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Simple Instruction Set Control
Host-to-Unit Instructions
SIS commands consist of one or more characters per field. 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 Definitions
]
= CR/LF (carriage return/line feed)
}
= Carriage return (no line feed)
|
= Pipe (can be used interchangeably with the
•
= Space (hard) character
E
= Escape key (hex 1B)
W
= Can be used interchangeably with the
X!
= EDID hex switch position
X@
= Refresh rate
X#
= EDID
X$
= Native resolution
X%
= EDID record
X^
= Audio gain adjustment range
X&
= Audio level adjustment range
X*
= Audio attenuation adjustment range
X(
= Mode switch position and enable or disable status
X1)
= HDCP authorized device
X1!
= Link and input status
X1@
= Internal temperature
X1#
= Transmission mode
X1$
= Firmware version
X1%
= Frequency
}
character)
E
character
00 = User captured EDID
01 = RS-232 control
02 = 800 x 600
03 = 1024 x 768
04 = 720p*
05 = 1280 x 768
06 = 1280 x 800
07 = 1280 x 1024
* 720p and 1080p also include a block for embedded audio; all other
positions are video only
1 = 50 Hz
table
See the
Resolution and rate in an easily-viewed format, such as "800x600@60Hz".
128 or 256 bytes
00 to 10
– 18 to +10 (in 1.0 dB steps)
00 to 18
0 = off (down) or disable
0 = off
0 = link or input not detected
nnnF•nnC
SM = singlemode
v.vv
n.nn
08 = 1360 x 768
09 = 1366 x 768
10 = 1400 x 1050
11 = 1440 x 900
12 = 1600 x 1200
13 = 1680 x 1050
14 = 1080p*
15 = 1920 x 1200
2 = 60 Hz
on page 20.
1 = on (up) or enable
1 = on
1 = link or input detected
MM = multimode
FOXBOX Tx/Rx HDMI • Remote Control
18
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