User's Manual

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EXTERNAL CONTROL NEC LCD Monitor
Rev.3.8
INDEX
I. Application ................................................................................3
II. Preparation ...............................................................................4
2. Connectors and wiring ....................................................................4
2.1 RS-232C Remote control ...............................................................4
2.2 LAN control ...........................................................................4
III. Communication specification ...............................................................5
3. Communication Parameter ................................................................5
3.1 RS-232C Remote control ...............................................................5
3.2 LAN control ...........................................................................5
3.3 Communication timing .................................................................5
4. Communication Format ...................................................................6
4.1 Header block format (fixed length) ......................................................7
4.2 Message block format .................................................................9
4.3 Check code ..........................................................................11
4.4 Delimiter ............................................................................12
5. Message type ...........................................................................13
5.1 Get current Parameter from a monitor. .................................................13
5.2 "Get parameter" reply .................................................................14
5.3 Set parameter ........................................................................15
5.4 "Set parameter" reply .................................................................16
5.5 Commands ...........................................................................17
5.5.1 Save Current Settings . ............................................................17
5.5.2 Get Timing Report and Timing reply. ................................................18
5.5.3 NULL Message ....................................................................19
IV. Control Commands .......................................................................20
6. Typical procedure example ...............................................................20
6.1. How to change the “Backlight” setting. ................................................20
6.2. How to read the measurement value of the built-in temperature sensors. ..................23
6.3. Operation Code (OP code) Table .......................................................26
7. Power control procedure .................................................................36
7.1 Power status read ....................................................................36
7.2 Power control ........................................................................38
8. Asset Data read and write ................................................................40
8.1 Asset Data Read Request and reply ....................................................40
8.2 Asset Data write .....................................................................42