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RS-232C Interface
ACK return status request command
This is for verifying the ACK return status.
PC: [STX] QRA [ETX]
∗
VTR: [STX] RA
[ETX]
All status request command
When the all status request command has been received, the
current deck status is detected and sent by the bitmap shown
below.
PC: [STX] QOS [ETX]
VTR: [STX] OPS
abcdef
[ETX]
ab
Counter commands
Bit
7
6
cd
REC
PAL
LOCK
PAL
ON=1
=1
ef
Test mode
Reverse play
00: Normal
Forward
10: Line
01: Service
11:
Time setting command
This sets the minutes and seconds to zero.
Time setting will change in the following manner:
HH:00:00 – HH:14:59 → HH:00:00
HH:45:00 – HH:59:59 → HH+1:00:00
The time setting command will be disregarded for other
times.
PC: [STX] LTJ [ETX]
VTR: [STX] LTJ [ETX]
Automatic send setting command
This sets whether to detect changes in the deck status and
send the status automatically.
∗
PC: [STX] OCS:
[ETX]
VTR: [STX] OCS [ETX]
Automatic send setting request command
This is for verifying the automatic send setting.
PC: [STX] QSC [ETX]
∗
VTR: [STX] OCS
[ETX]
Search command
• Forward
∗
PC: [STX] OSF:
[ETX]
VTR: [STX] OSF [ETX]
• Reverse
∗
PC: [STX] OSR:
[ETX]
VTR: [STX] OSR [ETX]
∗
: N = ON
F = OFF
cc: Returns fixed value.
5
4
3
Tracking
(–)
(+)
ON=1
direction=0
∗
: N=Automatic send ON
F=Automatic send OFF
∗
: N=Automatic send ON
F=Automatic send OFF
∗
:
0 = still (Play/Pause)
1 = 1/30×
2 = 1/10×
3, 4 = 1/5×
5, 6 = 1.0×
7 = 5.0×
8-F = 9.0×
2
1
0
Repeat
Alarm
REW
IN
ON=1
Usually=0
Cassette
IN
IN=1
28
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