NEC RS-232C manual Message type, Get current Parameter from a monitor

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5. Message type

5.1 Get current Parameter from a monitor.

STX	OP	code page		OP	code		ETX
STX	Hi		Lo	Hi		Lo	ETX
1st		2nd	-3rd		4th	–5th	6th

Send this message when you want to get the status of a monitor.

For the status that you want to get, specify the “OP code page” the “OP code”, refer to “Appendix A. Operation code table”.

1stbyte) STX: Start of Message

ASCII STX (02h)

2nd-3rdbytes) OP code page: Operation code page.

Specify the “OP code page” for the control which you want to get the status. Refer to “Appendix A Operation code table” for each item.

OP code page data must be encoded to ASCII characters.

Ex.) The byte data 02h must be encoded to ASCII characters '0' and '2' (30h and 32h). OP code page 02h -> OP code page (Hi) = ASCII '0' (30h)

OP code page (Lo) = ASCII '2' (32h)

Refer to Operation code table. (Appendix A) 4th–5thbytes) OP code: Operation code

Refer to “Appendix A Operation code table” for each item.

OP code data must be encoded to ASCII characters.

Ex.) The byte data 3Ah must be encoded to ASCII characters '3' and 'A' (33h and 41h).

OP code 3Ah -> OP code (Hi) = ASCII '3' (33h)

OP code (Lo) = ASCII 'A' (41h)

Refer to Operation code table. 6thbyte) ETX: End of Message

ASCII ETX (03h)

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Contents External Control 10.1 Application RS-232C Remote control II. Preparation Connectors and wiringLAN control Ascii Communication timingGet Parameter Reply Monitor Communication FormatALL Header block format fixed lengthPage STX Message block formatETX MSB LSB10/72 SOH Check codeDelimiter Get current Parameter from a monitor Message typeGet parameter reply 00h No ErrorETX MSB LSB Set parameterCurrent condition Set parameter replySave Current Settings CommandsGet Timing Report and Timing reply  Send 0730h, 37h as Get Timing Report commandNull Message How to change the Backlight setting IV. Control Commands Typical procedure exampleBCC 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 Dicom SIM Operation Code OP code TablePosition 00h 20h Left side OP code Parameter Remarks Cod Pag Input Resolution DAh Hdmi SurroundPIP RGB/HVOSD 02h 7Dh None DVI-HD DVI-PCScart IP ON/PROGRESSIVEScreen Mute on Screen Mute OFF MTS Mute Unmute Screen Mute‘SURROUND’ PIP ON/OFFOP code Parameter Remarks Cod Pag PIP Input 02h 73h No mean Power status read Power control procedureCR 0Dh End of packet 37/72 Controller requests the monitor to control monitor power Power controlDelimiter CR 0Dh End of packet 39/72 Asset Data Read Request and reply Asset Data read and writeDelimiter CR 0Dh End of packet 41/72 Asset Data write CR 0Dh End of packet 43/72 Date & Time Read Date & Time read and writeBCC DS-ETX MN Minutes 0-030h, 30h Date & Time Write Check code Delimiter Delimiter CR 0Dh End of packet 48/72 Schedule Read Schedule read and writeB33h, 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 Schedule Write PG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P ModePage 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 status read Self diagnosisPage Serial No. Read Serial No. & Model Name ReadModel Name Read Security Lock Control Security LockSTX-C-3-1-D-ST-EN-ETX Direct TV Chanel Read & Reply Direct TV Chanel Read & WriteDirect TV Chanel Write & Reply All data are subject to change without notice

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