Panasonic AJ-D230H User Manual

2. Next, after [ACK] is returned because communication was error-free, data is returned in the following format

by the operation of the VTR.

1) The response data (return data) format when the command from the personal computer was received

properly by the VTR is as follows.

[STX] [data] [ETX]

02H XX XX 03H

Example: Send command

Return data = Receive data

[STX] QOP [ETX]

[ACK] [STX] OEJ [ETX]

[STX] QCD [ETX]

[ACK] [STX] CD

[ETX]

2) If the data is incorrect or the trouble has occurred in the VTR, details indicating the reason why the data

could not be received are returned using the following format.

[STX] E R 0 0

[ETX]

02H 45H 52H 30H 30H XX

03H

Meaning of

1 (31H): Unknown command, or command execution error

2 (32H): Bad data code parameter error
3 (33H): Receiving buffer overflow error

[STX] E R 1 0

[ETX]

02H 45H 52H 31H 30H XX

03H

Meaning of

2 (32H): Front loading error
3 (33H): Loading error
4 (34H): Drum/capstan system error
5 (35H): Reel system error
6 (36H): Tension system error
7 (37H): Fan motor error
8 (38H): Dew error

[STX] E R 1 F F [ETX]

02H 45H 52H 31H 46H 46H 03H

System (servo communications) error

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