NEC RS-232C manual Power control, Controller requests the monitor to control monitor power

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7.2Power control

1)The controller requests the monitor to control monitor power.

Header	Message	Check code	Delimiter
SOH-'0'-Monitor ID-'0'-'A'-'0'-'C'	STX-'C'-'2'-'0'-'3'-'D'-'6'-	BCC	CR

'0'-'0'-'0'-'1'-ETX

Header

SOH (01h): Start Of Header

'0' (30h): Reserved

Monitor ID: Specify the Monitor ID 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'-'C (30h, 43h): Message length is 12 bytes.

Message

STX (02h): Start of Message

'C'-'2'-'0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control command

'0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode 0001: ON

0002, 0003: Do not set.

0004: OFF (same as the power off by IR)

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	Message	Check ode	Delimiter
SOH-'0'-'0'-Monitor	STX-'0'-'0'-'C'-'2'-'0'-'3'-'D'-'6'-	BCC	CR
ID-'B'-'0'-'E'	'0'-'0'-'0'-'1'-ETX

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', the replying Monitor ID is '1'.

'B' (42h): Message type is "Command reply".

'N'-'N': Message length

Note.) The maximum data length that can be written to the monitor at a time is 32bytes. Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h).

Message

STX (02h): Start of Message

'0'-'0' (30h, 30h): Result code. No error.

'C'-'2’,'0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control reply command

The monitor replies same as power control command to the controller. '0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode

0001: ON

0002, 0003: Do not set.

0004: OFF (same as the power off by IR)

ETX (03h): End of Message

Check code

BCC: Block Check Code

Refer to the section 4.5 “Check code” for a BCC calculation.

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Contents External Control 10.1 Application LAN control II. Preparation Connectors and wiringRS-232C Remote control Communication timing AsciiCommunication Format Get Parameter Reply MonitorHeader block format fixed length ALLPage ETX Message block formatSTX MSB LSB10/72 Check code SOHDelimiter Message type Get current Parameter from a monitor00h No Error Get parameter replySet parameter ETX MSB LSBSet parameter reply Current conditionCommands Save Current Settings Send 0730h, 37h as Get Timing Report command Get Timing Report and Timing replyNull Message BCC IV. Control Commands Typical procedure exampleHow to change the Backlight setting Message Check code Delimiter Header Message Check code Delimiter SOH-0-Monitor ID-0-E-0-A STX-0-2-7-8-0-0-0-1-ETX SOH-0-Monitor ID-0-C-0-6 STX-0-2-7-9-ETX Readout value is 2s complement Operation Code OP code Table Dicom SIMPosition 00h 20h Left side OP code Parameter Remarks Cod Pag Input Resolution DAh Surround HdmiRGB/HV PIPOSD 02h 7Dh None Scart DVI-PCDVI-HD IP ON/PROGRESSIVE‘SURROUND’ Mute Unmute Screen MuteScreen Mute on Screen Mute OFF MTS PIP ON/OFFOP code Parameter Remarks Cod Pag PIP Input 02h 73h No mean Power control procedure Power status readCR 0Dh End of packet 37/72 Power control Controller requests the monitor to control monitor powerDelimiter CR 0Dh End of packet 39/72 Asset Data read and write Asset Data Read Request and replyDelimiter CR 0Dh End of packet 41/72 Asset Data write CR 0Dh End of packet 43/72 BCC DS-ETX Date & Time read and writeDate & Time Read MN Minutes 0-030h, 30h Date & Time Write Check code Delimiter Delimiter CR 0Dh End of packet 48/72 Schedule read and write Schedule ReadB33h, 42h C33h, 43h On timer isnt set Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-ETX B33h, 42h 59 =3Bh C33h, 43h Off timer isn’t set PG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P Mode Schedule WritePage BCC OFF HOUR-OFF MIN-INPUT-WD-FL-P Mode 57/72 SOH-0-Monitor ID-0-A-0-A STX-C-2-1-5-PG-EN-ETX Delimiter CR 0Dh End of packet 59/72 STX-C-2-1-4-PG-ON HOUR-ON MIN SOH-0-0-Monitor ID-B-1-8 STX-C-3-1-4-ST-PG-ON HOUR-ON MIN 030h, 30h 731h, 37h 23 =17h 831h, 38h Off timer isnt set SOH-0-0-Monitor ID-B-0-C STX-C-3-1-5-ST-PG-EN-ETX Self diagnosis Self-diagnosis status readPage Serial No. & Model Name Read Serial No. ReadModel Name Read Security Lock Security Lock ControlSTX-C-3-1-D-ST-EN-ETX Direct TV Chanel Read & Write Direct TV Chanel Read & ReplyDirect TV Chanel Write & Reply All data are subject to change without notice

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