JVC SR-L911UB TXD 8FH RXD 0AH Time, 31H 0AH 35H 0AH 32H 0AH 39H 0AH 35H 0AH 39H 0AH

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10. OPTIONAL SA-K97U RS-232C INTERFACE BOARD
5Date and time setting commands
(1) DATE SET (8EH) : Set the current date (month, day, year) for the VCR. After this command (8EH) is sent, input 1-
byte numerical data (30H — 39H).
(Example) Sep., 30, 1998
(2) TIME SET (8FH) : Set the current time (hour, minute, second) for the VCR.
After this command (8FH) is sent, input 1-byte numerical data (30H — 39H).
(Example) 15 hours, 29 minutes, 59 seconds
TXD 8EH
RXD 0AH Time
30H 0AH 39H 0AH 33H 0AH 30H 0AH 39H 0AH 38H 0AH
Month Day Year
TXD 8FH
RXD 0AH Time
31H 0AH 35H 0AH 32H 0AH 39H 0AH 35H 0AH 39H 0AH
Minute SecondHour
5Timer programming commands
(1) PRG/CLK (62H) : Engages timer programming mode.
(2) SHIFT – (64H) : Selects setting items. (–)
SHIFT + (63H) : Selects setting items. (+)
(3) SET – (66H) : Sets data selected with SHIFT.
SET + (65H) : Sets data selected with SHIFT.
(4) CANCEL (67H) : Cancels program data in timer programming or engages the Cancel Program mode.
Setting procedure is the same as when using the VCR controls. Be sure to transmit commands 1 byte at a time with “ACK” (0AH)
confirmation from the VCR after each transmission.
5On-screen setting command
(1) ON SCREEN ON (70H) : Activates time/date on-screen indication.
ON SCREEN OFF (71H) : Deactivates on-screen indication.
Setting procedure for the following command (2) is the same as when using the VCR controls. Be sure to transmit commands 1 byte at a
time with “ACK” (0AH) confirmation from the VCR after each transmission.
(2) ON SCREEN SELECT (74H) : Changes the time display position on screen.
5Other commands
(1) AL/PL RESET (E1H) : When transmitted during alarm recording, the recording mode switches back to the previous mode.
The VCR’s “AL” indication goes off. Transmit again after “AL” indicator goes off to reset the alarm/
power loss memory.
(2) COUNT RESET (E2H) : Resets the tape counter to “0000”.