NEC MultiSync X461UNV Manual page 27

ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies a data for confirmation.
Header
SOH-'0'-'0'-Monitor ID-'B'-'1'-'A'
Header
SOH (01h): Start Of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
'B' (42h): Message type is "Command reply".
'1'-'A'(31h, 41h): Message length
Message
STX (02h): Start of Message
'C'-'3'-'1'-'4' (43h, 33h, 31h, 34h): Schedule writes reply command
ST: Schedule Status command
'0'-'0'(30h, 30h): No error
'0'-'1'(30h, 31h): Error
PG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL: Schedule data
PG: Program No.
ON_HOUR: Turn on time (hour)
ON_MIN: Turn on time (minute)
OFF_HOUR: Turn off time (hour)
OFF_MIN: Turn off time (minute)
INPUT: Timer input
'0'-'2'(30h, 32h): sRGB
'0'-'3'(30h, 33h): CINEMA
'0'-'4'(30h, 34h): ISF_DAY
'0'-'5'(30h, 35h): ISF_NIGHT
'0'-'6'(30h, 36h): AMBIENT_1
'0'-'7'(30h, 37h): AMBIENT_2
* Picture mode setting can be skipped. Skipped message length is '1'-'6'(31h, 36h).
* If picture mode setting is skipped, the reply also won't have picture mode data.
STX-'C'-'3'-'1'-'4'-ST-PG-ON HOUR-ON MIN-
OFF HOUR-OFF MIN-INPUT-WD-FL-P MODE-ETX
Ex.) When this byte is set to 'A', the replying Monitor ID is '1'.
'0'-'0'(30h, 30h): Program No.1
|
'0'-'6'(30h, 36h): Program No.7
'0'-'0'(30h, 30h): 00
|
'1'-'7'(31h, 37h): 23 (=17h)
'1'-'8'(31h, 38h): ON timer isn't set.
'0'-'0'(30h, 30h): 0
|
'3'-'B'(33h, 42h): 59
'3'-'C'(33h, 43h): On timer isn't set.
'0'-'0'(30h, 30h): 00
|
'1'-'7'(31h, 37h): 23 (=17h)
'1'-'8'(31h, 38h): Off timer isn't set.
'0'-'0'(30h, 30h): 0
|
'3'-'B'(33h, 42h): 59 (=3Bh)
'3'-'C'(33h, 43h): Off timer isn't set.
Message
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Check code Delimiter
BCC CR