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EXTERNAL CONT ROL NEC LCD Monitor
Rev.2.6
INDEX
I. Application
................................................................................3
II. Preparation
...............................................................................4
2. Connectors and wiring
....................................................................4
2.1 RS- 232C Remote control
...............................................................4
2.2 LA N control
...........................................................................4
III. Communication specification
...............................................................5
3. Communication Parameter
................................................................5
3.1 RS- 232C Remote control
...............................................................5
3.2 LA N control
...........................................................................5
3.3 Co mmunication timing
.................................................................5
4. Communication Format
...................................................................6
4.1 Header block format (fixed length)
......................................................7
4.2 Message bl ock 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 param e ter" repl y
.................................................................14
5.3 Set param eter
........................................................................15
5.4 "Set parameter" repl y
.................................................................16
5.5 Co mmands
...........................................................................17
5.5.1 Save Current Settings
.............................................................17
5.5.2 G e t 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
.................................................................35
7.1 Power status read
....................................................................35
7.2 Power control
........................................................................37
8. Asset Data read and write
................................................................39
8.1 Asset Data Read Request and reply
....................................................39
8.2 Asset Data write
.....................................................................41