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Using the LCD with a Personal Computer –continued
[Example] Turn the power ON ( ' ' is for ASCII code)
4) Operation commands
The operation commands execute the basic operation setting of this LCD monitor.
It may not operate when changing the signal:
HEX
21h
22h
5Fh 72h 31h
5Fh 72h 32h
5Fh 72h 33h
5Fh 76h 31h
5Fh 76h 32h
Operation
POWER ON
POWER OFF
INPUT RGB 1
INPUT RGB 2
INPUT RGB 3
INPUT VIDEO
INPUT DVD/HD
ASCII
!
"
_r1
_r2
_r3
_v1
_v2
Sending commands
from the PC etc.
30 30 21 0D
'0' '0' '!' ' '
30 30 21 0D
'0' '0' '!' ' '
Status code from LCD
monitor
Meaning
Command for POWER ON
Command received
(Command echo back)
• 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
computer
Command
from
Monitor
Detail of command
30 30 76 50 0D
'0''0'v''P'[enter]
Ask about the power
status of monitor.
30 30 76 50 31 0D
'0''0''v''P''1'[enter]
Monitor is powered-on.
ASCII HEX
Function Data(Receive) Function Data(Receive)
ON vP 1 76 50 31
Power
OFF(stand by)
vP 0 76 50 30
RGB-1(DVI-D) vI r1 76 49 72 31
RGB-2(D-SUB) vI r2 76 49 72 32
RGB-3(BNC) vI r3 76 49 72 33
Video vI v1 76 49 76 31
Input
DVD/HD
vI v2 76 49 76 32
HIBRIGHT vM p1 76 4D 70 31
Picture mode
STANDARD
vM p2 76 4D 70 32
Structure of the Read-command
3) Contro
l
sequence (continue
d
)
*: The sending time of return command may delay depending on the condition (during changing of the
input signal, etc.).