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2) Control command diagram
The command is structured by the address code, function code, data code and end code. The length of the command is
different for each function.
NOTE:
This example shows a basic command that is used when a single computer and a single monitor are connected.
When you want to connect multiple monitors or perform complicated control using other commands than the basic commands,
contact your dealer for advanced command specifi cations.
Address code Function code Data code End code
HEX 30h 30h Function Data 0Dh
ASCII ‘0’ ‘0’ Function Data
[Address code] 30h 30h (ASCII code, ‘0’ ‘0’), fi xed.
[Function code] Code unique to each control function.
[Data code] Data unique to each control function (Not always indicated by numerical values.)
[End code] 0Dh (In ASCII code, ‘
’) fi xed.
3) Control sequence
(1) A command is sent from the computer to the monitor. (Commands should be sent at intervals of at least 600 ms.)
(2) The monitor sends a return command within 600 ms* after receiving and encoding the command. If the monitor fails to
receive the command, it doesn’t send any return command.
(3) The computer checks the return command to see that the command it sent was executed or not.
(4) The monitor sends various codes other than the return code. While RS-232C control sequence is in progress, reject other
codes on the personal computer side.
*: Transmission of the return command may be delayed during signal switchover, etc.
Example: Turn the power ON (‘ ’ is for ASCII code)
Command from computer Command from monitor Detail of command
30 30 21 0D
‘0’ ‘0’ ‘!’ ‘
’
Command for POWER ON
30 30 21 0D
‘0’ ‘0’ ‘!’ ‘
’
Command received
(Command echoed back)
For RS-485, both of DTR and RTS lines remain Active Low while the TXD command is sent from the computer.
4) Operation commands
The operation commands confi gure the basic operation settings of this LCD monitor. The commands may not work during signal
switchover.
The operation commands have no data codes.
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 RGB 4 _r4 5Fh 72h 34h
INPUT RGB 5 _r5 5Fh 72h 35h
INPUT RGB 6 _r6 5Fh 72h 36h
INPUT VIDEO _v1 5Fh 76h 31h
INPUT DVD/HD _v2 5Fh 76h 32h
INPUT S-VIDEO _v3 5Fh 76h 33h
VOLUME UP r06 72h 30h 36h
VOLUME DOWN r07 72h 30h 37h
MUTE ra6 72h 61h 36h
AUTO SETUP r09 72h 30h 39h
• POWER OFF command should be operated over 1 minute after the power is turned on.
• POWER ON command should be operated over 1 minute after the power is turned off.
• After sending any of the video input selection commands, wait for at least 10 seconds to send the next command.
U-11 Remote control (continued)
Carry out as necessary
Downloaded From TV-Manual.com Manuals