English-31

English
3) Control sequence
(1) A command is sent from the computer to th e monitor. (Commands should be sent at interva ls of at least 600 ms.)
(2) The monitor sends a return command w ithin 600 ms* after receiving and en coding the command. If the monitor fails to
receive the command, it doesn’t send any return c ommand.
(3) The computer checks the return com mand to see that the command it sent was exec uted or not.
(4) The monitor sends various code s other than the return code. While RS-232C con trol sequence is in progress, reje ct other
codes on the personal computer sid e.
*: Transmission of the return command may be delayed du ring 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)
4) Operation commands
The operation commands confi gure the basic operation settings of this LCD m onitor. The commands may not work during signal
switchover.
The operation commands have no data cod es.
Operation ASCII HEX Operation ASCII HEX
POWER ON ! 21h INPUT DVD/HD _v2 5Fh 76h 32h
POWER OFF " 22h INPUT S-VIDEO _v3 5Fh 76h 33h
INPUT RGB 1 _r1 5Fh 72h 31h VOLUME UP r06 72h 30h 36h
INPUT RGB 2 _r2 5Fh 72h 32h VOLUME DOWN r07 72h 30h 37h
INPUT RGB 3 _r3 5Fh 72h 33h MUTE ra6 72h 61h 36h
INPUT RGB 4 _r4 5Fh 72h 34h AUTO SETUP r09 72h 30h 39h
INPUT VIDEO _v1 5Fh 76h 31h
• After sending the POWER ON or POWER OFF command, wait for at least 1 minu te to send the next command.
• After sending any of the video input selection command s, wait for at least 10 seconds to send the next co mmand.
5) Read command
The computer sends the command witho ut datacode to the monitor.
After receiving this command, the moni tor returns the command with datacode i ncluding the current status to the compu ter.
Example: When the computer asks the power s tatus of the monitor, and the status of the monitor is power ed-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 the monitor.
30 30 76 50 31 0D ‘0’‘0’‘v’‘P’‘1’[enter] Monitor i s powered-on.
Structure of the Read-command
ASCII HEX
Function Data (Receive) Function Data (Receive)
POWER ON vP 1 76 50 31
OFF (stand by) vP 0 76 50 30
Input
RGB-1 (HDMI) vI r1 76 49 72 31
RGB-2 (DVI-D) vI r 2 76 49 72 32
RGB-3 (D-SUB) vI r3 76 49 72 33
RGB-4 (BNC) vI r4 76 49 72 34
Video vI v1 76 49 76 31
DVD/HD vI v 2 76 49 76 32
S-VIDEO vI v3 76 49 76 33
Internal
temperature
Around the main
board
Resolution
1˚C tc1 (ex.) +25 74 63 31 2B 20 32 35
Around the power
supply
Resolution
1˚C tc2 (ex.) +31 74 63 32 2B 20 33 31
U-10 Remote control (continued) Carry out as necessary
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