TEAC RD-145T user manual
Contents
1. Bar meter monitor channels can be monitored at one time with the 6 segment display bar meters In this case the memo sound channel can also be monitored signal level can be monitored both during recording and reproduction Speaker monitor The memo sound and the data of any data channel can be heard from the built in speaker RD series and tape compatibility Tape compatibility is established among RD 120T TE RD 130T TE RD 125T RD 135T RD I80T and RD 200T as long as both the models use a common channel mode MPX mode Except a certain type of code information However some functions obtained with a tape recorded by RD 180T and RD 200T are not obtained with GP 302 No compatibility is obtained with digital audio tape recorders JW p e e e 3 PRECAUTIONS 3 1 3 4 Model and Standard Accessory Check Check see that the unit is the one you ordered See item B this manual for the list of standard accessories Setting Environment When using the RD 145T consider environmental conditions such as temperature humidity dust vibration barometric pressure magnetic fields and atmosphere Please note the following When moving the data recorder or tape from a place of low temperature to a place of high temperature condensation may form around the unit or tape Wait at least 30 minutes after turning on the power or after checking that there is no dew condens2. 0422 55 2582 7300 11 5 t JU 1l m 55 0298 24 2865 1 FAX 0298 24 2866 5 Sh T4655 duh BRE 5 406 So 052 702 2351 052 702 3107 AMS r564 RH 3 34 10 ai 6 84 6041 FAX 06 385 8849 i BE E Dm 1730 JAR mpm 13 19 5 18 082 294 4751 fX FA 082 294 4669 NW m m 1812 65 HW 2 2 24 Mm 34 092 441 3600 fX FAX 092 472 7602 O4 0422 52 5068 29 2 15 0422 52 5069 Jub Head Office TEAC CORPORATION 3 7 3 Naka cho Musashino Tokyo 180 Japan ELECTRONICS AND INFORMATION PRODUCTS DIVISION Tel 0422 52 5016 5014 0422 52 1990 U S A TEAC AMERICA INC 7738 Telegraph Road Montebello California 90640 U S A Tek 213 726 0303 Fax 213 727 7621 CANADA TEAC CANADA LTD 340 Brunel Road Mississauga Ontario 147 2C2 Tel 416 890 8008 416 890 9888 Germany TEAC DEUTSCHLAND GmbH Bahnstrasse 12 065205 Wiesbaden Erbenheim Germany Tel 0611 71580 Fax 0611 715811 P N 10031348 00 DAT DATA ACCESSORIES AND R DAT Cassette Tape DM120 R DAT Cleaning Tape Cleaner Kit 172 3501 Input Output Cable Microphone Earphone Vinyl Case Vinyl Cover Power Cable AC Power Cable DC CL 63 Fuse DC 6 34 Fuse AC 24 Caution Label Connector 37P Cover Connector 37P Driver Instruction
3. 4 OM display display 000 0151000 015 1000 0151000 1 1 rox i PAUSE 5 SPP lt lt le RECEWD automatic REC FWD REC FWD pec T REC FWD Y Y Y Each point is the same as pressing either the STOP or PAUSE buttons Fig 3 Direction of tape Same as when COUNTER ABS recording starts XXX XXX 1 15 16 from the 1 mmm recorded portion ZZZ MK 015 5 000 i REC FWD FWD FWD F FWD Y Fig 4 90197560 5 8 5 9 CLOCK Recording a The clock value is recorded automatically when data is recorded b Adjusting the two digit of the year month and day Press the MODE button to turn the CALENDAR LED on Press the CLOCK SET button three or more seconds to put the recorder in the calendar adjustment mode Enter the desired year month and day with the number buttons then press the CLOCK SET button again to set the year month and day c Adjusting the two digit of the hours 00 to 24 minutes and seconds Press the MODE button to turn the REAL TIME LED on Press the CLOCK SET button three or more seconds to put the recorder in the time adjustment mode Enter the desired hours minutes and seconds with the number buttons then press the CLOCK SET button again to set the hours minutes and seconds Reprodu
4. STOP FWD Tape output REC FWD A D gt D A output RECPAUSE F FWD 0 REW 90197552 _ 3 903 iT t This is a rocker switch Pressing the upper side of this switch turns on the power Pressing the lower side of this switch turns off the power Power switch Pulling out the stand enables the front of the data recorder to incline about 107 Rubber foot with stand CASSETTE COMPARTMENT Pocket for inserting and removing the tape Pressing the EJECT button when the power is supplied opens the casselte compartment enabling the tape to be inserted or removed Push the cassette compartment securely enough to close and lock it REMOTE For use with the optional ER 40 remote control unit The switches on the data recorder are operable even during use of the ER 40 Theswitches on the data recorder are valid when both the switches on the data recorder and the ER 40 are pressed at the same time DIGITAL I O Connector D Sub 37P 4 connector for GP 302 OUTPUT LEVEL Fuse holder On each holder a fuse for ac or dc power is mounted Connected to the cable during the use of dc power Also connected to the connector of the optional BU 41 battery unit Accepts digital input and outputs digital signal when CHI is in digital input mode Effective only when 40 CH1 DI
5. CALENDAR year month and day or REAL TIME hours minutes and seconds mode starts Hashing Enter the year month and day or hours minutes and seconds with the number buttons from 0 to 9 Press the 9 CLOCK button after entering the desired numbers with the number buttons Then the time setting is complete MODE SW CALENDAR REAL TIME mode selector switch Number buttons 12 20 0 5 Testsignal generator Used to switch the 9 CLOCK display between the CALENDAR cal endar and REAL TIME clock modes LEDs 9 or shows which mode is selected Used to search a tape on which ID numbers are recorded for an ID or set the calendar clock Generates a test signal of about 5096 at 1 kHz A test signal is output while the TEST button is held down in the REC PAUSE or REC FWD mode Can be used for checking the E E A D D A function during re cording or for a simplified check of the record reproduction function during reproduction With the CHI digital input mode selected CH1 can not be inputted When the LOCK indicator flashes then lights by pressing the P LOCK switch three or more seconds all switches are locked When the LOCK indicator flashes then goes off by pressing the P LOCK switch three or more seconds the switches are unlocked Pressing this button three or more seconds in the REC PAUSE mode writes an E mark Note 1 For details see Section 5 11 End Search on pa
6. each channel when CH1 2 mode is selected DC to when CH 1 4 mode is selected DC to SKHz when CH 1 8 mode is selected and DC to 2 5kHz when CH 1 16 mode is selected respectively With the tape speed X2 selected RD 145T accepts signals through CH I CI4 8 or CH1 CHI6 and the recording frequency corresponding to above channels are DC to 20kHz DC to 7 or DC to 5kHz respectively Select the tape speed and MPX according to your purpose Setting of tape speed Set the tape speed with the SPEED SELECT button before loading a tape or in the STOP mode The selected tape speed is shown with a LED just upper the SPEED SELECT button Recording or reproduction will be made at the tape speed set Note The speed setting is only enable in the STOP mode or no tape loaded Setting of CH MPX Set a channel MPX with the MPX SELECT button The content set is shown on a REC 2 REC CHI 4 REC CH I 8 and REC 1 16 LED Note The setting can not be made in the REC FWD mode The CH 2 can not be set when the tape speed is sel to X2 Input range setting Select one of 0 5 V 2V 5V and 20V RANGEs depending on an input signal voltage Press B R button to sel the RANGE mode R side LED lights up and then select a desired channel with the CH button and CH display Next select a desired range 0 5V 2V 5V or 20V with the RANGE button Select a next channel with the CH button and then select a desired range in the same
7. either one of 4 of CH select buttons and the COUNTER MODE button simultaneously 3 sec lights up the CHI DIO LED just side of the INPUT BNC connector and the unit enters the digital channel mode To return to the original analog mode press either one of CH select buttons 4 and the COUNTER MODE button simultaneously for 3 sec again and the CH I DIO LED lights off and the unit enters the analog input mode When a tape recorded with the digital channel mode is reproduced in the FWD mode the unit automatically enters the digital channel mode and the data reproduced is obtained at the 37P multiconnector Note In the digital channel mode the CHI bar meter does not light up Moreover setting of the monitor select input range is not allowed for the When atape recorded with the analog input mode is reproduced in the digital channel mode the CHI DIO LED lights off and the CHI reproduces the analog signals circuit type 45V Input circuit type DI 0 to 13 ER an Open collector output etc Other equipment VHOUT More than 4V RD 145T VLOUT Less than Output circuit type DO 0 to 13 IN STB OUT STB 5 5V 4 7K 5 CMOS etc Open collector output with 45V pull up VOH More than 3 5V Other equipment VOL Less than 1 1V IOL Max 30mA RD 145T 90197563 2 timing specifications Input timing tstb tsamp is Setup time more than 50
8. than one mark is recorded on a tape the tape is searched for first E mark from BOT Record only one E mark on a tape 5 12 Erasure For the R DAT cassette tape used in this unit previous recordings are replaced by new recordings when a recording is made again on a recorded tape Since previous recordings remain in the portions where rerecording is not made data memo ID COUNTER and CLOCK are reproduced When these data items interrupt data output or search operation use the cassette tape whose entire contents are demagnetized by bulk tape eraser Because the R DAT cassette tape is very difficult to erase take enough time erasing both sides of the tape with the bulk tape eraser If there are portions left unerased they may cause meaningless numbers to appear in the COUNTER ID and CLOCK displays and search or end search may operate abnormally 25 90197562 5 13 Digital Channel Mode The 145 allows selection of CH in normal analog input mode or digital channel mode In the digital channel mode digital signals in 14 bits parallel format can be recorded or reproduced through a 37P multi connector on the rear panel and the bit rate is equal to the sampling rate for the analog input Various status signals externally converted A D data etc can be recorded and reproduced with analog signals in other channels D Setting and releasing of the digital channel mode When STOP mode tape loaded pressing
9. the Head before Recording 6 2 Before recording is performed once a day or if the MPX ERROR indicator lights despite correct operation during reproduction or if a waveform is missing clean the rotary head by using the attached cleaning tape As soon as loading the cleaning tape run it for about 10 seconds with x1 tape speed by pressing the FWD button then unload it Do not run the cleaning tape longer than 10 seconds otherwise the tape will abrade the head The attached TZ 350H cleaner kit is used to clean the guides pinch roller and so on Do not wipe the rotary head with the cleaning fluid otherwise dirt will adhere to the head and around it causing problems like catching of the tape Care must be taken Cleaning the Running System If the running system is very dirty when viewed from the gap in the cassette compartment clean the running system except for the rotary head as shown in the following figure once every 20 to 30 hours using the attached TZ 350H cleaner kit Remove the four screws for fixing the cover of the cassette compartment with the Phillips screwdriver and wipe with a cotton swab Remove four M2 plastic setscrews attaching the lid of he cussette compartment 45 90207948 Caution Do not wipe the rotary head with the TZ 350H cleaning fluid ie Capstan shaft Tape guide Guide pin Tilt guide Tape guide Pinch roller Guide roller Parts to be cleaned with the TZ 350H cleaning
10. 1 The value displayed on the A counter disappears after a gap between data when data is recorded discontinuously on tape or the data is reproduced Note 2 Whena program is recorded at a speed of x2 a value of twice the recording time is recorded Beginning of tape BOT REC FWD STOP A mode mode 00000 xxxxx No display No display REC FWD 9 PGM Program LED When the LED lights the time from the beginning of data BOT for Program time each ID number is displayed on the COUNTER Note When a program is recorded at a speed of x2 a value of twice the recording time is recorded ID 10 ID 01 FWD STOP FWD P mode XXXXX Function ID Displays the data number Data numberdisplay Displays the following in addition to the data number ID display Status 00 flashing Tape being loaded or unloaded AA Unrecorded tape bb On the lead in tape for five seconds from BOT 90197548 No display On the E MARK When the data recorder enters the REC PAUSE or REC FWD mode from the beginning of the tape the tape automatically runs with ID number bb displayed for approximately five seconds The data recorder then pauses recording in the REC PAUSE mode or records ID numbers starting at O1 in the REC FWD mode When recording ID numbers on an unrecorded tape numbering auto matically starts at 01 An arbitrary numb
11. 90207945 lt RD 145T DAT DATA RECORDER INSTRUCTION MANUAL P N 10111431 10B 901945 90 TABLE OF CONTENTS a qe e ES 2 3 e 4 A gt rore rein tesla 6 bys 6 2 NUM DE 12 2 tta KAASA AETERNI KA RURE EAE IPES PEE ARE ARS RARE 7 4 3 Names and Fut 9 5 OPERATION METHODS repe Pg eu etae ere AN y ea ee a duet 17 DAL y Basic ODEFattOT WA QVEM Lg 17 5 2 Input Connections and Tape Speed CH MPX and Setting of Input 20 5 3 QuipbtXommeetonand Level era nct meet eerte ent ttr i mereri 20 5 4 Memo Announcement Recording or Reproduction 1 2 1 1 10001002 21 552 Data Sid mde e sns che ap 21 930 Recording and Reprogductiuiu obire ettet rie e ee 21 AOU COUN COE Petre err EE 23 AA Ma GA RUOTE ao
12. D button Recording restarts the moment the REC and FWD indicators light COUNTER ABS Displays continuously PGM Elapsed recording time indication beginning with 000 Note 1 The COUNTER shows a real time when a recording is made at speed of 1 However Approx 60 MES time is counted rate of twice the real time seconds when the recording is made at speed of 2 That is the counter shows a time converted into a time equivalent to the speed of x1 1 02 CLOCK Calendar or time display 11 Press the PAUSE button Conforms to step 9 1 02 03 i Repeats recording operation approx 60 seconds for each h eration insteps8 and 9 until the ID number reaches 10 09 1 10 Y 12 Press the STOP button The tape stops running COUNTER Stops ID 10 CLOCK Calendar or time display 13 Press the REW button The unit rewinds the tape to the beginning and stops automatically Operation during tape rewind COUNTER Displays the counter value recorded in the tape ID Displays the ID value recorded in the tape CLOCK Calendar or time display When the tape is stopped COUNTER Off ID 00 CLOCK Calendar or time display 90197555 Precautions and display of this unit 14 Press the FWD button This unit reproduces the contents recorded from the beginning of the tape COUNTER ABS Continuous minute and second display from 000 begin ning of tape Note 2 A real t
13. Easy operation The RD 1457 is designed so that an operation button corresponds to one function as much as possible These operation buttons facilitate operations for recording on a site Memo sound channel In addition to the data channels a channel used only for voice recording and reproduction is provided Since the microphone built into the data recorder is provided normally for recording environmental sounds can always be recorded during measurement sz 90197539 10 Time code recording channel In addition to the data channels a channel used only for recording and reproduction of time codes is built in The year month day hours minutes and seconds of the built in clock with perpetual calendar are automatically recorded Since the time code is always automatically recorded it can be used to confirm the recording time of measurement data on the display 11 Data number ID number recording channel 12 14 In addition to the data channels a channel used only for recording and reproduction of ID numbers is built in The ID number of the recorded data is automatically recorded The ID number is incremented by one each time recording starts or the EVENT button is pressed High speed search The recorded ID number can be searched for at high speed during reproduction The search is perforrhed both in the forward and reverse directions When the target ID number is found the target data is reproduced from the beginning
14. L switch Monitoring the input sound is permitted during REC PAUSE or REC FWD ID Recording and Reproduction AnID number is recorded automatically when data recording is made An arbitrary ID number cannot be recorded however b When REC PAUSE REC FWD is performed at the beginning of the tape BOT it runs automatically for about 5 seconds with the ID indicator flashing with bb c When recording is performed after automatic recording at BOT ends the ID number always begins with 01 and is incremented by one at every recording operation unless the tape is advanced over unrecorded tape during recording See Fig 1 d Ifthere is an unrecorded portion of tape during continuous recording and the power is turned off the ID number for the next recording is 01 See Fig 2 e Pressing the EVENT switch once during continuous recording increments the ID number by one and the number is recorded This causes a start ID to be recorded for approximately 9 seconds x1 tape speed and 4 5 seconds x2 tape speed during which the decimal point of each digit in the ID number display flashes and the EVENT button cannot increment the ID number To enable a normal search operation to be performed record for approximately 60 seconds or more for each ID See Fig 1 f The ID number can be used as a search number for finding the start of each recording portion as well as a recording nuniber or file number For the ID number to be used as a se
15. Manual RECORDER SPARES 14800108 14800128 17930220 02 15922849 00 15990460 00 15990330 10990910 00 10992242 00 15922282 15922836 00 0036730 13297185 10023175 00 13124825 16362968 16910032 10111431 10 P N 10031708 01 1 copy
16. O LED is on When optional GPIB Unit GP 302 is used the connector of GP 302 is connected to this connector Adjusts output voltage at the 42 OUTPUT connector Adjusted to develop 2 Vp at 100 input when the control is fully turned in counterclockwise direction 5 Vp available dc power input connector 63 ac power input Connected to the cable during the use of ac power connector 64 FG Grounding terminal Frame Ground comp 5 OPERATION METHOD 5 1 Basic Operation Perform the following operations and checks according to the steps below io Step Precautions and display of this unit oo 1 Connect the power cable Be sure to check whether the input power conforms to the specified c voltage e ec 2 Turn the power on Display of this unit COUNTER ID Off CLOCK Year month day or hour minute and second display MODE CALENDAR or REAL TIME If the BATT ALM lights increase the dc power supply voltage 3 Press the EJECT button The cassette compartment is opened Ip 00 flashes or is off 4 Insert a cassette Insert a cassette tape so that the direction of its arrow matches that of the arrow on the cover of the cassette compartment Use a new cassette tape starting at the beginning of the tape Always push the tape cassette into the cassette compartment all the way Refer to 3 5 Cassette Tape on page 5 5 Press down the casse
17. P Fig 2 2 2 5 7 Recording with the Counter a The counter value is displayed in minutes and seconds M S and is recorded automatically when data recording is made Arbitrary counter values cannot be recorded b When REC PAUSE REC FWD is performed at BOT the tape runs automatically for approximately 5 seconds without any display Fig 3 The ABS mode or the PGM mode is used for displaying the counter d A continuous counter value is recorded when continuous recording is made in the ABS mode If unrecorded tape is used The counter ABS value disappears after continuous recording stops Fig 3 90197559 Ifarecorded tape is used to record data this unit automatically reads the counter value of the previous recording and starts recording the counter value following that value when the cassette tape is loaded Fig 4 f The PGM mode value is recorded beginning with 00000 whenever a recording is made or the ID number is incremented by pressing the EVENT button When recording is made at speed of x1 the counter value is recorded as a real time However when the recording is made at speed of x2 a value of twice the real time is recorded So multiply 1 2 to the time when reading the time in terms of x2 speed Direction of tape Beginning of tape BOT Data cannot be recorded during this interval COUNTER ABS NO spi 000 0151016 031 No display
18. TE Ue 24 Reproduction Tape Speed SOLDE eerte rr metr dit 24 FLD Search 2 4 eei efie erre parent ete GE a 24 SUE Sy estet SEAR QPIN ee nde mtf aries Tego a Ue vu oe de y xs EU 25 22193 BUIASUFU cnn rsa ven 25 5 13 Digital Channel Mode CERT oie n Maria cua 26 QUA IDET EIN GB imation ge e VU 29 CONFIGURATION 32 6 e as iru 32 9 JE TIONS anos acte vecta RERUM DERE eer 33 DR SEER IRS TIONS acaso dics eria 34 E Eod rn eade 34 34 10 3 Digital Channel Analog channel CHI is switched 35 Opel eat OR ooa qi E GEH 35 KI 3 Bunctional SpectfiGR atq utto sess eio Ua NB rd e e Od dies 35 e 36 10 7 External View 2s EE Os RR ON RYE dane ads Es o oM eis Lee eder 37 90197537 1 OVERVIEW
19. The development of personal computers in recent years has promoted the automation of measurement processing This trend has required improvements to the functions and accuracy of various types of data recorders The 145 is a high density multiplex PCM data recorder utilizing helical scanning recording techniques on standard DAT tape The RD 145T data recorder provides improved features and benefits of two tape speeds up to 16 selectable number of data channels expanded recording frequency band improved phase characteristics high signal to noise ratio selectable recording time and reduced physical size as compared to existing data recorders The RD 145T can also automatically record memo sound time codes counter values and data numbers ID numbers with the dedicated channels which are independent of the data channels and has a high speed search function utilizing the data number ID number Measurement accuracy is increased as a direct result of these features Despite it compact design the RD 145T is designed to operate from multiple power sources including 90 to 264 Vac input 11 to 30 Vdc input and an optional rechargeable battery This capability to operate from multiple power sources provides the 145 with maximum flexibility for laboratory use and outdoor field use An optional GP IB interface unit GP 302 connected to the data recorder enables a host computer to control data recorder functions thereby facilitatin
20. arch number the recording for that ID number must be approximately 60 seconds or more and there must not be any unrecorded portion on the tape If the recording is short or discontinuous the normal search may not be performed See Fig 1 E When recorded tape is used midway for recording the unit reads and displays the ID number of the recorded portion Recording then starts from the portion with the ID number of display value 1 after REC FWD is performed See Fig 2 h When an attempt to continue an ID number by eliminating the unrecorded portion as shown in Fig 2 rewind the tape stop it just before the end of the portion with ID number 12 and perform REC FWD 90197558 Direction of tape BOT Data cannot be recorded during this interval ID number bb bb SSS eyes 01102 lt gt 02103 3 Mode REC PAUSE 5 Approx 60 seconds Approx 60 seconds ooo M BAS REC FWD automatic REC FWD REC FWD FWD Y Each point is the same as pressing either the STOP PAUSE or EVENT buttons Direction of tape F3 ID 12 Unrecorded portion 101 01102 1 08 is displayed after arecorded portion is 109 ids 09 reproduced i i FWD 14 3 1 REC FWD EdwD RECFWD REC FWD Y Y Y STO
21. ating temperature Relative humidity during Operation Vibration Shock 10 5 l unctional Specifications Memo sound Automatic recording Clock Aulomalie recording 1 number Automate recording E ond sonreh Search Control Monitor Most C to 40 C 32 F to 104 F 20 to 80 non condensing Conlorms to MIL STD 810C TABLE 514 2 1 V curve Conforms to MIL STD 810C 30 11 ms Recording reproduction band 4001 Fz to 26001 Ez Recording with the built in microphone with the ON OFF swilch or an external microphone Recording reproduction of year month day hour minute and second data Display changeover system of year month and day calendar or hour minute and second real time ID numbers OF to 99 ave recorded or reproduced and are displayed HD number Ineremented by 1 every recording or whenever The switch is pressed during recording end mark or blank search H eh speed search of an D number 17 1 REW FWD STOP RNG PAUSE and EJECT Bar meter all data ebannels anda memo channel Spoaker oarphone monitor select ehannel memo channel Monitor connector anonior select channel approx 50 Tull seale signal butan 5 NO lt 90207949 10 6 Others Power system Supply voltage for ac dc Current consumption Dimensions W x H x D Weight Switching regulator system Usable vol
22. ation around the unit and tape before inserting a tape If a tape with condensation is inserted the tape may become tangled around the rotary head Condensation may form if the temperature varies 15 C 59 F or more per hour irrespective of the humidity being within the specified range Note If the condensation sensor operates all tape operation LEDs light and tape operation is disabled b Remove the tape from the data recorder before turning off its power Turning off the power with a tape inserted may cause the tape to become tangled around the rotary head if there is any condensation before the power is turned on again the tape becomes tangled around the rotary head take the appropriate action in section 6 of this manual Input Terminal The I O terminal of the data recorder is unbalanced When the BNC connector cable supplied as an accessory is connected to the I O terminal of the unit the outer side of the connector is connected to the frame of the unit The input impedance is 100 the maximum absolute input voltage is 70 V and the output impedance is 75 When a signal is input to the output terminal the output amplifier may be damaged Power Supply The data recorder operates from ac input of 90 to 264 volts or from dc input of 11 to 30 volts If a power cable which is not supplied as an accessory is used use one with a small resistance Since the power supply unit of the RD 145T uses a switching method excessi
23. ction Tape Speed Setting Reproduction tape speed can be set with the SPEED SELECT button regardless of the recording tape speed So data processing will be made at two times the recording speed or a recorded tape will be reproduced at a half speed of the recording Recorded tape speed is displayed with the REPRO SPEED X2 X1 LEDs Select a tape speed according to your purpose Note SPEED SELECT is enable in the STOP and EJECT modes only 5 10 Search Operation This unit can perform high speed search with an ID number b enable the unit to perform normal search operation as shown Fig 1 continuous recording must have been made and one ID number must be recorded about 60 seconds or more c When the desired ID number has been located the unit automatically starts FWD reproduction d When the PAUSE button is pressed during searching the unit enters the PAUSE mode not the FWD mode after finding beginning of the data SS ates DR cca 2 Y Search point for a desired ID FWD direction search Automatic FWD reproduction REV direction search Fig 5 Searching the tape for ID 05 Search method 1 Enter the desired ID number 01 to 99 with the number buttons from 0 to 9 in the STOP mode Press the FWD button and the tape is automatically advanced to the entered number at a high speed When the entered number is reached the data recorder enters the FWD mode and the tape is r
24. d then automatically reproduces the tape In the same way pressing the REW button more than once consecu tively rewinds the tape at high speed to the beginning of the data having the ID number less than that of the current data by the number of times the REW button is pressed minus one then automatically reproduces the tape Note When the ID number is recorded incorrectly the above opera tion may not be performed When the REW and FWD buttons are pressed at the same time the data recorder enters the REVIEW 5 time speed tape running mode No reproduction signal is output however LED lights up in REW REVIEW modes F FWD button LED Fast forward Press the F FWD button in the stop mode to fast forward the tape Pressing the F FWD button once while in the FWD mode fast forwards the tape until the beginning of the data with the ID number next to the currently displayed ID number at high speed then automatically repro duces the tape In the same way pressing the F FWD button more than once consecu tively fast forwards the tape at high speed to the beginning of the data having the ID number greater than that of the current data by the number of times the F FWD button is pressed then automatically reproduces the tape Note When the ID number is recorded incorrectly the above opera tion may not be performed When the F FWD and FWD buttons are pressed at the same time the data recorder enters the CUE 5
25. eproduced When the PAUSE button is pressed during searching the unit enters the PAUSE mode after finding top of the ID number entered 2 To perform a search during reproduction by pressing the FWD button press rhe F FWD button or the REW button while in the FWD mode The unit searches the tape for the ID number of display value N and enters the FWD reproduction mode when the F FWD button is pressed N times The unit searches the tape for the ID number of display value 1 and enters the FWD reproduction mode when the REW button is pressed N times 294 90197561 5 11 End Search E SEARCH The E SEARCH button can be used to record data following a recorded portion on a tape 1 When no E mark is recorded Pressing the button searches for the end of the recorded portion from BOT and the tape stops running BOT Recorded portion Unrecorded portion gt Search direction A Search point 2 When the E mark is recorded Pressing the button searches for the E mark from BOT and the tape stops running immediately before the E mark 7 OT portion 7 Recorded pie 5 222000222 gt Search direction Unrecorded portion point In either case shown above when recording starts from the tape position after search operation recording continues from BOT 3 Use of E marks Use the E mark to indicate the end of new recording on a recorded tape If more
26. er cannot be set In each REC FWD mode the ID number is incremented by one before it is recorded For nine seconds 1 speed and 4 5 seconds x2 speed after the ID number changes the decimal point of each digit in the display flashes EVENT SW Pressing the EVENT switch button while in the REC FWD mode increments the ID number by one It takes about nine seconds 4 5 seconds at x2 speed to record an ID number While recording the ID number the EVENT switch button is disabled CLOCK Displays the time hours minutes and seconds or the calendar year Clock calendar month and day display por Recorded tape Displays the reproduction time on the tape Unrecorded tape Nothing may be displayed Previous state REC PAUSE Displays the time in real time REC FWD During power on Note When the MPX ERR indicator lights or a tape which was recorded incorrectly is reproduced a hit or miss display may occur or nothing may be displayed This is not an error however CALENDAR LED While the LED lights up the year month and day are displayed on the 9 CLOCK REAL TIME LED While the LED lights up hours minutes and seconds are displayed on Clock real time indi the 9 CLOCK cator 2 90197549 Function CLOCK SET When the user presses the MODE SW button three or more seconds the 7 segment LED of the least significant digit in the
27. from the speaker is disconnected SP VOL Volume control of the speaker and the earphone DATA MEMO DATA MEMO selection switch Selects MEMO sound or DATA sound and outputs it through a speaker or earphone CHI DIO LED INPUT Input connector Lights up when CHI is set to digital mode The LED also lights up when atape recorded with digital input mode is reproduced and the unit enters the digital mode CHI digital input mode is set by pressing either one of SEL buttons and COUNTER MODE button at the same time for more than 3 sec Pressing the buttons again at the same time for more than 3 sec releases the digital input mode and returns the unit to the analog input mode CHI of MULTI DISPLAY does not light up when the LED is turned on Moreover CHI can not be selected as a monitor channel When the LED is turned on CH1 can not use the 0 BNC 1 0 connectors Use DIGITAL I O connector on the rear panel in this case Input connector The input voltage range is 0 5 V 2 5 V or 20 V maximum does not accept its input when the digital input is selected OUTPUT Output connector MONI OUT Monitor output Output connector The output Jevel can be adjusted with Volume control on the rear panel The output is not fed to when CHI DIO LED is lights up The output of the channel selected by the channel selector switch is as follows Mode MONI OUT
28. g automatic measurement By utilizing x1 standard speed reproduction except CH 1 16 recording and the optional MB 300 expanded memory board with the GP 302 digital data can be stored into buffer memory and retrieved for processing The easy to use DAT recording media are cassettes conforming to the DAT conference standards The recording method used by the RD I45T also conforms to the DAT standards 90197538 2 FEATURES 1 2 4 A 6 7 8 9 Two tape speeds Recording and reproduction will be made at a speed 1 matching to the DAT specification or a speed two times x2 the DAT specification In 4 8 or 16 channel recording with the x2 speed mode selected recording frequency is extended to 2 times the bandwidth obtained at x1 speed A tape recorded at the x2 speed be reproduced at the x speed or a tape recorded at the speed can be reproduced at the x2 speed Multi channels and wide band The RD 145T allows record channel selection of 2 4 8 and 16 channel selection at the x tape speed The record bandwidth is 20kHz for 2 channels IOkHz for 4 channels and 5kHz for 8 channels and 2 5 kHz for 16 channels At the x2 tape speed RD 145T allows recording channel number selection of 4 8 und 16 channels The record bandwidth is 20kHz for 4 channels 1 2 for 8 channels and 5 kHz for 16 channels Digital input CHI accepts analog inputs or 14 bit parallel digital
29. ge 25 Note 2 No recording can be performed on any E mark Note 3 No E mark can be written following an unrecorded portion or in a range within nine seconds 4 5 seconds at x2 speed from an ID change E SEARCH End search Pressing this button performs REW searches a tape for the end of recording ora recorded E mark from BOT ata high speed and stops tape running Pressing this button three seconds in the STOP mode performs the above operation MPX SELECT button LED CHI 2 4 CHI 8 CHI 16 Switches the number of channels used for recording The LEDs for recording light as follows This switch is disabled during recording When this switch is set to CH to 2 signals can be input to or output from the first and second channels When the switch isset to CHI to 4 signals can be input to or output from the first through fourth channels When the switch is set to CHI to 8 signals can be input to or output from the first through eighth channels When the switch is set to to 16 signals can be input to or output from the first through sixteenth channels wif 5 90197550 Part Function REP ERROR Lights when data error occurs the FWD or FWD mode resulting LED from adamaged tape recording malfunction reproduction malfunction Data reproduction or clogged head error Lights when a tape which was recorded by the audio tape
30. ime is displayed when a recording is made at speed of x However when a recording is made at speed of x2 the time is displayed as twice the real time PGM Minute and second display from 000 whenever recording Starts Note 2 A real time is displayed when a recording is made at speed of xl However when a recording is made at speed of x2 the time is displayed as twice the real time ID Displays 01 to 10 CLOCK CALENDAR Displays the recorded year month and date REAL TIME Displaysthe recorded hour minute and second Bar meter Each channel Displays the value of the recorded signal M memo channel Displays the level of the recorded ambient sound SP VOL DATA MEMO selector switch enables the sound recorded in the memo channel or data sound of the channel selected by CH SEL to be heard MONI OUT Outputs data of the data channel selected by CH SEL MEMO OUT The data can be listened to using the earphone in which case the speaker is disconnected s 90197556 5 2 5 3 Input Connections and Tape Speed CH MPX and Setting of Input Range Connect the 1 0 cable supplied with the unit to the INPUT connector and connect a signal corresponding to each channel cable With the tape speed selected RD 145T accepts inputs through CHI CH2 1 4 CH I CH8 CHI CH16 and the channels can be switched with the MPX SELECT button 1 2 1 4 CH1 8 CHI 16 Recording frequency is DC to 20kHz for
31. inputs switched The digital signals enter or output through the multiconnector on the rear panel This allows recording of 14 channel contact signals externally converted A D signals etc thus extending application fields of the data recording High quality data accuracy desired input range can be selected among four ranges An ADC using the delta sigma method is used for each channel The 64 fold over sampling digital filter provides the satisfactory anti aliasing characteristics An octuple over sampling digital filter is used for output Using filters designed to suit the purpose provides the following high quality data The signal to noise ratio is 75 dB The frequency characteristic flatness is 0 5 dB 1 dB The phase difference between channels is 2 or less at same input range Small and compact The data recorder is approximately 306 mm wide x 128 mm high x 280 mm deep 12 16 x5 1 6 x 12 16 in and weighs approximately 7 5 kilograms 16 5 165 The data recorder is therefore very portable Long recording time When a 120 tape approximately 60 m is used data can be recorded continuously for two hours by x1 speed Three power supplies The RD 145T operates on either ac input of 90 to 264 volts dc input of 11 to 30 volts which are provided normally and an optional rechargeable battery unit The battery unit can be incorporated by mounting it on the data recorder The RD 145T can be used both indoors and outdoors
32. is pressing the FWD button starts data recording Note Pressing the REC and FWD buttons at the same time does not start data recording Note 2 The REC and PAUSE indicators flash and the data recorder enters the UNLOAD mode after approximately one and half minutes by x2 and 3 minutes by tape speed elapse in the REC PAUSE mode Pressing the FWD button in this status starts data recording Note 3 When the user presses the FWD button with the REC and PAUSE indicators flashing the data recorder enters the REC mode after a few seconds PAUSE button LED Pause Pressing the PAUSE button while in the REC or FWD mode pauses recording or reproduction Pressing the FWD button again resumes recording or reproduction Pressing the PAUSE button while in the FWD mode causes the PAUSE LED only to light Pressing the PAUSE button while in the stop mode is equivalent to the pausing while in the FWD mode Note data recorder enters the stop mode after approximately one and half minutes by x2 and 3 minutes by tape speed elapse in the FWD PAUSE mode It enters the UNLOAD STOP mode after approximately one and half minutes by x2 and 3 minutes by tape speed elapse EJECT button Ejection Pressing the EJECT button once while in a mode other than the REC and REC PAUSE modes opens the 8 cassette compartment enabling the tape to be inserted or removed Note Eject operations are valid only when the po
33. kit running system parts which are visible when the cassette compartment is removed 6 3 Action to Be Taken When the Tape is Caught by the Rotary Head If the tape becomes tangled around the head due to condensation immediately turn off the power and contact your nearest TEAC distributor In case of emergency take the following measure and contact a TEAC service agency 1 Turn off the power and disconnect the power cable 2 Remove the setscrews 2 pcs on top and pcs on the rear panel for the cassette compartment and slide the top cover backward Top cover M3 plastic screws 2 pcs 3 Loose the screws on the rotary head cover and remove it 4 Manually turn the rotary head catching the tape about one turn clockwise 5 Leud out the slack tape with tweezers or a ball point pen when the caught tape becomes slack Leud more tape turning the rotary head clockwise to untangle the tape 30 90197567 6 Press down the lever in front of the cassette tape to open the cassette compartment Cassette tape Pull the lever down 7 Take out the cassette tape slowly and draw the tape into the cassette 3 Open the cover 4 Rotate the reel to wind the tape 1 Press these convex portions 8 Check whether any foreign material has adhered to the drum where the tape was tangled by turning the rotary head slowly Wipe off any foreign material with a cotton swab moistened with cleaning f
34. l be made under STOP mode or no tape loaded Microphone SW When this switch is on with no external microphone connected the microphone built in the main unit is on When this switch is on with an external microphone connected the built in microphone is off and the external microphone is on regardless of whether the press talk SW on the external microphone is on When this switch is off the built in microphone is off The external microphone operates depending on whether the press talk SW is on Note When external microphone is connected to the optional ER 40 remote control unit the setting of the built in microphone SW on the main unit does not work Microphone hole Hole for the built in microphone LOCK LED Lights up in the panel lock status PM Part Name Function BATT ALM Voltage alarm indicator Flashes when the voltage is 11 or less when the de power or optional battery unit is used MEMO OUT Earphone output Used when the memo sound is input with the microphone supplied as an accessory When the microphone jack is plugged into the MEMO IN connector the built in microphone is automatically disconnected and memo sound can be input via the external microphone only Used to hear the memo sound or data sound from the earphone When the earphone is plugged into the MEMO OUT jack the sound
35. level has been adjusted to develop 2V peak when 100 input enters with the OUTPUT LEVEL control turned in fully counter clockwise direction until clicks are heard 20 90197557 5 4 5 5 5 6 Memo Announcement Recording or Reproduction This unit is equipped with a built in microphone so that it always records its ambient sound automatically when the user presses the REC and FWD buttons with the MIC ON OFF switch on The microphone provides the AGC control facility so that recording can be made at an appropriate level The bar meter at mark M shows the input level of the microphone When recording sound using an external microphone plug the external microphone into the MEMO IN connector The microphone picks up sound when the user presses the press talk switch When the MIC ON OFF switch is on the microphone picks up sound regardless of the status of the press talk switch The built in microphone is disconnected automatically when an external microphone is used When there is no memo to be recorded the MIC ON OFF switch must be turned off The speaker is used to reproduce the sound When the user plugs the earphone into the MEMO OUT connector the speaker is disconnected Data Sound Monitoring The user can listen to the input sound or the output sound reproduced from the tape in this unit When the DATA MEMO switch is set to DATA the current mode is changed to the data monitoring mode Then select a channel with the CH SE
36. luid of the TZ 350H cleaner kit Do not wipe the rotary head however 9 After cleaning slowly wipe the surface of the drum with a dry cotton swab Care must be taken 10 prevent fragments of the cotton swab from adhering to the drum 10 After the drum dries turn on the power and allow 10 to 20 minutes for the unit to warm up 11 Run the cleaning tape for about 10 seconds then eject the cleaning tape turn off the power and install the top cover and the lid of the cassette compartment Plastic screws are used 10 secure a part of the top cover and the cassette compartment cover so they will be damaged if too tightened To prevent this tighten the screws with specified torque shown below Top cover M3 plastic screws 2 pcs 800g cm Cassette compartment cover M2 plastic screws 4 pes 350g cm 12 Check that the unit is functioning properly recording and reproducing with a new cassette tape Note Do not re insert the damaged tape The tape may cause a problem because it is nearly worn out a flow is made on it or dust adheres to the rotary head Do not clean the head section with alcohol cotton swab etc Always use the cleaning cassette attached X 90197568 7 CONFIGURATION Tape transport l HEAD AMP PCBA TTP I F PCBA Servo signal processing error correction control ete CONTROL 1 PCBA CONTROL 2 PCBA AD DA PCBA Front panel assembly Power supply uni
37. ng a tape cassette which may cause the tape cassette to be pushed back a little before closing the cassette compartment push in the tape cassette all the way Avoiding BOT Beginning of Tape and EOT End of Tape Avoid tape parts near BOT or EOT to ensure recording That s because near BOT or the connection between the tape and Ihe reel imprints the tape causing dropouts Especially avoid the last two minutes of the tape where imprints may be severe When storing tapes rewind them to BOT order to form imprints near BOT Mounting optional Accessories Mount the optional accessories after checking the data recorder Refer to each specification manual for mounting the optional accessories GP 302 GPIB interface unit BU 41 battery unit and ER 40 remote control unit etc 4 APPEARANCE AND FUNCTIONS CY 4 1 Appearance 0 4 1 1 Views from three sides v e amp 90197549 5137424 4 2 Reference Numbers 2 3 2 5 OG li LA 44 5 es 90207947 90197545 gl gt 4 3 Names and Functions Part No Name Function REW button LED Rewind Pressing REW button in the stop mode rewinds the tape Pressing the REW button once while in the FWD mode rewinds the tape until the beginning of the data with the currently displayed ID number at high spee
38. ontrol REW F FWD PAUSE FWD STOP and REC push button switches Note Tape speed switching function is not provided Microphone microphone input connector and LOCK feature of the microphone press talk switch are provided ID The EVENT switch is provided Power supply check low voltage indicator is provided for when the unit is used with de power Cable length Approx 5 m 16 4 ft Weight Approx 550 g 1 21 Ibs Dimensions Approx 165 W x 55 H x 64 D mm 6115 x 23 16 x 21 excluding protrusions Fixed Handle for Vehicle TZ 701 Rack mount Adaptor TZ 705 RME RMJ GPIB Interface Unit GP 302 Power requirements 90 to 250 Vac approx 20VA Functions Transport control and retrieval Tape speed switching function is not provided Weight Approx 3 5 Kg 7 7 Ibs including MB 300 Dimensions Approx 306 W x 48 H x 377 D mm 121716 x x 4 e in excluding protrusions Memory Board MB 300 Installation method Built in the GP 302 Memory capacily 3M bytes Note Not used in reproduction mode at tape speed x2 use at tape speed 1 Note 2 Data transfer is impossible when used recorded tape by CH 1 16 mode YUIY OY SPECIFICATIONS 10 1 Major Specifications Recording and reproduction method Tape used Recording format Number of quantization bits Recording data length Head Recording and reproduction Error correction method Tape s
39. ording and reproduction frequency 8 15 min s 2 4 16 changeover 4 8 or 16 changeover 48 kHz 24 kHz 12 kHz G kHz 48 kHz 24 kHz 12 kHz de to 20 kHz de to 10 kHz dc to 20 kHz dc to 10 kHz dc to 5 kHz dc to 2 5 kHz dc to 5 kHz Note Speed conversion will be made in the record and reproduce mode However tape recorded in the data 2 channel mode at speed of 8 15 mm sec not be reproduced at x2 16 3 mm sec speed 44 Frequency characteristic Nat Qutpul filter SN ration Phase dillerence between Channels skew 90197571 Crosstalk Linearity Distortion Drill 5 1dB Both octuple over sampling digital filter and a low pass filler are used 78dB Within the bandwidth 2 or less at same input range 0 28 20kITz al same input range 0 56 5 at same input range 1 1 Iz al same input range 2 2 p s lor 2 5klHz at same input range 78dB Within the bandwidth 1 0 1 0 1 or less after 10 minutes of heat run 10 3 Digital Channel Analog channel CH1 is switched Input level Output level Rec reproduce bit Transler speed Sync lock CMOS level Open collector output pull up to 5V 14 bit parallel Equal to sampling rate of analog channel Yes Note When the digital channel is sclected CH 1 analog not be recorded reproduced 10 4 Operating Conditions Oper
40. peed Head rotational speed Recording time Start or stop ume Fast forward or rewind time Input voltage Input impedance Input filters Output voltage Output impedance Analog input and output system by multiplexing PCM recording and reproduction DAT standard tape Hitachi Maxell tapes are designated DMI20 tape length 60m tape width 3 81 mm DM60 lape length 30m tape width 3 8 mm Note Refer to 3 5 Cassette Tape on page 5 Conforms to the helical scanning R DAT format 16 High order 14 bits of quantization bits 4heads 2 head azimuth system for recording 2 head azimuth system for reproduction Erasure method by overwriting Double encoded Reed Solomon Code System x1 8 15 mm s x2 16 3 mm s during recording or reproduction x1 2000 rpm x2 4000 rpm during recording and reproduction 1 2 hours x2 hour during continuous recording with a 60 m tape DM 120 I hour x2 30 minutes during continuous recording with a 30 m tape DM 60 Approx 2 seconds Approx 60 seconds for a 60 m tape DM 120 10 2 Specifications Analog Channel 0 5 Vp 2 Vp 5 Vp 20 Vp max 100 unbalanced nominal Both an analog filter and a 64 fold over sampling digital filter are used 2 Vp to 5 Vp load resistance 100 or more 75 Q nominal Number of data channels and recording and reproduction frequency x2 16 3 mm s Speed Number of data channels Sampling rate Rec
41. recorder such as audio R DAT is reproduced Note This indicator lights when an unrecorded tape is reproduced The status of this indicator remains unchanged until the next reproduction MPXREPRO LED CHI 2 MPX display during reproduction If two channels are selected during recording the CHI to 2 indicator automatically lights in the FWD mode If four channels are selected during recording the 1 4 indicator automatically lights in the FWD mode If eight channels are selected during recording the 8 indicator automatically lights If sixteen channels are selected during recording the CH1 16 indicator automatically lights Note When tape containing no record is reproduced all indicators light Even when reproduction is completed these lights remain on until the next reproduction start CHI 4 CHI 8 1 16 SPEED LED Shows recording speed ofa reproduced tape x2 LED lights up automatically x2 when a tape recorded at x2 speed is used and x1 LED lights up auto matically when a tape recorded at 1 speed is used Note Reproduction tape speed will be set with SPEED SELECT Note 2 The display is not defined during error display e Note 3 The display is stored after completion of the reproduction SPEED SELECT button LED x2 Sets tape speed for recording and reproduction The setting wil
42. t Se sg Caution label Instruction Manual Chassis STANDARD ACCESSORIES R DAT cassette tape 1 BNC cable 33 Connector 37 digital 1 Connector cover 1 Slotted screw driver 1 power cable 1 dc power cable 1 1 R DAT cleaning tape Cleaner kit Fuse 2A for ac 6 3A dc 1 for each Vinyl bag for accessory storage 1 90197569 9 5 9 1 9 2 9 3 9 4 9 5 9 6 9 7 Rechargeable Battery Unit BU 41 Battery capacity 12 V 6 5 Ah 20 HR Recording time Approx one hour continuously when fully charged at the room temperature Charging method The charge function is provided for in the power supply of this unit Protect function Overdischarge protective function provided for in the power supply unit Circuit breaker for protection against overcurrent Installation method Installed with screws at the rear of the recorder Weight Approx 2 6 kg 5 7 Ibs Dimensions Approx 240 W x 109 H x 75 D mm 97 16 X 4116 x 255 56 in excluding protrusions Battery Charger BU 41CH Available battery Dedicated to the BU 41 BU 40 is also available Charging time Approx three hours Two units can be charged in parallel Power requirements 9010 130 Vac or 180 to 264 Vac Dimensions Approx 190 W x 90 H x 270 D mm 71 5 x 39 16 x 105 g in excluding protrusions Remote Control Unit ER 40 C
43. tage and frequency The values in parenthesis are rated values 90 to 264 100 to 240 Vac 48 to 440 50 to 60 Hz 11 to 30 12 to 28 Vde Automatic ac dc changeover ac precedes dc however The LOW BATT alarm function operates at approx 11 Vdc or less Output is cut off at approx 10 2 Vde or less Overdischarge protection function Approx 0 85 A with 100 Vac Approx 3 6 A with 12 Vdc Approx 306 x 128 x 280 mm 12 51 16 11 in excluding protrusions Approx 7 5 kg 16 5 Ibs 10 7 External View Dimensions 4346106 14 7 6 19 128 51 16 i o sayoul GOES Information Products 51 1 Recorders VESLUE MEAS Sensors amp Amplillers 3z31 7 va3vv43 5 Communications Recorders eX 3974752 U Mass Storage Products 52215 7U video Recorders 737 427 7L 1 video Disk Recorders FAHERS SER El Computer Peripheral Products 201v E 74 4 2 PF 4 J Floppy Disk Drives 9 CD ROM F 2 1 J CD ROM Drives 80 S 3SIE Streamers EO 007 4C 77 I Sa Other Products e J 77 U 37t C3 9 OA Fp ABE VAP VIER Audio amp Visual Products FAP ORR Fis0 BRM Me HAM 3 7 3 MACS mm 0422 52 5010 5012 DIV FAX 0422 52 1390 AR 55 0422 52 5046 5047
44. th Hold time more than 20nsec Tape speed MPX tsamp tstb usec x2 speed CH1 4 20 83 x2 speed 1 16 83 34 speed 1 2 20 83 xl seed 4 41 67 speed CHI 8 83 33 speed CHI 16 166 67 Output timing DO 0 to DO 13 DATA Er See a 515 tsamp td DATA fixed after about 20nsec tstb tsamp are same time as the input side Latch the DATA at falling edge of OUT STB oe connector signal table Connector Dsub 37 pins socket side 90197564 Note 45V output allows maximum load of 100mA 6 Analog channel and time relation The digital channel data which differs from analog channel data are recorded and reproduced without passing through analog and digital filters so they are output ata fast timing when compared with those in the analog channel The time is as shown below X2 speed CHI 4 approx 1 7msec X2 speed CH 8 approx 3 4msec X2 speed CH1I 16 approx 6 8msec Xl speed 2 approx 1 7msec speed CHI 4 approx 3 4msec Xl speed CHI 8 approx 6 8msec XI speed CH1 16 approx 13 6msec Analog channel Digital channel 1 i _ 529 90197565 6 MAINTENANCE As a helical scanning rotary head is used in this unit the maintenance for this unit is a little different from that of an analog recording data recorder Read the following explanations and follow the maintenance procedures 6 1 Cleaning
45. the monitor channel Specifies a channel for which the input range is to be set with RANGE The LED corresponding to the specified channel at the top of amp MULTI DISPLAY lights During STOP mode pressing either one of CH SEL buttons and 9 COUNTER MODE button at the same time for 3 seconds sets CHI digital input mode and LED lights up Pressing the buttons again at the same time for 3 sec returns the mode to normal analog input mode With the digital input mode selected the can not be selected as a monitor channel COUNTER Displays the minutes and seconds which are recorded on the tape Minutes seconds Alternatively displays the minutes and seconds which have been display recorded on the tape The maximum display is 199 mihutes and 59 seconds Note If a tape is used which has no counter value recorded in each mode nothing may be displayed MODE SW button Switches the counter display between the ABS Absolute and PGM A P mode switching Program modes During STOP mode pressing either one of CH SEL buttons and MODE button simultaneously for3 seconds the unitenters CHI digital input mode and LED lights up Pressing the buttons again for 3 sec the unit returns to the normal analog input mode ABS Absolute LED When the LED lights the absolute time from the beginning of the tape Absolute time BOT is displayed on the 2 COUNTER Note
46. time speed tape running mode No reproduction signal is output however LED lights up in CUE F FWD modes FWD button LED Reproduction Pressing the FWD button while in the stop mode runs the tape in the forward direction and reproduces the tape Setting the ID number with the Number buttons in the stop mode then pressing the FWD button searches the tape for the set ID number at high speed then automatically reproduces the tape Note When the ID number is recorded incorrectly the above opera tion may not be performed LED lights up in FWD REC FWD CUE REVIEW modes STOP button LED LOAD STOP UNLOAD STOP Stop Pressing the STOP button while in any mode stops the tape running or releases the pause mode and LED lights up There are two stop modes LOAD STOP When the tape is touching the head UNLOAD STOP When the tape is not touching the head and the tape has reached its end 1 The data recorder enters the UNLOAD STOP mode after approximately one and half minutes by x2 and 3 minutes by tape speed elapse in the LOAD STOP mode The STOP LED and 7 segment ID LEDs flash Note 2 The UNLOAD STOP mode is for protection of the tape and the head 90197546 Function REC button LED Recording Pressing the REC button while in the stop mode lights LED causes the REC and PAUSE indicators to light and prepares for recording After th
47. tte Press the cassette compartment until it locks compartment 6 Automatic tape loading the tape is loaded automatically it touches the head and runs a little COUNTER Off ID 00 CLOCK Calendar or time display 7 Press the REC button The REC and PAUSE indicators light Preparation for recording is complete M iD bb lt pe These indicators flash for about five seconds PAUSE 8 Press the FWD button Recording starts the moment the REC and FWD indicators light COUNTER Recording elapsed time display common to both ABS and PGM modes Note 1 The COUNTER shows a real time when a recording is made at speed of x1 However time is counted at a rate of twice the real time when the recording is made at speed of x2 That is the counter Approx 60 shows a time converted into a time equivalent to the speed of x1 ID 01 CLOCK Calendar or time display When the TEST button is pressed this unit records 1 kHz and approx Press the TEST 5096 test signal button Bar meter The last threc dots are turned on for cach channel For channel M memo ambient sound level is indicated Generation of the test signal stops when the TEST button is released 5 9019 554 ml Precautions and display of this unit 9 Press the PAUSE button The tape stops running temporarily the moment the REC and PAUSE indicators light COUNTER Stops ID 01 CLOCK Calendar or time display 10 Press the FW
48. ve current flows from the battery at power on time Therefore use the power suitable for this current When using the BU 41 battery unit optional accessory mount it securely on the data recorder Use the optional BU 41 CH battery charger for charging the BU 41 When the dc power supply including the BU 41 battery unit is used in the RD 145T automatically operates if the voltage drops below approximately 10 2 V shutting off the power In this case turn the POWER switch to the position to prevent the battery from discharging To use dc power again charge the battery so that the correct de power voltage is obtained and turn the power on Note Under the low voltage protection circuit actuated once the unit does not operate if dc power is connected with the power switch turned to the position In such a case turn the power switch to and then 1 3 5 Cassette Tape 90197541 3 6 19 343442 3 RA E Ie a b Designated Tape We designate DM120 or DM60 manufactured by Hitachi Maxell Co Ltd for the RD Series data recorders Tapes other than those designated may fail to record or reproduce At worst they may cause unexpected trouble to the unit If the designated tapes are not available contact us Tape Insertion When inserting a tape cassette in the cassette compartment before closing the compartment always make sure that the tape cassette is pushed in all way Also after ejecti
49. way After completion of the setting change the display mode to the bar meter display B side LED lights up by pressing the B R button Press the REC button and check the input level under the REC PAUSE condition Each value for the input RANGE is maximum value A voltage higher than this value will cause signal saluration so will be necessary Always set the range so that OVER uppermost of the bar meter does not light up Note The RANGE setting can be made during REC FWD Output Connection and Level Adjustment The output connectors develop the input signals in the REC PAUSE and REC FWD modes and the tape reproduction signals in the FWD mode Connect the connector to other equipment using the I O cable supplied with the unit Note No output is available in a mode other than REC PAUSE REC FWD and FWD Output level adjustment The output level can be adjusted within a range of 2 to 5 with the OUTPUT LEVEL control on the rear panel Since a DC OUTPUT CAL signal is obtained in the STOP mode as in the following and it can be used for the output voltage adjustment or to check input level for other equipment Press the TEST button and P LOCK button simultaneously in the STOP mode and a DC voltage cor responding to 100 input will be obtained Press the TEST button and E MARK button simultaneously in the STOP mode and a DC voltage cor responding to 100 input will be obtained The output
50. wer is turned on MULTI DISPLAY Bar graph input range display The input ranges or bar meters selected by the 9 B R button are dis played In the top row the monitor channel or the channel for which the input range is to be switched is displayed When the bar meters are selected the I O levels of all channels and memo announcement are displayed In the REC PAUSE or REC FWD mode the input levels are displayed In the FWD mode the reproduc tion levels are displayed When the input ranges are selected the input ranges of all channels are displayed with dots CHI bar meter does not light up when CHI is in digital input mode while LED is lighting B R button LED BAR RANGE This is an alternate switch This switch selects the input ranges or bar meters for MULTI DISPLAY When the input ranges are selected the RANGELED lights Pressing the 0 RANGE button switches the input range of the channel selected with the CH SEL button When the bar meters are selected BAR LED lights The bar meters are displayed in MULTI DISPLAY so that the user can monitor the input status Pressing this button selects 0 5 2 5 20 Vp for the input level of the channel set with CH SEL This operation is enabled only when RANGE is selected with the S B R button range can not be set when is in digital input mode IQ 90197547 Pas Name Function Part No SEL Selects
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