Mitsubishi Electric DR854 User Manual page 40

3) Control sequence
(1) The command from a computer to the LCD monitor will be sent in 600 ms.
(2) The LCD monitor will send a return command 600 ms* after it has received and encoded. If the command isn't received
correctly, the LCD monitor will not send the return command.
(3) The personal computer checks the command and confi rms if the command, which has been sent, has been executed or
not.
(4) This LCD monitor sends various codes other than return code. When having a control sequence by RS-232C, reject other
codes from personal computers side.
* : 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
from the PC
30 30 21 0D
'0' '0' '!' ' '
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
POWER ON !
POWER OFF "
INPUT RGB 1 _r1
INPUT RGB 2 _r2
INPUT RGB 3 _r3
INPUT RGB 4 _r4
INPUT RGB 5* _r5
INPUT RGB 6 _r6
INPUT VIDEO _v1
INPUT DVD/HD _v2
INPUT S-VIDEO** _v3
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.
Example: When Host computer ask Power status of monitor, the status of monitor is powered-on.
Command from computer
30 30 76 50 0D '0''0''v''P'[enter]
Structure of the Read-command
ON
POWER
OFF (stand by)
RGB-1 (HDMI)
RGB-2 (DVI-D)
RGB-3 (D-SUB)
RGB-4 (BNC)
Input RGB-5* (CAT5)
RGB-6 (DISPLAY PORT)
Video
DVD/HD
S-VIDEO
HIGHBRIGHT
Picture mode
STANDARD
Around
Temperature
Main board
of internal
Around
monitor
Power PCB
* : RGB-5 becomes usable when the optional CAT5 Rx BOX is mounted.
Status code from
LCD monitor
30 30 21 0D
'0' '0' '!' ' '
(Command echoed back)
HEX
21h • POWER OFF command should be operated over 1 minute after
22h the power is turned on.
5Fh 72h 31h
• POWER ON command should be operated over 1 minute after
5Fh 72h 32h
the power is turned off.
5Fh 72h 33h
* RGB 5 becomes usable when the optional CAT5 Rx BOX is
5Fh 72h 34h
mounted.
5Fh 72h 35h
** S-VIDEO is SEPARATE only
5Fh 72h 36h
5Fh 76h 31h
5Fh 76h 32h
5Fh 76h 33h
Command from Monitor
30 30 76 50 31 0D '0''0''v''P''1'[enter] Monitor is powered-on.
Function
vP
vP
vI
vI
vI
vI
vI
vI
vI
vI
vI
vM
vM
resolution
tc1
1 ˚C
resolution
tc2
1 ˚C
English-36
Meaning
Command for
POWER ON
Command received
Detail of command
Ask about the power status of monitor.
ASCII
Data (Receive) Function
1 76 50
0 76 50
r1 76 49
r2 76 49
r3 76 49
r4 76 49
r5 76 49
r6 76 49
v1 76 49
v2 76 49
v3 76 49
p1 76 4D
p2 76 4D
(ex.) +25
74 63 31
(ex.) +31
74 63 32
HEX
Data (Receive)
31
30
72 31
72 32
72 33
72 34
72 35
72 36
76 31
76 32
76 33
70 31
70 32
2B 20 32 35
2B 20 33 31