RS-232C Interface
Details of commands
Time mode switching command
This sets the time mode during deck recording/playback. However, when REC
Counter data request command
This requests the current value on the CTL counter.
g: for a minus amount, space
PC: [STX] LTM: ∗ [ETX]
VTR: [STX] LTM [ETX]
Time mode | ∗ |
2h | 0 |
6h | 1 |
L18h | 2 |
L24h | 4 |
48h | 6 |
72h | 7 |
96h | 8 |
120h | 9 |
168h | A |
180h | B |
240h | C |
for a plus amount hmmss: hours/minutes/seconds
W:S; for STOP, EJECT, STILL, FWD ADV and REW ADV.
P; for modes other than the above.
ID request command
This is for verifying the model number.
PC: [STX] QID [ETX]
VTR: [STX]
Time mode request command
This is for verifying the time mode.
Key lock setting command
This selects whether the front panel keys are to be locked.
PC: [STX] RML: F∗ [ETX] | ∗: N = ON |
VTR: [STX] RML [ETX] | F = OFF |
Display switching command
Operation is the same as for the COUNTER/SEARCH key on the front panel.
PC: [STX] LFI: ∗ [ETX] | ∗: C = | counter display |
VTR: [STX] LFI [ETX] | T = | time display |
| M = | memory stop display |
| A = | alarm search display |
| R = | repeat count display |
Version request command
This is for verifying the version of the microcomputer.
PC: [STX] QRV [ETX]
PC: [STX] QLT [ETX] | Time mode | ∗ | |
VTR: [STX] LTM∗ [ETX] | |||
2h | 0 | ||
| |||
| 6h | 1 | |
| L18h | 3 | |
| L24h | 4 | |
| 48h | 6 | |
| 72h | 7 | |
| 96h | 8 | |
| 120h | 9 | |
| 168h | A | |
| 180h | B | |
| 240h | C |
Status request command
When the status request command has been received, the target operation mode of the system control is detected and the status command is sent.
VTR: [STX] VER 1.00 11/30/96 [ETX]
Month year day
Communication check command
This is for verifying whether communication has been established.
PC: [STX] RCK [ETX]
VTR: [STX] RCK [ETX]
Display status request command
This is for verifying the front panel display.
PC: [STX] QFI [ETX] | ∗: T = | clock display shown |
VTR: [STX] LFI [ETX] | C = | counter display shown |
| M = | memory stop display shown |
| A = | alarm search display |
(C = repeat recording count display shown)
PC: [STX] QOP [ETX]
VTR: [STX] ∗∗∗ [ETX]
ACK return ON command
This turns ACK return ON.
PC: [STX] RAN [ETX]
VTR: [STX] RAN [ETX]
∗∗∗: OSP | STOP |
OEJ | EJECT |
ORW | REW |
OFF | FF |
ORC | REC |
ORP | REC PAUSE |
OPL | PLAY |
OPP | STILL/PAUSE |
POF | POWER OFF |
OSF | CUE |
OSR | REV |
ACK is returned only for the LTM and QID commands.
Key lock status request command
This is for verifying the front panel key lock status.
PC: [STX] QRM [ETX] | ∗: N = ON |
VTR: [STX] RML∗ [ETX] | F = OFF |
ACK return OFF command
This turns ACK return OFF.
PC: [STX] RAF [ETX]
VTR: [STX] RAF [ETX]
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