NEC RS-232C manual External Control

EXTERNAL CONTROL		NEC LCD Monitor
			Rev.3.5
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

(1/72)