NEC RS-232C user 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hi

Lo

 

 

Hi

 

Lo

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.2 "Get parameter" reply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STX

 

Result

 

OP code page

 

 

OP code

 

Type

 

Max value

Current Value

 

ETX

Hi

 

 

Lo

 

Hi

 

Lo

 

 

Hi

Lo

 

Hi

 

Lo

MSB

 

 

 

LSB

MSB

 

 

 

LSB

 

1st

 

2nd-3rd

 

4th–5th

 

 

6th

–7th

 

8th

 

-9th

 

10th -13th

 

14th -17th

 

 

18th

The monitor replies with a current value and the status of the requested item (operation code).

1stbyte) STX: Start of Message

ASCII STX (02h)

2nd-3rdbytes) Result code.

(7/50)

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Contents Application Connectors and wiringCommunication Parameter Header block format fixed length Communication FormatALL STX ETX MSB LSB Message block formatSTX ETXMSB LSB Check codeSOH Following is an example of a Check code BCC calculation DelimiterGet current Parameter from a monitor Message typeSet parameter Current condition Set parameter replyMSB LSB ETX CommandsSave Current Settings Get Timing Report and Timing replyBCC Typical procedure exampleHow to change the Brightness setting Null MessageHeader Message Check code Delimiter Message Check code Delimiter Code STX-0-0-0-2-7-9-0-0 Power status read Power control procedureController requests the monitor to control monitor power Power controlAsset Data Read Request and reply Asset Data read and writeAsset Data write Date & Time Read Date & Time read and writeBCC DS-ETX Date & Time Write Check code Delimiter Schedule Read Schedule read and writeSTX-C-3-2-1-PG-ON HOUR-ON MIN Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-ETX Schedule Write B33h, 42h 59 =3Bh C33h, 43h Off timer isn’t setPG-ON HOURS-ON MIN-OFF HOURS-OFF MIN-INPUT-WD-FL-P Mode Page BCC OFF HOUR-OFF MIN-INPUT-WD-FL-P Mode Header 31/50 SOH-0-0-Monitor ID-B-0-C STX-C-3-1-5-ST-PG-EN-ETX STX-C-2-1-4-PG-ON HOUR-ON MIN 34/50 BCC Self-diagnosis status read Self diagnosisST Result of self-tests 0-030h, 30h00 Normal Serial No. Read Serial No. & Model Name ReadModel Name Read Security Lock Control Security Lock930h, 39h Page ISF Dicom SIMAdjust Hdmi SurroundRGB/HV POPPIP OSD Option Secam SyncDVI-PC DVI-HD NtscPIP ON/OFF All data are subject to change without notice
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