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54
RS-232C
$
Operation control commands
Sends data of computer Return data from VTR Description of command
[STX] OSU [ETX] [STX] OSU [ETX] Controls the tape playback speed.
Set the VTR to the STILL PAUSE mode using the OSL
command, and send the OSU command. Each time the
OSU command is sent, the playback speed shifts by one
setting in the direction of the arrows below.
If the highest playback speed is already set, the speed does
not shift any further, and error code ER001 is returned from
the VTR.
In the case of a DV format tape
–32.0
.
–16.0
.
–9.5
.
–3.1
.
–1.85
.
–1
.
–0.5
.
–0.3
.
–0.1 –0.03
.
STILL
.
+0.03
.
+0.1
.
+0.3
.
+0.5
.
+1
.
+1.85
.
+3.1
.
+9.5
.
+16.0
.
+32.0
In the case of a DVCPRO format tape
–32.0
.
–16.0
.
–9.5
.
–4.1
.
–1.85
.
–1
.
–0.43
.
–0.3
.
–0.1 –0.03
.
STILL
.
+0.03
.
+0.1
.
+0.3
.
+0.43
.
+1
.
+1.85
.
+4.1
.
+9.5
.
+16.0
.
+32.0
[STX] OTE:m [ETX]
Parameters
m = E:
E-E (Electric modulation to
Electric play back)
m = T:
V-V (VTR to VTR recording)
[STX] OTE [ETX] Selects whether to set E-E output or V-V output when the
VTR is in the STOP mode, FF mode or REW mode.
[STX] OSR:n [ETX]
Parameters
O
In the case of a DVCPRO
format tape
O
In the case of a DV format tape
n = 0: STILL
1:
a
0.03
2:
a
0.1
3:
a
0.3
4:
a
0.5
5:
a
1
6:
a
1.85
7:
a
3.1
8:
a
9.5
9:
a
16.0
A:
a
32.0
n = 0: STILL
1:
a
0.03
2:
a
0.1
3:
a
0.3
4:
a
0.43
5:
a
1
6:
a
1.85
7:
a
4.1
8:
a
9.5
9:
a
16.0
A:
a
32.0
[STX] OSR [ETX] Sets the tape playback speed in the reverse direction.
<Note>
Refer to the RS-232 mode transition table (on pages 71, 72) for the conditions under which the operation control
commands are accepted.