Tascam Digital Multitrack Recorder DA-98 Owners Manual
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Section 14 – Maintenance and memory setups 14-2 – 1.00 – 06/97 • Do not attempt to rewind or fast forward the cleaning tape, either in the DA-98 or in a video unit. Simply insert it into the DA-98 when you use it the next time. • Excessive cleaning can cause excessive wear on the heads. Do not clean the heads too fre- quently, and never perform the head cleaning procedure more than 5 times running. • In addition to cleaning the heads, we recom- mend that you have the DA-98 checked by an authorized TASCAM service technician every 500 hours or so of use. 14.1.2 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 error rate of the tape. You can check the error rates at two tape posi- tions, edge and center, for each of the two heads. 1) Use the cursor keys [25] so that the cursor is by menu group 9: 2) Press ENTER: 3) Use the UP and DOWN keys to select between Edge and Center. Block errors are shown by a solid block. It is inev- itable that there will be a few errors, but if the dis- play consists mainly of solid blocks while the tape is playing, something is wrong (and you will 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 the cause of trouble.If playing another tape seems to remove the errors, the problem is with the tape, otherwise you may want to clean the heads (see 14.1, “Head and trans- port cleaning”). Remember not to clean the heads more than 5 times in a row. 14.1.3 Checking head time This function allows you to check the number of hours that the head has been used in play or record mode. 1) Use the cursor keys [25] so that the cursor is by menu group F, and then press ENTER [27]. 2) Within menu group F, move the cursor so that it is by the Dr total field. The number of whole hours that the head has been in use will be shown on the bottom line of the display. 14.1.4 Checking head search time This allows you to check the number of hours that the head has spent in fast forward and rewind modes: 1) Use the cursor keys [25] so that the cursor is by menu group F: 2) Press ENTER. Select Menu Group 01234567 89----EF Version/Drum time Block Error Rate AHead BHead Tape Edge NOTE If, after trying different tapes and cleaning the heads, you still see many errors, you should contact a TAS- CAM service technician to check your DA-98. Select Menu Group 01234567 89----EF Version/Drum time Sys ver Front ver Servo ver Sync ver Dr total Dr search 0014 Select Menu Group 01234567 89----EF Version/Drum time
Section 14 – Maintenance and memory setups 06/97 – 1.00 – 14-3 3) Within menu group F, move the cursor so that it is by the Dr search field. The number of whole hours that the head has been in use for fast forward and fast rewind will be shown on the bottom line of the display. 14.2 Memory backup The DA-98 includes non-volatile memory (NVRAM) which preserves almost all user set- tings after the power is turned off. 14.3 User setups You can save commonly-used setups in one of three user setup memory banks: 1, 2 or 3. This enables you to pre-configure the DA-98 for differ- ent jobs (video or film post-production, or differ- ent recording setups, for example). There is also a preset memory bank which contains the factory settings (see below). When the DA-98 is shipped, the contents of all setup memories are the same; they contain the fac- tory settings. 14.3.1 Saving user setups 1) Go to menu group 9, move the cursor to Setup and press ENTER: 2) To store the current setup, use the UP and DOWN keys so that the bottom line reads Save:3) Move the cursor to 1, 2 or 3, and press the UP or DOWN key: 4) The word Ready? will flash on the screen. To save the current setup to the selected setup memory, press the UP or DOWN key. The word Done will appear on the screen for about 2 seconds and the user settings will be stored to the selected setup memory bank. 14.3.2 Loading user setups 1) Go to menu group 9, move the cursor to Setup and press ENTER: 2) To load the setup memory into the current memory, use the UP and DOWN keys so that the bottom line reads Load: 3) Move the cursor to 1, 2 or 3, and press the UP or DOWN key: The word Done will appear on the screen for about 2 seconds.. The contents of the currently-selected setup will be loaded into memory. Sys ver Front ver Servo ver Sync ver Dr total Dr search 0002 Setup Load123F Setup Save 1 2 3 Setup Ready ? Save 1 2 3 Setup Load 1 2 3 F Setup Load 1 2 3 F Setup Ready ? Load 1 2 3 F
Section 14 – Maintenance and memory setups 14-4 – 1.00 – 06/97 14.3.3 Resetting the memory You may sometimes want to reset all of the mem- ory to factory settings. The values of all the fac- tory settings are listed in 12, “Menu and parameter reference”. 1) Go to menu group 9, move the cursor to Setup and press ENTER: 2) Press UP or DOWN to select Load from between Load and Save. 3) Use the RIGHT key to move the cursor to F (factory). Press the UP key, and you will see the word Ready? flashing on the screen. 4) Press the UP key again to change the Ready ? to Done. This confirms that the memory has been reset to factory settings. 14.4 Checking version numbers In case of problems, you may need to quote the version number of the DA-98’s internal software components to a TASCAM representative. 1) Use the cursor keys [25] so that the cursor is by menu group F, and then press ENTER [27]. 2) Within menu group F, move the cursor so that it is by the Sys ver(system version), Front ver(front panel software version), Servo ver(servo control software version) or Sync ver(version of the synchronization software) field. The version number of the appropriate software will be shown on the bottom line of the display. 14.4.1 Software upgrades TASCAM pursues a policy of continuous improvement to products, and there may be future enhancements to the DA-98 software. Your TAS- CAM dealer will be able to advise you of develop- ments in this area. Setup Load123F Select Menu Group 01234567 89----EF Version/Drum time Sys ver Front ver Servo ver Sync ver Dr total Dr search Ver 1.00
Section 15 – Options, specifications and reference 06/97 – 1.00 – 15-1 15 – Options, specifications and reference 15.1 Options for the DA-98 You can purchase a number of options through your TASCAM dealer. 15.1.1 RM-98 Rack Mount Adaptor The RM-98 Rack Mount Adaptor consists of a pair of rack handles which can be fitted to the DA- 98 to help with removing it from the rack for transportation, etc. To fit these handles, you must first remove the rack mounting ears fitted to the DA-98 as shipped, and attach the handles as shown in the illustration below. The DA-98 is also fitted with screw holes in the case which allow you to fit Accurideâ 1 200 series guide rails (18” or 20”) which also help with removing and replacing the DA-98 from and to rack installations. 1 Accuride is a registered trademark of Accuride International Inc. Accuride strips are fitted as shown below: Make sure that all screws and bolts are securely tightened before replacing the DA-98 in the rack. 15.1.2 Remote control (RC-848) The RC-848 Multi-unit Remote Controller can be used with the DA-98 as well as the DA-88 and DA-38 DTRS recorders. However, note that not all functions of the DA-98 can be used with the RC-848. The RC-848 can be rack-mounted using the RM- 8824, or placed on a roll-around stand (CS-848). If a longer cable is required, the 10 meter (30 ft.) PW-848L can be used. The RC-848 can also be connected to units with an ACCESSORY-2 connector. For these purposes, the PW88-AC2 cable is required. • If an RC-848 controller is used, it should be connected to the DA-98’s REMOTE IN/SYNC IN connector [43]. • Up to 6 DTRS units can be controlled using one RC-848 controller. • The first DA-98 or DA-38 unit in the chain should be given Machine ID 1 (ID 0 for DA-88 units), even if an RC-848 is used. • The last DTRS unit in the chain (even if it is the only one) must be terminated at the SYNC OUT connector [44] using a TASCAM terminator. 15.1.3 Meter unit (MU-8824) The optional MU-8824 external meter bridge unit can be connected using a PW-88M cable from the METER UNIT connector [46].
Section 15 – Options, specifications and reference 15-2 – 1.00 – 06/97 The meter can be rack mounted using the RM- 8824 rack mount angle accessory or mounted on the RC-848 using the MK-8824 mounting kit. No settings are necessary on the DA-98 to use this meter unit. 15.1.4 Digital audio convertors TASCAM supply two types of convertor which allow conversion between TDIF-1 and other digi- tal audio formats. The IF-88AE converts between eight audio chan- nels of TDIF-1 and AES/EBU (SPDIF), and the IF-88SD converts between eight audio channels of SDIF-2 and TDIF-1. The cables used to connect the IF88-SD to the SDIF-2 device are: 15.1.5 Cables As mentioned, TASCAM cannot accept any responsibility for damage caused by the use of the wrong cables. Always consult your TASCAM dealer to see if there is a ready-made cable to meet your needs. The TASCAM cables to be used with the DA-98 (at the time of writing this manual) are given in the table below: 15.1.6 CONTROL I/O connector pinout Cable Purpose PW-SD1 IF-88®SDIF-2 PW-SD2 SDIF-2 ®IF-88 Cable Purpose PW-88D 1 m (3 ft.) DA-98 « DTRS digital dub- bing cable PW-88DL 5 m (15 ft.) DA-98 « DTRS digital dub- bing cable PW-88S 1 m (3 ft.) DA-98 « DTRS sync cable PW-2D 2m (6 ft.) analog balanced audio I/O cable (e.g. DA-98 « M1600) PW-4D 4m (12 ft.) analog balanced audio I/O cable (e.g. DA-98 « M1600) PW-10D 10m (30 ft.) analog balanced audio I/O cable (e.g. DA-98 « M1600) PW-1ES 1m (3 ft.) standard 9-pin RS-422 cable PW-5ES 5m (15 ft) standard 9-pin RS-422 cable PW-88M External meter connecting cable Pin No.SignalPin No.Signal 1 PLAY 20 SUB GND 2 FFWD 21 SERIAL OUT 3REW 22– 4 AUX 1 23 SERIAL IN 5STOP 24– 6REC 252 FS 7AUX 2 26FLAG 1 8 CHASE 27 FLAG 2 9– 28C2 10 SUB GND 29 2F SYNC 11 PLAY TALLLY 30 F SYNC 12 FFWD TALLY 31 – 13 REW TALLY 32 SRCK 14 STOP TALLY 33 – 15 REC TALLY 34 LOAD 16 LOCK TALLY 35 – 17 AUX 1 TALLY 36 SUB GND 18 AUX 2 TALLY 37 SUB 5 V (max 50mA) 19 ACTIVE SENSE Cable Purpose
Section 15 – Options, specifications and reference 06/97 – 1.00 – 15-3 15.2 Specifications 15.2.1 Physical specifications 15.2.2 Power specifications 15.2.3 Digital recording characteristics 15.2.4 Tape recorder section Size (exc feet) w x h x d 482 x 176 x 357 (mm) 19 x 6.9 x 14.1 (in) Weight 11 kg (24 lb) Power requirements USA/Canada 120 VAC, 60 Hz U.K./Europe 230 VAC, 50 Hz Australia 240 VAC, 50 Hz Power consumption 62W Number of recording tracks 8 Sub-code ABS track, SMPTE/EBU timecode facility Sampling frequency 44.1 kHz, 48 kHz Recording resolution 16 bits linear Error correction Double-encoded Reed- Solomon code Format DTRS format Recording method Rotary-head, helical-scan method Tracking method ATF Erasure method Overwrite Head construction 2 x record, 2 x playback Tape type Hi8 MP tape / Hi8 ME 101.6mm 482mm 465mm 430mm 357mm 330mm 176mm 11mm Maximum recording time 108 min (using P6 120 tape) Other features Up to 16 DTRS units can be synchronized, giving up to 128 recording tracks
Section 15 – Options, specifications and reference 15-4 – 1.00 – 06/97 15.2.5 Tape transport 15.2.6 Inputs and outputs15.2.7 Audio specifications 15.2.8 9-pin (RS-422), MIDI, synchronizer specifications Vari speed±6% (0.1% steps) Fast forward/rewind time 80 seconds (using P6 120 tape) Time to play from stop Less than 2 seconds Search speed Maximum of 100 x play speed Shuttle speed Forward and reverse at 8.0, 4.0, 2.0, 1.0, 0.5 and 0.25 play speed (1.0 speed avail- able only in forward shuttle mode) Positioning accuracy To 1 sample Positioning lock time Within 8 seconds (when locating 2 DA-98s synced together) Analog inputs D-sub 25-pin balanced +4 dBu nominal (fullscale –16, –18 or –20 dB, selectable) Impedance: 20k W Analog outputs D-sub 25-pin balanced +4 dBu nominal (fullscale = –16, –18 or –20 dB, selectable) Maximum output levels +20 dBu (ref. level –16 dB) +22 dBu (ref. level –18 dB) +24 dBu (ref. level –20 dB) Impedance: 10k W Digital I/O D-sub 25-pin TDIF-1 format Remote in/sync in D-sub 15-pin Conforms to REMOTE IN/ SYNC IN protocol Sync out D-sub 15-pin Conforms to REMOTE IN/ SYNC IN protocol Word clock in/thru BNC connector, 75 W at TTL level ON/OFF (THRU auto- terminated) Word clock out BNC connector, 75 W at TTL level Level meter output D-sub 15-pin Timecode input XLR-3 balanced Input impedance: > 10 k W Input level: 0.5 Vp-p to 10.0V p-p Timecode output XLR-3 balanced Output impedance (< 100 W) Output level: 2.0 V p-pVideo INPUT/THRU NTSC or PAL Negative Sync Composite Video, Sync Composite Video or Frame Pulse (auto detect) 1 V p-p, ±0.2 V (Negative Sync Composite Video or Sync Composite Video) TTL Level (Frame Pulse) THRU automatically termi- nated (75 W) MIDI IN, OUT, THRU RS-422 D-sub 9-pin Conforms to RS-422 specifi- cations Maximum output level 20 dBu, 22 dBu, 24 dBu, ±1dB 3 levels are selectable Impedance load of 10 k W Frequency response 20 Hz to 20 kHz ±0.5 dB Signal-to-noise ratio (Fs=48kHz, Ref level= –16 dB)Source monitor > 100 dB (22 k LPF and A-weight) Recording / playback > 97 dB (22 k LPF and A-weight) Dynamic range (Fs=48kHz, Ref level= –16 dB)Source monitor > 100 dB (22 k LPF and A-weight) Recording / playback > 97 dB (22 k LPF and A-weight) Total harmonic distortion and noiseSource monitor < 0.006% Recording / playback < 0.006% (REC/PLAY 1 kHz SIN full-scale –0.5dB, 22 k LPF and A-weight) Crosstalk > 90 dB at 1kHz Emphasis 50/15 ms (playback) Cross-fade time 10ms to 200ms (10ms incre- ments) Track delay –200 to +7,200 samples (–4 to +150 ms) in single-unit increments. Can be set in samples or ms. Offset ±2 hours (to frame accuracy) MMC functions Track delay, track copy con- trolled by System Exclusive messages Supported timecode formats SMPTE 30, 29.97 drop, 29.97 non-drop, EBU 25 and Film 24 fps
Section 15 – Options, specifications and reference 06/97 – 1.00 – 15-5 Timecode offset Up to 24 hours (jamsync capability) ABS to SMPTE conversion facility (with offset) Video sync Video frame resolvable even when VIDEO not selected as clock source
Section 15 – Options, specifications and reference 15-6 – 1.00 – 06/97 15.3 MMC Bit Map Array Commands unavailable on the DA-98 are struck through, as for example (RECORD PAUSE). Byte Bit 7 Bit 6 (40H) Bit 5 (20H) Bit 4 (10H) Bit 3 (08H) Bit 2 (04H) Bit 1 (02H) Bit 0 (01H) c0- 0(06) RECORD STROBE(05) REWIND(04) FAST FORWARD(03) DEFERRED PLAY(02) PLAY(01) STOP(00) reserved c1- 0(0D) MMC RESET(0C) COMMAND ERROR RESET(0B) CHASE(0A) EJECT(09) PAUSE(08) RECORD PAUSE (07) RECORD EXIT c2- 0(14) (13) (12) (11) (10) (0F) (0E) c3- 0(1B) (1A) (19) (18) (17) (16) (15) c4- 0- 0- 0- 0(1F) (1E) (1D) (1C) c5- 0(26) (25) (24) (23) (22) (21) (20) c6- 0(2D) (2C) (2B) (2A) (29) (28) (27) c7- 0(34) (33) (32) (31) (30) (2F) (2E) c8- 0(3B) (3A) (39) (38) (37) (36) (35) c9- 0- 0- 0- 0(3F) (3E) (3D) (3C) c10- 0(46) SEARCH(45) VARIABLE PLAY(44) LOCATE(43) UPDATE(42) READ(41) MASKED WRITE(40) WRITE c11- 0(4D) ADD(4C) MOVE(4B) MTC COMMAND(4A) GENERATOR COMMAND(49) ASSIGN SYS. MAS (48) STEP(47) SHUTTLE c12- 0(54) DEFERRED VA R I . P L AY(53) COMMAND SEGMENT(52) GROUP(51) EVENT(50) PROCEDURE(4F) DROP FR. ADJUST (4E) SUBTRACT c13- 0(5B) (5A) (59) (58) (57) (56) (55) REC STROBE VARIABLE c14- 0- 0- 0- 0(5F) (5E) (5D) (5C) c15- 0(66) (65) (64) (63) (62) (61) (60) c16- 0(6D) (6C) (6B) (6A) (69) (68) (67) c17- 0(74) (73) (72) (71) (70) (6F) (6E) c18- 0(7B) (7A) (79) (78) (77) (76) (75) c19- 0- 0- 0- 0(7F) RESUME(7E) (7D) (7C) WA I T
Section 15 – Options, specifications and reference 15-7 – 1.00 – 06/97 r0- 0(06) GENERATOR TIME CODE(05) LOCK DEVIATION(04) AC TUAL OFFSET(03) REQUESTED OFFSET(02) SELECTED MASTER CODE(01) SELECTED TIME CODE(00) reserved r1- 0(0D) GP5(0C) GP4(0B) GP3(0A) GP2(09) GP1(08) GP0/LOCATE POINT(07) MTC INPUT r2- 0(14) (13) (12) (11) (10) (0F) GP7(0E) GP6 r3- 0(1B) (1A) (19) (18) (17) (16) (15) r4- 0- 0- 0- 0(1F) (1E) (1D) (1C) r5- 0(26) Short GENERATOR TIME CODE(25) Short LOCK DEVIATION(24) Short AC TUAL OFFSET(23) Short REQUIRED OFFSET(22) Short SELECTED MASTER CODE(21) Short SELECTED TIME CODE(20) reserved r6- 0(2D) Short GP5(2C) Short GP4(2B) Short GP3(2A) Short GP2(29) Short GP1(28) Short GP0 LOCATE POINT(27) Short MTC INPUT r7- 0(34) (33) (32) (31) (30) (2F) Short GP7(2E) Short GP6 r8- 0(3B) (3A) (39) (38) (37) (36) (35) r9- 0- 0- 0- 0(3F) (3E) (3D) (3C) r10- 0(46) SELECTED TIME CODESOURCE (45) TIME STANDARD(44) COMMAND ERROR LEVEL(43) COMMAND ERROR(42) RESPONSE ERROR(41) UPDATE RATE(40) SIGNATURE r11- 0(4D) RECORD STATUS(4C) RECORD MODE(4B) FAST MODE (4A) STOP MODE (49) VELOCITY TA L LY(48) MOTION CONTROL TA L LY(49) SELECTED TIME CODE USER BITS r12- 0(54) STEP LENGTH (53) TRACK INPUT MONITOR(52) TRACK SYNC MONITOR (51) RECORD MONITOR(50) GLOBAL MONITOR(4F) TRACK RECORD READY(4E) TRACK RECORD STATUS r13- 0(5B) GENERATOR COMMAND TA L LY(5A) CHASE MODE(59) RESOLVED PLAY MODE(58) CONTROL DISABLE (57) LIFTER DEFEAT (56) FIXED SPEED (55) PLAY SPEED REFERENCE r14- 0- 0- 0- 0(5F) MTC SETUP(5E) MTC COMMAND TA L LY(5D) GENERATOR USER BITS (5C) GENERATOR SETUP r15- 0(66) (65) FAILURE(64) RESPONSE SEGMENT(63) VITC INSERT ENABLE (62) TRACK MUTE (61) EVENT RESPONSE(60) PROCEDURE RESPONSE r16- 0(6D) (6C) (6B) (6A) (69) (68) (67) r17- 0(74) (73) (72) (71) (70) (6F) (6E) r18- 0(7B) (7A) (79) (78) (77) (76) (75) r19- 0- 0- 0- 0(7F) RESUME(7E) (7D) (7C) WA I T Byte Bit 7 Bit 6 (40H) Bit 5 (20H) Bit 4 (10H) Bit 3 (08H) Bit 2 (04H) Bit 1 (02H) Bit 0 (01H)