problems you may need to quote the ver sion number of the DA 78HR s intemal software components to a TASCAM representative There are three major components of the DA 78HR s internal software system front panel and servo Each of these can be checked independently 1 Press the SHIFT key sothat the SHIFT indicator is flashing and press the MENU key until the display shows AA inEn MAINTN
147. til the display showsntc on MTC ON or atc of F MTC OFF 3 Usethe A and V keys to change the setting to the required value on or off To set the MTC output when fast or stopped 2 Press theSUB MENU key until the display shows either H 5L nt c FAST MTC or StoP ntc STOP MTC followed by the cur rent setting an or oF F 3 Usethe A and V keys to change the setting to the required value on or off If MIDI is turned off using the MIDI menu 10 1 MMC enable and disable MTC output is also disabled 9 4 5 Fast linear timecode LTC output The Fast L IC function controls the way in which timecode is output when fast winding the tape or if shuttling is carried out at greater than normal play back speed 1 PresstheSHIFT key so that the SHIFT indicator is flashing then press the MENU key until the display shows c TC 2 Press theSUB MENU key so that the display shows H t Lic FAST LTC briefly and then changes to the current setting 3 Usethe A and W keys to make the appropriate setting There are three settings The 57r n 5 FRM setting means that timecode information is not output continuously Here the DA 78HR reads the timecode from the tape as itis spooling outputs 5 consecutive frames at normal speed starting with the value which has been read from tape then reads the tape again outputs another 5 consecutive frames based on the new tape position and so on The L ERP LEAP setting
148. tings 4 1 The display The DA 78HR s menus and their options are dis played using the time counter Since the display is composed of 7 segment LED counters a special alphabet is used to show the letters of the alphabet The characters on the DA 78HR time counter are shown as in the table below my a This is a lowercase x used to denote an unknown value When a menu item or a value is given in this manual we show itin the following way PU HLd PK HLD Notice also that because there are not many character positions on the time counter the English menu titles etc may be abbreviated sometimes 4 1 1 Peak meters In addition to the time display the bargraph meters are sometimes used to show a value For example in the stereo sub mixer settings the meters act as a bar 20 TASCAM DA 78HR graph display to show the fader settings of the track levels Typically the higher the value of the parameter the more segments of the meter are lit at minimum val ues no segments are lit at maximum values all seg ments are lit Pressing and holding SHIFT and pressing any REC FUNCTION key in these editing modes willtoggle the meters between data value display and the normal meter display 4 2 The SHIFT key The SHIFT key serves two functions first to modify the action of another key when the SHIFT key is pressed and held while the other key is pressed and secondly to enter shift mode These tw
149. tion Selects digital audio source for tracks 7 and 8 only in PRECH ALL ANALE all 5 3 Input selec input patch analog ALL tion dGEL all digital individual track s Values Ed if eu el 1 5 4 2 Selecting TDIF input word length Input digital word length of F rEct rect 7 11 1 Selecting angular x tri dither settings angular Dither noise shape 4 Menu interface etc 4 7 TC menu Lo rEc nutE LL ALL oFF ALL an or individual tracks on or of F Rec mute function 4 6 AUDIO2 menu 7 10 REC MUTE recording silence rec mute DO 8 1 i NUDO IO E This menu provides addi tional audio parameter settings n Lu 10 through 298 crossfa 7 5 Crossfade in 10 ms incre times ments Crossfade time for punch etc out PAtcH nor nfiL nor 7 122 Output output patching mal oras set patchbay Output patchbay out b i Ib 2u 7 124 Output output word word length length word length of digital output SHEL fon 2 off on 6 3 Shuttle moni shuttle monitor to Shuttle monitor function SHEL nut 8 off on 6 4 Shuttle mut shuttle mute ing Shuttle mute function abc oFF 440 IP 7 9 Sine oscilla tor oscillator 1k Line up oscillator The following parameters are used to control timecode operations Ec Ert TC track conu converted 765
150. tput patchbay to the normal state Trackg The meters display the current Track7 assignments of tracks to the output Hoe channels In this case each meter Track4 Shows the assignment status of the Track3 correspondingly numbered output Track 2 as channel not track as shown here Track 1 Press SHIFT and one of the REC FUNCTION keys as described in 4 1 1 Peak meters to toggle this meter mode off andon The default at power on is for this mode tobe on 8 O eum ecm 2 7 13Emulation The DA 78HR can be set to emulate other DTRS types when interrogated by an RC 898 remote con trol unit or other remote control devices such as the controllers on the TM D series of TASCAM digital mixers 1 PresstheSHIFT key so that the SHIFT indicator is flashing and press the MENU key until the display shows nf inkn MAINTN 2 Press theSUB MENU key until the display briefly showsdEu t PE DEV TYPE fol lowed by the current setting 3 The default is naturally dA HH but you can use the A and W keys to select any of the following dA AF DA 88 post V4 with S Y 88 fitted giving all timecode functions when work ing as a slave with ID 2 or greater dA 38 DA 88 pre V4 with track copy and d 98 DA 88 pre V4 None of these emulations provides full control of all facilities available on the DA 78HR from the remote control unit If the remote control unit does not sup port the DA 78HR select dfi 44 as
151. uality of sound as art and we obviously cannot guarantee that A company that makes paint and brushes for artists cannot say that the paintings made with their products will be critically well received TASCAM can make no guarantee that the DA 78HR by itself will assure the quality of the recordings you make Your skill as a technician and your abilities as an artist will be significant factors in the results you achieve ID SEL xx where xx is the 1 4 Precautions and recommendations As with any precision piece of electronic equipment common sense precautions apply with the DA 78HR However there are a few extra precautions which apply to the DA 78HR and we suggest that you make a note of these to prolong the useful life of the DA 78HR 8 TASCAM DA 78HR 1 4 1 Clocksourceina digital studio The DA 78HR can be used in a variety of situations and with a variety of equipment either digital or ana log If you are working with more than one digital audio unit in your setup you should note that all units must be driven by the same central clock source word clock or word sync If different word clock sources are used throughout the setup it is actually possible to damage speakers etc because of mismatches The DA 78HR can be designated as the word clock master for your studio or can be slaved to external word clocks using a convenient front panel switch and standard BNC connectors Even thou
152. ub mixer settings See 4 3 7 Using the DATA LEVEL knob to set values and 7 4 Sub mixer for details 2 3 System control keys The following keys all provide access to more advanced functions of the DA 78HR Many of them are also used in the menu system to view and set sys tem parameters See 4 Menu interface etc for details Many of them also serve two functions as shown by the blue shifted legends below the unshifted leg ends shown here in parentheses See 4 2 The SHIFT key for details 2 Front and rear panel features SHIFT key and indicator Controls the behavior of the other keys see 4 2 The SHIFT key for details RHSL DELAY key and indicator This key and indicator allow selection of the rehearsal mode in auto punch in and out 5 6 Punch in and punch out When the DA 78HR is in shift mode this key allows the setting of track delays 7 3 Track delay AUTO IN OUT OFFSET key and indicator This key and indicator allow automatic punch in and punch out following rehearsal 5 6 Punch in and punch out When the DA 78 HR is in shift mode this key allows the setting of chase offsets 8 3 Machine offset and 9 6 2 Timecode offset 9 CLEAR PRE ROLL key This key defeats the rehearsal and auto modes during auto punch in and out see 5 6 Punch in and punch out It can also be used to cancel a format operation 5 1 Formatting a
153. value lt Sub frames samples Sub frames samples with increment of whole time value Hours etc The right cursor key SHIFT W moves forward through the list and the right cursor key SHIFT A moves backward The sub frame displays in italics above are explained in the section below 4 3 6 Sub frame values 4 3 06 Sub frame values There are two ways of representing sub frame val ues as percentage subframes or as samples When sub frames are displayed as percentages the minimum displayed value is always UL and the max imum displayed value is gg 4 Menu interface etc When displayed as a sample value the number of samples per frame varies according to both the sam pling rate and the frame rate currently selected Sampling frequency gt wwe aen O AA e e pe de a 1e 9 ee e When moving around a time value in the way described above moving the cursor past the frames field will change the display to a sub frame display A sub frame display shows SF SF followed by either the 2 digit representation of the percentage subframe value 5F EE or the 4 digit representation of the sample value 5 There are four modes of sub frame display Percentage Percentage with increment of whole time value Samples e Samples with increment of whole time value In the two display modes where there is an increment of the whole time value there is no dot
154. when the post roll point is reached the tape will rewind to the pre roll point 4 The AUTO IN OUT indicator will light steadily showing that the DA 78HR is now in replay mode 5 6 8 Replaying the punched material 1 Toreplay the punch in press the PLAY key Playback will start the REC FUNCTION indi cators of the armed tracks will continue to flash 2 Atthe post roll point the tape will automati cally rewind to the pre roll point 3 Ifyouwantto record the punch in again press the AUTO IN OUT key so that the indicator flashes and repeat the process described above If you are satisfied with the punch in follow the steps below otherwise press LOC 1 to return to the punch in point press the AUTO IN OUT key so that the indicator flashes and repeat the take 5 Basic operations 5 6 9 Exiting punch in mode 1 Disarm any armed tracks press the REC FUNCTION switches so that the indicators go out Press the CLEAR key This will exit the AUTO IN OUT or rehearsal mod e The LOC 1 and LOC 2 keys will return to their usual functions but the punch points are still retained in memory Press the AUTO MON key so that the indicator goes out Normal monitoring modes will now be in oper ation see 6 Monitoring TASCAM DA 78HR 35 6 Monitoring We strongly advise you to read this section the effective use of multitrack monitoring is one of the keys to an efficient recording session Like
155. x where xxxx is the abbrevia tion for the frame mode of the timecode striped on the tape If no timecode has been striped on the tape the display shows EAFE TAPE 9 6 Chasing to timecode The following sections describe the operation of the DA 78HR when chasing to external timecode The operation of the CHASE key is similar to the way the CHASE key is used when synchronizing DTRS units but in this case the machine ID is not used 9 6 1 Machine ID and timecode Since a DA 78HR with machine ID set to 1 is always a master unit as regards DTRS sync operation there is no need to make any setting on such a machine if it is to be a timecode slave As long as timecode is received at the TIME CODE IN connector a unit whose machine ID is setto 1 will automatically enter timecode chase mode when the CHASE key is pressed However when a DA 78HR unit has its machine ID setto a value other than 1 there is a conflict when the CHASE key is pressed You must determine whether the chase mode refers to timecode or to the DTRS sync and this is done using the Time Mode menu 9 1 3 Selecting TC or ABS timing If Hb 5 is selected when CHASE is pressed the machine will enter DTRS sync mode but if Ec is selected the machine will attempt to lock to external timecode When the DA 78HR is in chase ready mode the CHASE indicator is flashing and timecode is received at the TIME CODE IN connector the DA 78HR will start t
156. y Frame mode fps Display 30 non drop Jind 30ND 30 drop 3lidF 30DF 29 97 non drop Ind 29ND 53 TASCAM DA 78HR Frame mode fps Display 29 97 drop default 29dF Q9DF 25 25 25 24 24 24 When using the DA 78HR to chase to a timecode master the system frame mode on the DA 78HR must match the frame mode of the timecode master otherwise chase operations are not possible The system frame mode is automatically set when a tape which has been striped with timecode is inserted or if power is switched on with a striped tape already inserted in the unit The frame mode recorded on the tape will be used as the system frame mode However the system frame mode may be changed following the procedure below The system frame mode will determine the type of timecode output even if it differs from the tape time code the type of which can be viewed as described in 9 5 8 Checking the frame mode of striped time code The DA 78HR also outputs timecode synthesized from the ABS code CONV ABS as described in 9 2 Tape timecode mode using the frame mode set here The DA 78HR s internal timecode generator also uses this frame mode when generating timecode To change the system frame rate 1 Press the SHIFT key so that the SHIFT indicator is flashing and press the MENU key until the displays shows c TC 2 Press the SUB MENU key until the display briefly shows r n nod FRM MODE fol lowe
157. y oic eterne 20 4 1 1 Peak meters 20 4 2 The SHIFT key 20 4 2 1 Shifted keys sss 20 4 2 2 Shift mode eee 20 4 3 Menus and sub menus 21 4 3 1 Exiting menu mode 21 4 3 2 Sub menwus cese 21 4 3 3 Adjusting parameter values 21 4 3 4 Resetting parameters to default VA rara 21 4 3 5 Left and right keys 22 4 3 6 Sub frame values 22 4 3 7 Using the DATA LEVEL knob to set Valle ica it aa ias valenti 22 4 4 SYSTEM menwu nnne 23 4 5 AUDIO menu eere 23 4 6 AUDIO2 menu enne 24 AT TG menu aui cci ia 24 4 8 TC chase menu 25 4 9 TC generator menu 25 4 10 MIDI menu 25 4 11 Maintenance menu 26 4 12 Dedicated keys 26 5 Basic operations 5 1 Formatting a tape 27 5 1 1 Selecting a word clock source 27 5 1 2 Formatting ss 27 5 1 3 Aborting the format process 28 5 1 4 Recording while formatting 28 5 2 Recording the first tracks 28 5 2 1 Prepari

Tascam DA-78HR Microcassette Recorder User Manual

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