REV PLAY (4AH)
Plays back a tape in reverse at normal speed.
TIMER ON/OFF (60H)
Switches on/off the timer recording.
SECURITY LOCK ON (69H)
Switches on security lock.
SECURITY LOCK OFF (6AH)
Switches off security lock.
AUDIO/SEARCH (22H)
When this command is sent while playing a tape in the
12/24 hour mode, the sound is turned on/off.
During stop, the VCR enters alarm search/scan or date/
time search mode.
When the menu is displayed, this command ends the
menu.
SHARPNESS SOFT (4CH)
When this command is sent while playing a tape, the
outline of objects or people in the picture becomes
softer.
SHARPNESS SHARP (4DH)
When this command is sent while playing a tape, the
picture becomes sharp and clear.
EJECT (A3H)
Ejects the tape.
The VCR returns ACK (0AH) as soon as it receives
this command, then returns CASSETTE OUT (03H)
after it ejects the tape.
REC/DUB REQUEST (FAH)
Send this command just before you send the REC
(CAH) command.
REC (CAH)
Starts recording.
Before sending this command, you need to send REC/
DUB REQUEST (FAH).
RXD FA
CA
TXD
0A
0A
ALARM SCAN (B1H)
Initiates the scanning of alarm points.
Send this command, then send FF to scan forward or
REW to scan backward.
When the alarm recording start point has been located
after alarm scan, the VCR returns COMPLETION
(01H).
If the tape comes to the end or beginning without the
alarm recording start point being located, the VCR
returns NOT TARGET (05H).
RXD B1
AB
TXD
0A
0A
REC CHECK (C1H)
When this command is sent while recording, the tape
is rewound for 3 seconds, then played back for 4
seconds. With this operation, the VCR checks that the
recording is correct. After playback, the VCR returns
to recording mode.
To use the following commands, send the command,
wait for the response ACK (0AH), then send the
numeric data value (30H to 39H) 1 byte at a time.
Finally, send the end command (40H).
When the desired point is located, the VCR returns
COMPLETION (01H).
If the tape comes to the end or beginning without the
desired point being located, the VCR returns NOT
TARGET (05H).
ALARM SEARCH/AUDIO ON/ALARM DATA
LIST (B0H)
Initiates a search for a specific alarm point.
Send this command, then enter the alarm point and
send the end command (40H).
Send FF to search forward or REW to search
backward.
Example: To search forward for the 10th alarm point
RXD B0
31
30
TXD
0A
0A
Send this command to display the ALARM DATA list.
RXD B0
31
40
TXD
0A
0A
40
AB
0A
0A
0A
AC
0A
0A
9