Panasonic Digital Hd Video Cassette Recorder Ajhd1500p Operating Instructions

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Displaying the “HOURS METER” information
Turn the search dial to move the cursor (¢). The description for the item where the cursor is located is shown as a
superimposed display.
Item No. Item Description
H00 OPERATION
H01 DRUM RUN
H02 TAPE RUN
H03 THREADING
H11 DRUM RUN r
H12 TAPE RUN r
H13 THREADING r
H30 POWER ON

•The resettable items in the “HOURS METER” information are reset by the shop when performing maintenance or
other work.
•The search buttons and the search dial cannot be operated...

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Table of AUTO OFF Error messages
Monitor display DescriptionVTR operation(Restart condition)
CAP ROTATE TOO
SLOW
CAP TENSION ERROR
DEW
DRUM ROTATE TOO
FAST
E-FF DRUM ROTATE TOO
SLOW
If the capstan motor speed is abnormally low, the 
AUTO OFF lamp lights, and the message display 
flashes.STOP
(POWER OFF→ON)
If an abnormal tension at the supply side is detected 
in the capstan mode, the AUTO OFF lamp lights, and 
the message display flashes.STOP
(POWER OFF→ON)
If condensation is detected, the AUTO...

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SERVO CONTROL
ERROR
Counter display DescriptionVTR operation(Restart condition)
REEL DIR UNMATCHIf the reel motor at the take-up side is running in the 
reverse direction, the AUTO OFF lamp lights, and the 
message display flashes.STOP
(POWER OFF→ON)
REEL TENSION ERROR
SERVO COMM ERROR
SERVO ERROR
S-FF/REW TIMEOVER
S REEL ROTA TOO
FAST
T REEL ROTA TOO
FAST
T REEL TORQUE
ERROR
UNLOAD ERROR S REEL TORQUE
ERROR
WINDUP ERROR
If an abnormal tension at the supply side is detected 
in the reel mode, the...

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RS-232C interface
1. Introduction
(1) The VTR can be operated by commands when the RS-232C interface is used.
(See command table on page 117 – 119.)
(2) Conditions for acknowledging commands from RS-232C interface
The front panel REMOTE/LOCAL switch must be at REMOTE.
The setup menu item No. 204 “RS232C SEL” must be ON.
If the above conditions are not met, [ACK] + [STX]ER001[EXT] is returned to the external unit.
Whether the [ACK] code is returned depends on the setting which has been selected...

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3. Software specifications
Protocol
1) Communication parameters
Communication system Asynchronous, full duplex
Communication speed 300/600/1200/2400/4800/9600
Bit length 7 bit/8 bit
Stop bit1 bit/2 bit
Parity bitNONE/ODD/EVEN
ACK codeACK code returned/ACK code not returned

The ACK code is what is returned from the VTR to the controller when data has
been successfully sent from the controller.
The underlining indicates the factory settings.
Any changes to the settings can be made using the setup...

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RS-232C interface
3) Return format [VTR → controller (PC)]
The following responses are made to the command. If necessary, more than one response is made.

 When the communication has terminated normally
1. The receive completion message is returned.
[ACK]
 06h
2. The execution completion message is returned.
[STX]  [command]  [data]  [ETX]
 02h     XX XX XX  XX-XX   03h
•[command]: This is the message (data) which is returned or the execution completion message identifier.
•[data]: This is the...

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5. Command table
(1) Commands relating to operation control

•As for the return (completion) message, [ACK] is first returned when data is received, and the execution message is
subsequently returned. It is only the execution message which is listed in this table.
•In the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK] has been returned.
VTR
operationSend commandReturn (completion)
messageSupplementary notes
[STX] OSP [ETX] STOP
[STX] OSP [ETX]This...

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VTR
operationSend commandReturn (completion)
messageSupplementary notes
[STX] OBF [ETX] STANDBY
OFF[STX] OBF [ETX]This command is setting the VTR to standby OFF.
[STX] OSR:data [ETX] SHTL
REVERSE[STX] OSR [ETX]This is the reverse direction shuttle command.
data = n:  
0:
1:
2:
3:
4:
5:
6:
7:
8:
9:
A:speed data
STILL
×0.03
×0.1
×0.2
×0.5
×1
×2.0 (×1.85 with any format except the DVCPROHD-LP format)
×4.9
×9.8
×16
×32: This speed differs according to the setting selected for 
setup menu No. 101...

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(2) Commands relating to inquiries

•As for the return (completion) message, [ACK] is first returned when data is received, and the execution message is
subsequently returned. It is only the execution message which is listed in this table.
•In the case of commands not listed in the table, ER001 (invalid command) is returned after [ACK] has been returned.
VTR
operationSend commandReturn (completion)
messageSupplementary notes
[STX] QCD [ETX] CTL/TC
DATA
REQUEST
[STX] CD data [ETX]This command is...

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RS-232C interface
(3) Microsoft QuickBASIC sample program
CLS
STX$ = CHR$(&H2): ETX$ = CHR$ (&H3): NAK$ = CHR$(15): ACK$ = CHR$(&H6)
PRINT *** RS-232C COMMUNICATION SAMPLE PROGRAM ***
PRINT Type Command QUIT to quit.
PRINT
REM *** Communication Port Initial & Open ***
REM Port 1,9600Bps,No parity,8 bit data,1 stop bit
OPEN COM1:9600,N,8,1 FOR RANDOM AS #1 LEN = 256
REM *** Input Command & Send Command ***
SendCmd:
INPUT Input Command =; SEND$
IF SEND$ = QUIT THEN GOTO ProgEnd
PRINT #1, STX$ +...