Page 2 - IMPORTANT; CAUTION
2 indicates safety information. IMPORTANT “Unauthorized recording of copyrightedtelevision programs, video tapes and othermaterials may infringe the right of copyrightowners and be contrary to copyright laws.” $ Do not insert fingers or any objects into the videocassette holder. $ Avoid operating or...
Page 3 - Contents
3 Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . 4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Parts and Their Functions . . . . . . . . . . . . 5 Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Connector panel . . . . . . . . . . . ....
Page 4 - Introduction; Features; -channel digital audio with high sound quality
4 Introduction The AJ-D250 is a digital VTR which uses 1/4˝ wide tapes. The incorporation of digital compression technologyensures that the deterioration in picture and sound quality suffered during dubbing will be much less than withconventional analog systems.The model has a compact and lightweigh...
Page 5 - Parts and Their Functions; Front panel; Counter display
5 ON POWER OFF DIGITAL VIDEO CASSETTE EJECT MENU REMOTE LOCAL AUDIO REC LEVEL CH 1 CH 2 INPUT SELECT S-VIDEO LINE OPTION BEGIN END AUDIO OUT SELECT CH 3 CH 4 MENU DATA DOWN UP MODE - + SET REW STOP FF PLAY PAUSE/STILL REC RESET COUNTER REMOTE Digital Video Cassette Recorder Parts and Their Functions...
Page 6 - The lamp lights during recording.
6 Front panel 1 POWER switch When the ON side is pressed, power is supplied tothe unit, and the counter display is illuminated. 2 Cassette insertion slot News gathering cassettes, general-purposecassettes and consumer-use cassettesaccompanied by the adapter are inserted into thisslot. Consumer-use c...
Page 8 - Connector panel
8 RS-232C AC IN SIGNAL GND OUTPUT CH1 CH2 AUDIO 2 CH1 CH2 AUDIO 1 VIDEO MONIT VIDEO S-VIDEO INPUT CH1 CH2 AUDIO REF VIDEO VIDEO S-VIDEO 1 3 ; 9 2 > : 7 8 6 5 4 = < Connector panel Parts and Their Functions
Page 9 - This motor is used to cool the unit.
9 RS-232C AC IN SIGNAL GND OUTPUT CH1 CH2 AUDIO 2 CH1 CH2 AUDIO 1 VIDEO MONIT VIDEO S-VIDEO INPUT CH1 CH2 AUDIO REF VIDEO VIDEO S-VIDEO Connector panel 1 AC IN socket Plug one end of the unit’s power cord into thispower socket. 2 SIGNAL GND terminal In order to reduce noise, connect this terminal to...
Page 11 - Operation; Turn on the unit’s power.; Turning on the power/inserting a cassette
11 ON POWER OFF DIGITAL VIDEO CASSETTE EJECT MENU REMOTE LOCAL AUDIO REC LEVEL CH 1 CH 2 INPUT SELECT S-VIDEO LINE OPTION BEGIN END AUDIO OUT SELECT CH 3 CH 4 MENU DATA DOWN UP MODE - + SET REW STOP FF PLAY PAUSE/STILL REC RESET COUNTER REMOTE Digital Video Cassette Recorder Operation Before proceed...
Page 12 - STOP mode
12 1 When the STOP button is pressed, the STOP mode is established.The STOP lamp lights, and the tape stops traveling. O In order to protect the tape, the tape protection mode will be established when the timeselected for the “STILL TIMER” setup menu item setting has elapsed. (See page 31)When the S...
Page 13 - Connect the signals which are to be recorded.; Adjusting the audio levels; Recording
13 1 Set the accidental erasure prevention tab on the cassette tape to “recording,” andinsert the tape. <Notes> O If recording prevention signals are included among the input signals, the input signals will notbe recorded properly. O Check that the SERVO lamp has lighted during recording. The ...
Page 14 - Insert the cassette tape.; Playback; No sound will be heard during still picture playback.
14 1 Insert the cassette tape. <Note>Check that the SERVO lamp has lighted during playback. The playback image will be disturbedif the lamp is off or flashing. 2 Press the PLAY button.Normal playback is now commenced. 3 Press the STOP button to end the playback.The unit is now set to the STOP ...
Page 15 - Audio switching; No sound will be heard during frame by frame advance.; REC CHECK
15 CH3 CH4 CH4 CH1+CH3 CH2+CH4 CH3 AUDIO OUT connectors CH1 output CH2 output CH1CH2 CH3 CH4 LED CH1 CH1 CH2 CH1 CH3 CH4 CH2 CH3 CH4 No display CH3 CH4 No display CH3 CH4 No display CH3 CH4 CH1CH2 CH3 CH4 The AUDIO OUT SELECT button is used to switch to the desired sound.By pressing this button, the...
Page 17 - Setting; OFF; Set the LOCAL/MENU/REMOTE switch to the LOCAL or REMOTE position.
17 1 Set the unit to the local mode (by setting the LOCAL/MENU/REMOTE switch to theLOCAL position). 2 When the BEGIN or END button on the front panel is pressed, the current positionis set as the BEGIN or END point. Setting the BEGIN and END points[Front panel] 1 Set the unit to the remote mode (by ...
Page 18 - Time Codes and User’s Bit; Time codes; Hours Minutes Seconds Frames; User’s bit
18 Time Codes and User’s Bit Time codes Time codes are used when recording time code signals generated by the time code generatoron the tape, reading out their values with the time code reader, and displaying the absolutepositions of the tape in increments of hours, minutes, seconds and frames. The ...
Page 19 - Setting the time code; Now follow the same procedure as for setting the time code.; The current time code value appears as the default value.; Press the SET button (REC button) upon completion of the settings.; Setting the user’s bit
19 Setting the time code Now follow the same procedure as for setting the time code. 1 Set the unit to the menu mode (by setting the LOCAL/MENU/REMOTE switch to theMENU position). <Notes> O The current time code value appears as the default value. O When the RESET button is pressed while the d...
Page 20 - Set the unit to the STOP mode.; Playing back the time code/user’s bit
20 1 Set the unit to the STOP mode. <Notes> O The colon between the seconds and frames changes to a period when a drop frame timecode is read. O Interpolation is automatically provided by the CTL signal if the time code signal is missing.The display appearing at this time will be as shown belo...
Page 21 - Superimposed Screens
21 Display positionThe position where the superimposed display appearscan be changed using setup menu item No.002“CHARA H-POS” and No.003 (CHARA V-POS).(See page 28) Superimposed Screens <Note>When the MODE button and the DATA+ button orDATA– button are pressed, the counter displayappears temp...
Page 22 - Superimpose Screens; TIME mode
22 <Notes>One of the following errors may be displayed on thethird line (remaining tape amount line) in the T&S&Rmode. (See page 74) [NO RF]: This appears when a blank part has beendetected on the tape.“E-09” appears on the front panel’s counterdisplay. [LOW RF]: This appears when ther...
Page 23 - where the changes are to be made.
Press the MENU-UP button or MENU-DOWNbutton to move the cursor ( ) to the item where the changes are to be made.The page can be scrolled up or down by pressingthe MENU-UP button or MENU-DOWN buttonwhile holding down the MODE button. 4 Press the DATA+ or DATA– button to changethe setting.The setting ...
Page 24 - Performs steps; SELECT
24 Setup (Initial Settings) SET–UP MENU <LOAD> NOFACTORY (ALL)FACTORY (NOT SYSTEM)USER (ALL)USER (NOT SYSTEM) Press the MENU-UP button or MENU-DOWNbutton to move the cursor to FACTORY (ALL),and press the SET button. O If the cursor is moved to FACTORY (NOTSYSTEM) and this operation is performe...
Page 26 - How to display the DIAG menu; Perform steps
26 Setup (Initial Settings) How to display the DIAG menu Set the LOCAL/MENU/REMOTE switch to theMENU position while holding down the EJECTbutton.The unit is now set to the DIAG display mode,and the HOURS METER appears on the videomonitor. 1 DIAG–MENU HOURS METER H0 OPERATION 00000H H1 DRUM RUN 00000...
Page 27 - Setup Menus; SYSTEM menu; The
27 Setup Menus SYSTEM menu Item Setting No. Superimposed display No. Superimposed display Description of setting The underlining denotes the factory mode setting. 05 VIDEO LEVEL 0000 0128 0255 128 0 127 For setting the video level.This item enables the video level to be varied by up to ±3 dB. 06 SET...
Page 28 - BASIC menu
28 Setup Menus BASIC menu The underlining denotes the factory mode setting. <Note>If the DATA+ button or DATA– button is pressed with the MODE button held down when the CHARA H-POS and CHARA V-POS items are being set, the counter display appears temporarily, and the positionscan be set while t...
Page 29 - OPERATION menu
29 OPERATION menu The underlining denotes the factory mode setting. Setup Menus Item Setting No. Superimposed display No. Superimposed display Description of setting 100 LOCAL ENABLE 00000001 DIS ST&EJ For selecting the switches which can be operated on the front panel in theREMOTE mode.0: None ...
Page 30 - INTERFACE menu
30 INTERFACE menu The underlining denotes the factory mode setting. Setup Menus Item Setting No. Superimposed display No. Superimposed display Description of setting 200 BAUD RATE 00000001000200030004 120024004800 9600 19200 For setting the RS-232C transmission speed (baud rate). 201 DATA LENGTH 000...
Page 31 - TAPE PROTECT menu
31 TAPE PROTECT menu The underlining denotes the factory mode setting. <Note>When a consumer-use DV format tape is used, the tape protection mode will be established in 10 secondseven if 30s, 1min or 2min is selected as the STILL TIMER item setting. Setup Menus Item Setting No. Superimposed di...
Page 32 - TIME CODE menu
32 TIME CODE menu The underlining denotes the factory mode setting. Setup Menus Item Setting No. Superimposed display No. Superimposed display Description of setting 500 VITC POS-1 00000001 0006 0010 10L11L 16L 20L For setting the position where the VITC signal is to be inserted.(The same line as th...
Page 33 - VIDEO menu
33 VIDEO menu The underlining denotes the factory mode setting. Setup Menus Item Setting No. Superimposed display No. Superimposed display Description of setting 600 VIDEO MODE 00000001 B/W COLOR For setting the recording and playback of the video signals.0: When monochrome signals are used1: When c...
Page 34 - AUDIO menu
34 Setup Menus AUDIO menu The underlining denotes the factory mode setting. Item Setting No. Superimposed display No. Superimposed display Description of setting 700 AUDIO EDIT IN 00000001 CUT FADE For selecting the joining method at the IN point during digital audio editing.0: Cutting1: Fading 701 ...
Page 35 - Editing; Editing with the RS-232C remote control; Read the operating instructions of the AJ-A250 carefully.
35 Editing Editing with the RS-232C remote control OUTPUT INPUT Using the RS-232C remote control (AJ-A250), which is available as an optional accessory, twounits—a player VTR and a recorder VTR—can be controlled directly from the controller to enablespeedier and more efficient assemble editing, inse...
Page 36 - Audio editing functions; Cutting
36 Audio editing functions The information (setup menu item No. 700, 701) concerning the selection of the joining methodused at the edit points is recorded during digital audio editing, and this information is detectedduring playback so that the edit points can be processed automatically.This applie...
Page 37 - First Edit Function; First edit for assemble editing; First edit for insert editing
37 First Edit Function (Preparing the editing tape) The CTL (control) signal must be recorded ahead of time onto the editing tape. The methodused to record it differs depending on whether assemble editing or insert editing is to beperformed. The “E-00” servo lock error appears on the tape counter wh...
Page 38 - Hardware specifications
38 1. Hardware specifications (1) Interface specifications Connector: D-SUB 25 pinsDCE specifications (straight cable supported) Pin No. Signal Description 1 FG Frame GND 2 SD (TXD) Transmitted Data 3 RD (RXD) Received Data 4 RS (RTS) Request to Send 5 CD (CTS) Clear to Send 6 DR (DSR) Data Set Read...
Page 39 - Software specifications; Data format; XX XX XX; data; : The data code is added as
39 2. Software specifications (1) External interface specifications Communicationsystem Asynchronous system, full duplex Baud rate 1200, 2400, 4800, 9600 or 19200 bps Bit length 8 bits or 7 bits Stop bit 1 bit or 2 bits Parity None, odd or even <Notes> O The factory settings are 9600 bps, 8 bi...
Page 43 - Operation control commands
43 RS-232C O Operation control commands Sends data of computer Return data from VTR Description of command [STX] OAF [ETX] [STX] OAF [ETX] Advances frames in the forward direction. [STX] OAR [ETX] [STX] OAR [ETX] Advances frames in the reverse direction. [STX] OBF [ETX] [STX] OBF [ETX] STANDBY OFF [...
Page 44 - Query control commands
44 RS-232C O Query control commands Sends data of computer Return data from VTR Description of command [STX] QAL [ETX] [STX] ALV0 [ETX] Queries the address level. [STX] QAO [ETX] [STX] AOm [ETX] Queries the audio output channels. [STX] QCA [ETX] [STX] CUPdata [ETX] Queries the user’s bit data which ...
Page 48 - Counter control commands
48 RS-232C $ Counter control commands Sends data of computer Return data from VTR Description of command [STX] CRN:m [ETX] Parametersm = 0: TC & UB 1: TC2: UB [STX] CRN [ETX] Sets the signal to be regenerated when the TCG (time codegenerator) is set to the regeneration mode.<Note>This comm...
Page 49 - Display control commands
49 [STX] CTP [ETX] [STX] CTP [ETX] Uses the TCG in the preset mode.The TCG starts counting up in the REC RUN mode uponcompletion of the settings.<Note>This command is ignored while a search control commandis being processed, during recording and in the INSERTmode. [STX] CTR [ETX] [STX] CTR [ET...
Page 50 - Edit control commands
50 RS-232C $ Edit control commands Sends data of computer Return data from VTR Description of command [STX] EAB:m [ETX] Parametersm = N: AUTO BACK ON F: AUTO BACK OFF [STX] EAB [ETX] Sets whether auto back recording is to be performed toensure frame to frame continuity.<Note>This command is ig...
Page 62 - VTR STATUS DATA; SHUTTLE SPEED DATA
62 RS-232C O Bitmap table (B) ADDRESS BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BIT0 AD 0 FULL EE SELECT EE 0 0 0 0 TAPE END ( ) TAPE TOP ( ) AD 1 SHORT PLAY 0 STANDBY 0 0 0 0 SERVO LOCK AD 2 REC INHIBIT TAB CASSETTE IN/OUT 0 VTR STATUS AD 3 TAPE DIRECTION SHUTTLE SPEED AD 4 0 INSERT VIDEO INSERT AUDIO CH1...
Page 64 - Communication control commands
64 RS-232C $ Communication control commands Sends data of computer Return data from VTR Description of command [STX] RAN [ETX] [STX] RAN [ETX] Enables the return of the ACK (Acknowledge) code.<Note>This command is ignored while a search control commandis being processed. [STX] RAF [ETX] [STX] ...
Page 65 - Search control commands
65 RS-232C $ Search control commands Sends data of computer Return data from VTR Description of command [STX] SCP:data [ETX] Parametersdata = ghmmssff O When CTL data is to be usedas the reference g = Blank: With a positive value – sign: With a negative value h = 0 9: Hours mm = 00 59: Minutes ss = ...
Page 70 - Timer control commands
70 RS-232C $ Timer control commands Sends data of computer Return data from VTR Description of command [STX] TST:data [ETX] Parametersdata = mmmmmmmm = 0000: 0.5 sec. 0005: 5 sec. 0010: 10 sec. 0030: 30 sec. 0100: 1 min. 0200: 2 min. [STX] TST [ETX] Sets the standby OFF timer.<Note>This comman...
Page 71 - Mode transition table
71 RS-232C $ Mode transition table VTR STATUS Return command STOP STANDBY OFF EJECT PLAY REW FF PLAY PAUSE REC REC PAUSE SHORT PLAY OSP ± t ± ± ± ± ± ± ± EFE ± ± t ± ± ± ± t t t OEJ ± ± ± ± ± ± t t t OPL ± ± t ± ± ± t t t ORW ± ± t ± ± ± ± ± ± OFF ± ± t ± ± ± ± ± ± OPA ± ± t ± ± ± PLAY REC PAUSE REC...
Page 73 - Send command intervals; Commands which can be accepted
73 RS-232C $ Send command intervals The AJ-D250 is a multi-microcomputer VTR. Forthis reason, it takes time (approx. 150 ms) forcommunication to be performed between the RS-232C interface microcomputer and system controlmicrocomputer inside the VTR before anyprocessing can be performed by the system...
Page 74 - Error Messages
74 Error Messages When a problem has occurred in the unit, one of the following error messages will appear on the tapecounter. Error No. Description — d — Condensation (dew) has formed. E — 00 E — 01 E — 11 E — 21 Four or more 4 seconds have elapsed after thecassette was inserted but the cassette is...
Page 75 - Emergency Eject; Procedure for removing the tape manually in an emergency; Remove the top panel.
75 234 34 1 5 Emergency Eject Procedure for removing the tape manually in an emergency Use the procedure below to remove the cassette tape if it can not be removed even when the EJECT button ispressed. O Before proceeding to eject the tape manually, you must first turn off the power to the unit. 1 R...
Page 77 - Specifications; Power consumption: 56 W; Digital video
77 Specifications [GENERAL] Supply voltage: 120 V AC, 50 – 60 Hz Power consumption: 56 W Ambient operating temperature: 41°F to 104°F (5°C to 40°C) Ambient operating humidity: 35% to 80% (no condensation) Weight: 14.3 lb (6.5 kg) Dimensions (W a H a D): 8 7 / 16 ˝ a 5 1 / 4 ˝ a 15 7 / 16 ˝ (214 a 13...
Page 78 - Digital audio; Output connectors; PHONO; Wired remote control:
78 Specifications [AUDIO] $ Digital audio Sampling frequency: 48 kHz Quantizing: 16 bits Frequency response: 20 Hz to 20 kHz (0 +1.0 dB, –2.0 dB) Dynamic range: More than 85 dB(1 kHz, emphasis OFF, “A” weighted) Distortion: Less than 0.1%(1 kHz, emphasis OFF, reference level) Crosstalk: Less than –8...
