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10. OPTIONAL SA-K97U RS-232C INTERFACE BOARD
5 Date 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
5 Timer 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.
5 On-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.
5 Other 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”.