E
33
Controlling the Monitor with a PC (RS-232C)
nResponse code formatWhen a command has been executed correctly
O K Return code
(0DH, 0AH)
A response is returned after a command is executed.
* IfanIDnumberhasbeenassigned
O K SPC 0 0 1
ID number of respondin
g
monitor
Space (20H) Return code
(0DH, 0AH)
When a command has not been executed
R R E Return code
(0DH, 0AH)
* IfanIDnumberhasbeenassigned
R R E SPC 0 0 1
ID n
u
m
be
r
Space (20H) Return code
(0DH, 0AH)
TIPS
• “ERR”isreturnedwhenthereisnorelevantcommandor
when the command cannot be used in the current state of
the monitor.
•Ifcommunicationhasnotbeenestablishedforreasons
suchasabadconnectionbetweenthePCandmonitor,
nothingisreturned(notevenERR).
•“ERR”maybereturnedwhenacommandcan’tbe
received correctly due to interference from the surrounding
environment.
Please ensure that the system or software retries the
command if this occurs.
•IfnomonitorhasbeenassignedthedesignatedIDnumber
(e.g.ifthecommandIDSL0002 is used, but no monitor
withIDnumber:2isfound),noresponseisreturned.
If execution of the command is taking some time
I W T A Return code
(0DH, 0AH)
Whenthefollowingcommandsareused,“WAIT”isreturned.
Inthiscase,avaluewillbereturnedifyouwaitawhile.Donot
send any command during this period.
NoIDnumberisattachedtoWAITresponse.
• CommandswhichreturnWAIT:
1. Whenrepeatercontrolisused
2. WhenanIDSLorIDLKcommandisused
3. Whenoneofthefollowingcommandsisused:RSET,
INPS,ASNC,WIDE,EMAG,EPOS,PXSL,POWR,
AGIN,MWIN,MWIP,MWPP,ESTG,EMHV,EPHV,
ESHV,ENLG
When control via RS-232C is locked (to prevent use)
using the operation lock function (see page 31)
E C D K O L Return code
(0DH, 0AH)
When RS-232C/LAN SELECT is set to LAN
U N S E L E C T E D
Return code
(0DH, 0AH)
• AfterOKorERRisreturned,youmustsendthefollowing
commands.
Tosetatimeoutforthecommandresponse,specify10
seconds or longer.
Whenconnectingmultiplemonitorsinadaisychain,setthe
timeout to at least the product of the monitor’s position from
thecomputermultipliedby10seconds.
Example)3rdmonitorfromcomputer:30secondsorlonger.
• Provideanintervalof100msormorebetweenthe
command response and the transmission of the next
command.
VOLM0020
OK
INPS0001
WAIT
OK
Interval of 100 ms or more
TIPS
• WhenexecutingALLRESET,setthetimeoutperiodto30
seconds or longer.
• WhenturningthepoweronwhilethePOWERONDELAY
functionisinuse,setthetimeoutperiodtothePOWERON
DELAYperiod+10secondsorlonger.