User Manual D-2/4
Contents
1. 10 13 Weight 10 14 Environmental 10 18 or 18 32 VDC appr 10W Transformer with an input 250V AC 50Hz and output 15V DC 150 x 85 x 75 mm without shock absorber appr 1 5 kg without shock absorber Operating temperature range 5 C to 45 C Storage temperature range Humidity Vibration Shock 11 Pin connection REC LED Pwr connector __IF_DATA 2 __IF_DATA 3 NOT USED 7 En 0 o gt 20 C to 60 C 20 80 non condensing 5g Mil Standard 810C Curve C 10g in all directions EVENT 60S _ EVENT_15S Audio connector PCMIN PCMOUT_ TTL PCMOUT PCMIN TIL __PCMOUT PCM In Out connector Interface connector 15 12 Frequency characteristic Gain dB FREQUENCY RESPONSE IN 2 CHANNEL MODE Record amp Play Record 0 8000 16000 24000 32000 Frequency Hz Gain dB K O D cos do a te FREQUENCY RESPONSE IN 4 CHANNEL MODE Record Record amp Play 0 4000 8000 12000 16000 Frequency Hz 162. first then start the new recording from that point without leaving any unrecorded gap If you fast forward the tape if should automatically stop where the previous recording has ended The absolute time indicates the elapsed time from the beginning of the tape and the current position of the tape which is written digitally The absolute time will be automatically written when you record a DAT tape for the very first time and cannot be erased once written When you record to the end ofa DAT tape The tape automatically rewinds to the beginning and will stop there Auto rewind function HOLD PHUSH OPEN out of function To avoid any accidental operation Hold function Slide this switch to the HOLD position to avoid any accidental operation while the unit is set in a particular operational mode In the HOLD Position are all switches locked Start ID This signal indicates the beginning of a recorded program track By reading these start ID signals the unit can cue the beginnings of the recorded programs tracks automatically tape transport direction program track program track 2 program track A 4 y start ID N SS To write the start IDs automatically while recording This start codes are set by each new recording also by using the Pause button by recording To write the start IDs manually while recording While recording press the REC button at the point wh
3. OVLRES VOICE REC mr 10 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 Technical Data Tape deck Tape Track width Tape speed Density Bit rate Storage capacity Analog inputs Selection Input range Input impedance Filter Resolution Total sample rate Analog Outputs Selection Output range Output impedance Filter Resolution Digital PCM Input Output Sample rate DAT tape width 3 81 mm ca 13 6 um 8 15 mm s 61 kbit inch 1 536 Mbit s or 192 kByte s 1 38 GByte for 2 hours recording 2 07 GByte for 3 hours recording not recommended 2 4 5V 100kQ 8 order Butterworth 12 Bit simultaneous Sample Hold for all channels 96kS s 2 4 5V 2 Q max 10mA 8 order Butterworth 12 Bit simultaneous for all channels 192 kHz Remaining transition delay appr 5 us Level Audio channel Signal bandwidth Interface output Level Cable length TTL 100 Hz 3000 Hz TTL 2 3m The conversion of the data stream into IF16 word parallel format is done in the output connector Remote control Level Pulse width System accuracy max 0 05 Error correction 3 30V gt 2 sec 0 1 at 0 Hz Difference of phase delay between all channels at the same frequency Double encoded Reed Solomon Code bit error better 10 10 10 Analog signal bandwidth Sample rate 10 11 Power supply Input Power consumption Option 10 12 Dimensions
4. TIME RECORDED TIME date of the recording RECORDED TIME time of the recording Current date year month date t Current time 1 FUNG coc HE cr i hour minute secound The RECORDED TIME will not be displayed while the unit is in the recording recording monitor or pause mode Setting the Clock The unit automatically registers the date of recording year month date day hour minute second at the time of recording The date of recording can be then displayed on the display window while the unit is playing back fast forwarding rewinding or cueing reviewing a tape Date function It is essential to set the clock before any recordings are made Otherwise the date function will not work properly and the correct date and time of a recording will not be registered on the tape 1 Press the CLOCK SET button for more than four seconds 2 Press the COUNTER and RESET buttons to set the year digits then press the CLOCK SET button 3 Press the COUNTER and RESET buttons to set the month digits then press CLOCK SET button 4 Press the COUNTER and RESET buttons to set the date digits then press the CLOCK SET button Proceed with the following steps while the unit is in the stop mode CLOCK SET COUNTER RESET 5 Press the COUNTER and RESET buttons to set the day then press the CLOCK SET button 6 Repeat steps 2 to 4 to set the correct current ti
5. t record In this mode the system is working as if you are recording except that the tape doesn t move It enables you to use the system as a normal signal conditioning unit as front end to the PC in order to visualize the channels without making a recording Please ask for our digital interface and software for PC s and notebooks See following table regarding sample rates mux mode and signal band width inci Mami Channel sample Cut off frequency rate analogue band width 48kS s 16kHz on 24KS s Attention Analog input is on the left side and the output on right side ofthe DAT recorder The overload LED s OVL indicate which channel input level exceed 5V By pressing the reset switch to the left you can reset the display make sure it is not overloaded any more Please only use the corresponding tool By pressing PAUSE the tape is ready for immediate recording The second time you press Pause the pause mode stops and the tape moves again REC play status Simultaneously the start code is recorded Attention It takes about 9 seconds to record the start code simultaneously together with the data you see START ID blinking on the display During this time it is not allowed to stop the tape because the start code won t be completely recorded and you may not find it later on 10 3 4 At each REC START a new start code will be recorded In order to find interesting events after recording further sta
6. would a normal DAT cassette Press the gt PLAY button then press the 3 STOP button after about 10 seconds without Remove the cassette rewinding it cleaning Proceed with recording and playback with a normal DAT cassette and check the playback quality Notes on the cleaning cassette e The cleaning cassette cannot be used for recording or playback e Do not clean the head with the cleaning cassette more than five times in succession Cleaning the head continuously for a long period of time may cause wear to the head Do not rewind the cleaning cassette each time you use it When the cleaning cassette tape is taken up wound completely rewind it to the beginning and reuse it The cleaning cassette can be used approximately 200 times with 10 seconds of cleaning each time Locating the beginning of a program track Hada PD PLAY PP P hl IIPAUSE MSTOP out of function out of function Press either gt gt gt gt I or IX lt lt lt button quickly once during playback If the unit is in the fast forward rewind mode press either the gt gt gt gt I or IX lt lt lt button once Or if the unit is in the stop mode press either the gt gt gt gt I or I lt lt lt lt button twice To locate the beginning of the Press gt gt gt gt I the same number of succeeding program track times as the programs tracks to be skipped E g to locate the beginning of the fifth program tra
7. Kraus Messtechnik GmbH Gewerbering 9 D 83624 Otterfing 49 8024 48737 Fax 49 8024 5532 Germany Web www kmt gmbh com E mail info kmt gmbh com User Manual D 2 4 Operating instructions tape deck Inserting a Cassette 1 Press and hold down the small button and slide the HOLD PUSH OPEN switch to the OPEN position HOLD PUSH OPEN switch While pressing 2 Open the cassette compartment door upward The cassette will be loaded automatically Notes When disconnecting the unit from the power source make sure the cassette compartment door is closed Otherwise you may not be able to close it afterward If this happens reconnect the power source When inserting a cassette make sure that the side with which the tape is visible inside is facing upward If you insert the cassette upside down you may not be able to take the cassette out To eject the cassette While the unit is in the stop mode press and hold down the small button and slide the HOLD PUSH OPEN switch to the OPEN position HOLD PUSH OPEN While pressing Record protect shutter Slide the record protect shutter to the left to protect a recorded tape from being accidentally erased by recording on the tape for the second time If the shutter is open you cannot record on the tape If the shutter is closed you can record on the tape To Record ESTOP gt PLAY IIPAUSE out of function out of functi
8. ck To locate the beginning of the Press gt gt gt gt lI the same number of previous program track times as the programs tracks including the currently played one to be skipped E g to locate the beginning of the fourth program track including the currently played one Display Day AM PM indicator PEM NO AUTO ID E BAT F TRE TER ee inner HJ ee ms mm mm 7 7 7 7 7 7 JOVER The tape counter indications Each time you press the COUNTER button the display changes cyclically as follows 545 Tape counter In mm Lit wht As normale display A TIME mrt an Absolute time REMAIN rm ofc La SER i fis Remaining time of tape To reset the tape counter normal display to 00H00M00s Press the RESET button Remaining time of the tape The remaining time left on the tape will normally come on after about 16 seconds of commencing playback in the SP mode However there may be some aberration in the amount of time displayed which depends upon the tape you use Note The tape counter should not be used as a clock What is being displayed on the counter is not completely accurate in terms of displaying the current time Therefore do not use the tape counter as a clock Tape counter clock message indicator gear ee ee TTS 6420 e Clock display Each time you press the CLOCK button the display changes cyclically as follows ry 1 im fo t IIS cock MI RECORDED
9. d If you get any errors the most common reason is a bad tape or a dirty head In most cases it s enough just to cut the power for a second to eliminate trouble effects At high temperatures caused by sun or missing ventilation it is possible that the D2 4 produce short errors after a longer runtime To avoid this problem switch off the D2 16 when you do not use it 12 9 9 1 9 2 9 3 9 4 Remote Control Box with bargraph display audio record Connection Connect the 9pole cable at the audio connector of the DAT Recorder Record Keep the Record button pressed and press the Play button Check that the Rec and Play LED s getting active At the bargraph display all active channels will be displayed An overload gt 5V will be indicated by one flashing sign or more It keeps on flashing above or below the corresponding channel until the Stop or OVL Reset button is pressed When record is activated by an EVENT the Rec and the Event LED s are lightning up Replay After pressing the play button all recorded amplitudes and OVL s are displayed Audio By pressing the Voice Record button at the side of the remote control during Record Mode the speech channel with comments will be recorded together with the data Replay is automatically done in Play mode The remote control is also available without a bargraph display in shape of a handy 13 REC EVENT PLAY PLAY STOP
10. ere you wish to write the start ID Note While writing the start IDs the WRITE indication comes on and the START ID indicator flashes for about nine seconds While the unit is set in this mode no operational buttons other than the M STOP button will function Playback 4 44 PLAY PP PPI IIPAUSE out of function MSTOP 1 Insert aDAT cassette Press the gt PLAY button Playback starts The SP LP switch is out of function To stop playback Press the W STOP button To pause playback momentarily Press the ll PAUSE button To cancel the mode press either the Il PAUSE button or the gt PLAY button Notes If the unit is left in the pause mode for more than five minutes the unit will automatically enter the stop mode in order to protect its head and the tape To fast forward the tape Press the gt gt gt gt I button when the unit is in the stop mode To rewind the tape Press the I lt lt lt lt button when the unit is in the stop mode When a tape is played back to the end The tape will be rewound to the beginning automatically and the unit enters the stop mode Auto rewind function Cleaning the Head Prolonged operation may cause contamination of the head To make the best possible recording and playback we recommend you to clean the head periodically using the cleaning cassette DT 1OCL not supplied How to use the cleaning cassette 1 Insert the cleaning cassette as you
11. me hour minute second The second digits change to 00 when the COUNTER or RESET button is pressed and the clock starts activating when the CLOCK SET button is pressed Therefore synchronize the clock by pressing either or button with the radio time signal etc The flashing will stop and the clock will start activating To cancel the procedure Press the W STOP button The clock display will return to the previous time display However if you have proceeded to step 6 the year month day and date will be set 12 24 hour display To select either the 12 hour or the 24 hour clock display Press the RESET button for more than two seconds Precautions On Safety Should any solid object of liquid fall into the unit unplug the unit and have it checked by qualified personal before operating it any further On Installation Do not install the unit in a location near heat sources such as radiators or air ducts or in a place subject to direct sunlight and excessive dust On Moisture Condensation If the unit is brought directly from a cold to a warm location moisture may condense inside the unit In such a condition the tape may adhere to the head drum and can be damaged or the unit may not operate properly the indicator has come on Always remove the DAT cassette from the unit when the unit is not to be used for an extended period of time If moisture is present Operating buttons and controls may not function pro
12. on REC 1 Insert a DAT cassette 2 Press the REC button and the II PAUSE button The unit enters the pause mode 3 Press either the gt PLAY or the I PAUSE button The recording starts Notes The recording cannot be started by just pressing the REC button instead the unit enters the recording monitor mode The unit can enters the recording monitor mode whether the record protect shutter of the cassette is open or not Recording is possible only when the shutter is closed HOLD PHUSH OPEN out of function To stop recording Press the W STOP button To pause recording momentarily Press the Il PAUSE button To cancel the pause mode Press the Il PAUSE button again or press the gt PLAY button Notes If the unit is left in the pause mode for more than five minutes the unit will automatically enter the stop mode in order to protect its head and the tape Notes on Recording ESTOP gt PLAY IIPAUSE out of function REC out of function Do not leave any unrecorded parts on a DAT tape If there is a blank unrecorded part left on a DAT tape the absolute time will not be written thereafter Also when the tape is being fast forwarded or rewound it will stop at that point In order not to leave any unrecorded parts on a tape while recording observe the following e If you intent to continue to record on a tape which is partially recorded make sure that you find the end of the previous recording
13. perly The unit may shut off 1 2 Operating instructions D 2 4 Please read the user manual regarding the drive page two before starting up the system Power on The D2 4 does not have a special power switch It is powered on as soon as the power supply is connected Attention Make sure you input the correct power supply voltage It is 10 up to 18V or 18 up to 32V DC If it is to low the DAT recorder may not start up or the commands do not work properly In this case it can happen that after activating the record mode the tape start moving but stops after three seconds If the supply voltage is to high the internal fuse will be destroyed immediately The DAT recorder needs about 5 to 6 seconds to load the cassette The mux mode is equal the last used after switching on the power The record of the analogue channels in two channel mux mode is realized on channel one and two in four channel mux mode on all channels The current mux mode is displayed by the corresponding LED on the front of the DAT recorder During the replay the recorded mux mode is also displayed but it is not possible to change it Interface Record Check the write protection at the cassette press and hold down the small button and slide the HOLD PUSH OPEN insert the cassette with the window facing upward and close the cassette compartment door The cassette will be loaded automatically Press REC and the D2 16 is in a waiting status it still doesn
14. r this purpose These potentials must be between 3 V and 30V with a duration of at least 2 sec Press 2 Seconds for 6 seconds event EVENT 60S 2 DC_IN Record LED REC_ LED EVENT _ 15S Pwr connector Press 2 Seconds for 15 seconds event as long as the input pulse is high at least 15 sec as long as the input pulse is high plus 1 minute Attention Before inserting the cassette make sure that no write protection is done The message TAPE PROTECT will appear on the display but not via the remote control This remote control can only start and stop the RECORD mode If the DAT Recorder is currently in PLAY mode the remote control signals will be ignored 11 5 6 6 1 6 2 6 3 7 8 Date and time How to set it pls see Setting the clock One built in 3 6 V Lithium battery type Sonnenschein SL340 supplies the internal date and time counter after the power is switched off It has a life time of about one year To replace it please execute the following steps 1 Open the battery compartment door unscrew the two screws Cut the wiring directly at the battery socket Remove the isolation and disconnect the battery pins with an soldering iron Mount new isolation Solder the new battery pins middle red wiring is plus left green wiring is minus Fasten the isolation Close the battery compartment door Pwr Battery 0 The D2 4 needs a DC po
15. rt codes can be set during recording by pressing REC Please notice ascending start codes are only possible if you start recording from the beginning of the tape In this case the start codes will be counted stored as a PGM number and displayed in the PGM window We recommend to secure the tape after recording with the switch to avoid overwriting of important data Parallel to the analog signals it s possible via PCM input to record and reproduce digital TTL signals These are continuously sampled with 192kHz and can be reproduced with a transition time delay of 5 us By using the handy microphone with built in loudspeaker it s possible to make comments to the recording To record just press the switch on the microphone The reproduction is automatically Replay Insert the cassette and press PLAY All recorded data are available at the corresponding connector output on the right side of the DAT recorder Input overload will not be displayed no OVL display All DAT recorders are calibrated with an accuracy of 0 1 over the complete measuring range To check the accuracy notice that the calibration data must be recorded and after them read in Play mode In this way the signal pass through the complete system from input to output filter Event triggered recording In case it is not possible to start the record manual there are two internal different event detectors available in OR mode via pin 1 or 3 of the PWR connector fo
16. wer supply with 10 18V or 18 32V Pwr connector Pin 2 Plus and Pin 5 Minus There is no ground protection When you connect a power supply unit pls follow the common safety instructions The total sampling rate is fixed at 96kS s All channels are filtered and simultaneously sampled The sample rate per channel is depending on the mux mode Just divide 96 kHz by the number of channels and you get the sample rate per channel two channel mux mode 48kS s each channel and four channel mux mode 24kS s each To avoid anti aliasing effects the filters will automatically be switched to the max cut off frequency a third of the sampling rate in record as well as in replay mode The resolution is 12 bit 72dB Dynamic that means at an amplitude of 5V 10V your LSB is 2 5 mV 4096 steps The drive processor recognizes cassettes with a max runtime of 2 hours tape length of 60 m Cassettes with a length of 90m 3 hours runtime can be used but the displayed remaining time will not be correctly detect from the processor In this case see the displayed tape length PCM In Out Common hints Drive modifications The tape recorder was modified because of technical reasons That is why following switches and functions are out of function 1 SP LP 2 REC LEVEL 3 VOLUME 4 AVLS Very important remarks We recommend Use only high quality cassettes and clean the head periodically using the cleaning cassette DT 10CL not supplie
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