Mitsubishi Electronics MLM400 user manual Using the LCD with a Personal Computer

Using the LCD with a Personal Computer –continued

3) Control sequence (continued)

*: The sending time of return command may delay depending on the condition (during changing of the input signal, etc.).

[Example] Turn the power ON ( '		' is for ASCII code)
	Sending commands		Status code from LCD	Meaning
	from the PC etc.		monitor
	30 30 21 0D			Command for POWER ON
	'0' '0' '!' ' '
			30 30 21 0D	Command received
			'0' '0' '!' ' '	(Command echo back)

4) Operation commands

The operation commands execute the basic operation setting of this LCD monitor.

It may not operate when changing the signal:

Operation	ASCII	HEX
POWER ON	!	21h
POWER OFF	"	22h
INPUT RGB 1	_r1	5Fh 72h 31h
INPUT RGB 2	_r2	5Fh 72h 32h
INPUT RGB 3	_r3	5Fh 72h 33h
INPUT VIDEO	_v1	5Fh 76h 31h
INPUT DVD/HD	_v2	5Fh 76h 32h

•POWER OFF command will not work for 1 minute after the power is turned on.

•POWER ON command will not work for 1 minute after the power is turned off.

5)Read command

Host computer sends the command without Data-code to monitor.

After receiving this command, the monitor returns the command with Data-code of current status to host computer.

< ex. > When Host computer ask Power status of monitor, the status of monitor is powered-on.

Command from	Command from	Detail of command
computer	Monitor
30 30 76 50 0D		Ask about the power
'0''0'v''P'[enter]		status of monitor.
	30 30 76 50 31 0D	Monitor is powered-on.
	'0''0''v''P''1'[enter]
Structure of the Read-command

			ASC II
		Function	Data(Receive)	Function
Power	ON	vP	1	76	50
	OFF(stand by)	vP	0	76	50
	RGB- 1(DVI-D)	vI	r1	76	49
Input	RGB- 2(D-SUB)	vI	r2	76	49
	RGB- 3(BNC)	vI	r3	76	49
	Video	vI	v1	76	49
	DVD/HD	vI	v2	76	49
Picture m ode	HIBRIGHT	vM	p1	76	4D
	STANDARD	vM	p2	76	4D

HEX

Data(Receive)

31

30

7231

7232

7233

7631

7632

7031

7032

29