Power Save Mode Write - NEC MultiSync C431 User Manual

21.2 Power Save Mode Write

This command is used in order to write the setting of Power Save Mode.
1) The controller requests the monitor to write Power Save Mode.
Header
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'A'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
Monitor ID: Specify the Monitor ID of which you want to change a setting.
Ex.) If Monitor ID is '1', specify 'A'.
'0' (30h): Message sender is the controller.
'A' (41h): Message type is "Command".
'0'-'A'(30h, 41h): Message length (10byte)
Message
STX (02h): Start of Message
'C'-'A'-'0'-'B' (43h, 41h, 30h, 42h): Power Save Mode command
'0'-'1' (30h, 31h): Write
MODE: POWER SAVE MODE
00h (30h, 30h): AUTO POWER SAVE
02h (30h, 32h): POWER SAVE OFF
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.3 "Check code" for a BCC calculation.
Delimiter
CR (0Dh): End of packet
2) The monitor replies a written in result.
Header
SOH-'0'-'0'-Monitor ID-
'B'-'0'-'A'
Header
SOH (01h): Start of Header
'0' (30h): Reserved
'0' (30h): Message receiver is the controller.
Monitor ID: Indicate a replying Monitor ID.
Ex.) When this byte is set to 'A', replying monitor's ID is '1'.
'B' (42h): Message type is "Command reply".
'0'-'A'(30h,41h): Message length (10byte)
Message
STX (02h): Start of Message
'C'-'B'-'0'-'B' (43h, 42h, 30h, 42h): Power Save Mode Reply
'0'-'1' (30h, 31h): Write
ST: Error Status
No Error : 00h (30h, 30h)
Error : 01h (30h, 31h)
ETX (03h): End of Message
Message
STX-'C'-'A'-'0'-'B'-'0'-'1'-MODE-ETX
Message
STX-'C'-'B'-'0'-'B'-'0'-'1'-ST-ETX
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Check code Delimiter
BCC CR
Check code Delimiter
BCC CR