NEC LCD Monitor User Manual

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20.4 Auto Power Save Time Write
This command is used in order to write the setting of Auto Power Save Time.
1) The controller requests the monitor to write Time.
Header Message Check code
Delimiter
SOH-'0'-Monitor ID-
'0'-'A'-'0'-'A'
STX-'C'-'A'-'0'-'B'-0'-'3'-TIME-ETX BCC CR
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'-'3' (30h, 33h): Auto Power Save Time Write
TIME: AUTO POWER SAVE TIME (sec.)
00h (30h, 30h) – 78h (37h, 38h): 1 (5dec.) – 120 (600sec.)
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 written in result.
Header Message Check code
Delimiter
SOH-'0'-'0'-Monitor ID-
'B'-'0'-'8'
STX-'C'-'B'-'0'-'B'-'0'-'3'-ST-ETX BCC CR
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'-'8'(30h,38h): Message length (8byte)
Message
STX (02h): Start of Message
'C'-'B'-'0'-'B' (43h, 42h, 30h, 42h): Power Save Mode Reply
'0'-'3' (30h, 33h): Auto Power Save Time Write
ST: Error Status
No Error : 00h (30h, 30h)
Error : 01h (30h, 31h)
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 “Check code” for a BCC calculation.

NEC LCD Monitor Specifications

General

Brand	NEC
Model	LCD Monitor
Category	Monitor
Language	English