Manuals / NEC / Computer Equipment / Computer Monitor

NEC RS-232C user manual

Models: RS-232C

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CR (0Dh): End of packet

Step 4. The monitor replies with a message for confirmation.

Header	Message	Check code	Delimiter
SOH-'0'-'0'- Monitor ID -'F'-'1'-'2'	STX-'0'-'0'-'0'-'0'-'1'-'0'—'0'-'0'-'0'	BCC	CR

-'0'-'6'-'4'-'0'-'0'-'5'-'0'-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'.

'F' (46h): Message Type is "Set parameter reply".

'1'-'2' (31h, 32h): Message length is 18 bytes.

Message

STX (02h): Start of Message

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

'0'-'0' (30h, 30h): Operation code page number is 0.

'1'-'0' (31h, 30h): Operation code is 10h (in the page 0).

'0'-'0' (30h, 30h): This operation is "Set parameter" type.

'0'-'0'-'6'-'4' (30h, 30h, 36h, 34h): Brightness max value is 100(0064h).

'0'-'0'-'5'-'0' (30h, 30h, 35h, 30h): Received a Brightness setting was 80(0050h) .

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

Repeat Step 1 and Step 2, if you need to check the Brightness setting. (Recommended) Step 5. Request the monitor to store the Brightness setting. (Save Current Settings Command)

Header	Message	Check code	Delimiter
SOH-'0'-Monitor ID-'0'-'A'-'0'-'4'	STX-'0-'C'-ETX	BCC	CR

Header

SOH (01h): Start Of Header

'0' (30h): Reserved

Monitor ID: Specify the Monitor ID which you want to store the setting. Ex.) If Monitor ID is '1', specify 'A'.

'0' (30h): Message sender is the controller.

'A' (41h): Message type is "Command".

'0'-'4' (30h, 34h): Message length is 4 bytes.

Message

STX (02h): Start of Message

'0'-'C' (30h, 43h): Command code is 0Ch as "Save current settings".

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

6.2. How to read the measurement value of the built-in temperature sensors.

MultiSync X461UN /X461HB /X431BT /P401 /P461 /P521 /P701 /S401 /S461 /S521 and MULTEOS M401 /M461

/M521 have three built-in temperature sensors.

The controller can monitor inside temperatures by using those sensors with external control.

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NEC RS-232C user manual

Contents

2.1 RS-232C Remote control 2. Connectors and wiring3.1 RS-232C Remote control 1. Application4.1 Header block format fixed length 4. Communication Format3rdbyte Destination Destination equipment ID. Receiver Header 4.2 Message block formatCheck code Delimiter MessageHeader Message 4.5 Check codeCheck code DelimiterHeader 4.6 DelimiterMessage Check code5.1 Get current Parameter from a monitor 5. Message type5.2 Get parameter reply 5.3 Set parameter 5.4 Set parameter reply 5.5.1 Save Current Settings 5.5 Commands5.5.2 Get Timing Report and Timing reply 6.1. How to change the “Brightness” setting 6. Typical procedure example5.5.3 NULL Message SOH-0-0-Monitor ID-D-1-2 Page Step 1. Select a temperature sensor which you want to read Delimiter CR 0Dh End of packet 7.1 Power status read 7. Power control procedure1 The controller requests the monitor to control monitor power 7.2 Power control8.1 Asset Data Read Request and reply 8. Asset Data read and write8.2 Asset Data write 9.1 Date & Time Read 9. Date & Time read and write9.2 Date & Time Write This command is used in order to write the setting of the Date & Time1 The controller requests the monitor to write Date & Time Message STX 02h Start of Message 10. Schedule read and write This command is used in order to read the setting of the Schedule10.1 Schedule Read 0-830h, 38h Message length Message STX 02h Start of Message 0-130h,31h VGA 0-230h,32h RGB/HV 0-330h,33h DVI 0-530h,35h Video1 Page 10.2 Schedule Write 1 The controller requests the monitor to write Schedule This command is used in order to write the setting of the ScheduleEX 0-130h, 31h Monday 0-430h, 34h Wednesday 2 The monitor replies a data for confirmation Page STX-C-3-1-5-ST-PG-EN-ETX SOH-0-0-Monitor ID-B-0-C1 The controller requests the monitor to write Schedule bit 4 Friday bit 5 Saturday bit 6 Sunday EX 0-130h, 31h Monday 1-731h, 37h 23 =17h 1-831h, 38h Off timer isnt set 11. Self diagnosis This command is used in order to read the Self-diagnosis status11.1 Self-diagnosis status read SOH 01h Start of Header 0 30h Reserved This command is used in order to read the Model Name This command is used in order to read a serial number12. Serial No. & Model Name Read 12.1 Serial No. Read13.1 Security Lock Control 13. Security LockSTX-C-2-1-D-EN-P1-P2-P3-P4-ETX SOH-0-MonitorID-0-A-1-0P1 Security Pass code 1st 0-030h, 30h P2 Security Pass code 2nd 0-030h, 30hST-EN Lock condition result data ST Status 0-030h, 30h No error C-3-1-D 43h, 33h, 31h, 44h Security Lock Control reply command0-130h, 31h Error ETX 03h End of Message Check code BCC Block Check CodeA. Operation Code OP code Table AppendixADJUST SCHDULE AUDIOPage Menu tree reset OSD timer secondsInformation OSD OSD TransparencyAdvanced Option7 Autooffset Terminate Carbon footprint Temperature sensorRevised at Mar.25/2010 All data are subject to change without notice50/50