Vcr Setup Commands; Menu Setup Commands; Vcr Status Commands - Sony SVT-RS1A Manual De Instrucciones

Command Reference

VCR Setup Commands

R/P SPEED SET (7E)
Sets the recording/ playing speed. Send this command,
then enter the speed.
eg: Setting the speed to 120h
RXD
7E 31
TXD 0A 0A
COUNT RESET (E2)
Resets the counter. The VCR returns ACK (0A).
COUNT MEMORY (E3)
Switches on/off the counter memory. The VCR returns ACK
(0A).
When the memory is switched on, the tape being fast
forwarded or rewound stops automatically at the point of
counter "0:00:00".

Menu Setup Commands

MENU (74)
Displays the menu. The menu screen changes each time
you send this command.
SHIFT z (63)
Shifts the cursor to the item on the right.
SHIFT $ (64)
Shifts the cursor to the item below.
SET +/RP 4 (65)
SET –/RP $ (66)
Changes the setting of the selected item.
MENU RESET (E1)
Resets menu settings.

VCR Status Commands

COUNT CODE (D0)
In response to this command, the VCR returns the counter
value (six bytes). "30H" indicates "+" and "31H" indicates
"–".
eg: "–1 : 56 : 32"
RXD
D0
TXD
31 31
VCR INQUIRY (FB)
Confirms that the connected equipment is a VCR. The VCR
returns ACK (0A).
HEAD TIME (D2)
In response to this command, the VCR returns the
operation time of the video heads. This command does not
function when the menu is displayed.
eg: "00529H"
RXD
D3
TXD 30 30
32 30 40
0A 0A 0A
35 36 33 32
35 32 39
POWER ON TIME (D3)
In response to this command, the VCR returns the power on
time (five bytes). This command does not function when
the menu is displayed.
STATUS SENSE (D7)
In response to this command, the VCR returns its status
(five bytes). Refer to "STATUS SENSE bit allocation"
below.
RXD
D7
TXD
d1 d2
STATUS SENSE bit allocation
• First byte
Bit 7: 0
6: 0
5: 0
4: REC INHIBIT; the tape cannot be recorded on or
no tape inserted
3: CASSETTE OUT; no tape
2: 0
1: 0
0: ERROR; error in byte data
• Second byte
Bit 7: 0
6: 0
5: 0
4: 0
3: WARNING; a warning is being issued
2: 0
1: 0
0: 0
• Third byte
Bit 7: 0
6: TIMER REC ON; the VCR is in timer recording
mode
5: COUNTER MEMORY; the counter memory is
switched on
4: 0
3: 0
2: REPEAT MODE; the VCR is in repeat recording
mode
1: 0
0: 0
• Fourth byte
Bit 7: PLAY MODE; the VCR is in playback mode
6: FF MODE; the VCR is in fast-forward mode
5: REW MODE; the VCR is in rewind mode
4: STOP MODE; the VCR is in stop mode
3: 0
2: EJECT; the VCR is ejecting a tape
1: REC MODE; the VCR is in recording mode
0: 0
d3 d4 d5
EN
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