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

Page 31
Image 31
Mitsubishi Electronics MLM400 user manual Using the LCD with a Personal Computer