Extron electronic SW8/12 VGA Switch User Manual


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3-3
SW8/12 VGA Ars • Control
Error responses
When the switcher receives a valid command, it executes the command and sends
aresponsetothehostdevice.Iftheunitisunabletoexecutethecommandbecause
the command contains invalid parameters, it returns an error response to the host.
Error response codes are:
E01—Invalidinputchannelnumber(outofrange)
E06—Invalidinputchannelchange(auto-switchmodeactive)
E09—Invalidfunction(mode)parameter
E10—Invalidcommand
E13—Invalidvalue(outofrange)
Timeout
Apauseof10secondsorlongerbetweencommandASCIIcharactersresultsina
timeout. The command operation is aborted with no other indication.
Using the command/response table
Thecommand/responsetableisonthefollowingpages.Lowercaselettersare
allowedinthecommandeldonlyasindicated.Symbolsareusedthroughout
thetabletorepresentvariablesinthecommand/responseelds.Commandand
responseexamplesareshownthroughoutthetable.TheASCIItoHEXconversion
table below is for use with the command/response table.
ASCII to HEX Conversion Table
Space
Figure 3-1 — ASCII-to-HEX conversion table
Symbol definitions
]
=CR/LF(carriagereturn/linefeed)
}
= Carriage return (no line feed)
•
= Space character
X!
=Inputnumber SW8=0through8
SW12=0through12
0=outputmute
X@
=Indicatessignalpresence 0=signalnotpresent
1 = signal is present
X#
=On/offstatus 0=off
1 = on
X$
=Volumevalue/range 0-100
X%
= Switch mode 1 = normal mode
2 = auto switch mode
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