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40
E
Controlling the Monitor with a PC (RS-232C)
You can control this monitor from a PC via RS-232C (COM
port) on the PC.
TIPS
• TocontrolthemonitorviaRS-232C,setRS-232C/LAN
SELECTtoRS-232C.
• WhenSTANDBYMODEissettoLOWPOWER,controlis
not possible in standby mode.
• YoucannotuseRS-232CandLANcontrolsimultaneously.
PC connection
Connect the RS-232C conversion cable (supplied) to the RS-
232C input terminal on the monitor. Connect the RS-232C
conversion cable (supplied) to the COM port (RS-232C port)
on your computer with an RS-232 cable (straight).
RS-232C conversion
cable (supplied)
RS-232 straight cable
(commercially available)
RS-232C input terminal
To COM port
Computer
Communication conditions
Set the RS-232C communication settings on the PC to match
the monitor’s communication settings as follows:
Baudrate *
Stop bit
1 bit
Datalength 8 bits Flow control None
Parity bit None
*SettothesamebaudrateastheBAUDRATEsettingof
SETUPmenu.(Initialsetting:38400bps)
Communication procedure
n
Command format
WhenacommandissentfromthePCtothemonitor,the
monitor operates according to the received command and
sends a response message to the PC.
C1 C2 C3 C4 P1 P2 P3 P4
Return code
Command field
(4 prescribed
alphanumerical characters
)
Parameter field
(4 character string comprised of:
0-9, +, -, space, ?)
Example:VOLM0030
VOLM
30
* Besuretoinput4charactersfortheparameter.Padwith
spaces (“
”) if necessary.
(“
”isareturncode(0D
H
,0A
H
or0D
H
))
Wrong :VOLM30
Right :VOLM 30
Wheninputtinganegativevalue,specifyanumericalvaluein
three digits.
Example:AUTR-005
DonotusespacesforMPOS,DATE,andSC01through
SC08.Specifyparametersusingaspeciednumberof
characters.
Example: MPOS010097
Ifacommandhas“R”listedfor“DIRECTION”inthe
“RS-232Ccommandtable”onpage43,thecurrentvaluecan
be returned by using “?” as the parameter.
Example:
VOLM???? ←
From PC to monitor (How much
is current volume setting?).
30 ←
From monitor to PC (Current
volume setting: 30).