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Simple Instruction Set
Host-to-Interface Communications
SIS commands consist of one or more characters per ield. No special characters are
required to begin or end a command character sequence. When a command is valid, the
unit executes the command and sends a response to the host device. All responses from
the unit to the host end with a carriage return and a line feed (CR/LF = ] ), which signals
the end of the response character string. A string is one or more characters.
Symbol Deinitions
Symbols (variables), deined on the next page, are used throughout the
Messages
]
represent variables in the unit-initiated messages and the command/response table ields.
}
•
X!
X@
X#
X$
X%
X^
X&
X*
X(
X1)
X1!
X1@
X1#
X1$
X1%
Control
™
Command/Response Table for SIS
section and the
= CR/LF (carriage return/line feed)
= Carriage return (no line feed)
=
= Input
= Threshold
= Input peaking range
= Input level range
= Skew adjustment range
= Video plane
= RS-232 insert status
= Audio/RS-232 wire pair input type
= Audio gain
= Numeric dB value
= Audio attenuation
= Volume adjustment range
= Mute, Front panel lock
= Switch mode
= Firmware version
Unit-Initiated
Commands. The symbols
Space (hard) character
1 – 6
0 = outside of threshold range
1 = within threshold
00 – 65
00 – 255
00 – 31 (each step = 2ns)
0 = red
1 = green
2 = blue
0 = disabled
1 = enabled
0 = audio
1 = RS-232
0 – 24 (1 dB/step)
–18 to +24 (45 steps of gain or
attenuation) (Default = 0 dB)
1 – 18 (1 dB/step)
0 – 100
0 = off
1 = on
1 = normal (manual)
2 = auto
v.vv
MTP SW6 • Remote Control
20
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