7 qsd 204 • serial communication – Extron Electronics QSD 204_204D User Guide User Manual
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QSD 204 • Serial Communication
The syntax for setting a special function is
X?
*
X!
# where
X?
is the function number and
X!
is the
value. To view a function’s setting, use
X?
# where
X?
is the function number. In the following table the
values of the
X?
variable are different for each command/function. These values are given in the
rightmost column.
Command/response table for special function SIS commands
Command
ASCII Command Response
X!
values
(host to decoder)
(decoder to host)
and additional descriptions
Enhanced mode
Enhanced mode
12 *
X!
#
Enh
X!
0 = off,
1 = on,
Example:
12*1#
Enh1
Example: enable enhanced
mode
Decoder settings
Output signal
6 *
X!
#
Syn
X!
0 = RGB
1 = YUV
2 = RGsB (sync on green, SOG)
Example:
6*0#
Syn0
Example: RGB sync output
Decoder output polarity
7 *
X!
#
Pol
X!
0 = H-/V- (default)
1 = H-/V+
2 = H+/V-
3 = H+/V+
Example:
7*1#
Pol1
Example: H-/V+ sync polarity
Blue screen
Blue screen
(blue & sync output only)
8*
X!
#
Blu
X!
0 = off
(default) (RGB & sync output)
1 = on
(blue video & sync output only)
Example:
8*1#
Blu1
Example:
blue & sync output for
setup
Auto switch
Auto switch mode
10*
X!
#
Aut
X!
0 = off
(default)
1 = on
Example:
10*1#
Aut1
Example:
enable auto switch mode
Reconstruction filter
Reconstruction filter
11*
X!
#
Fil
X!
0 = off
1 = on
(default)
Example:
11*1#
Fil1
Example:
enable the reconstruction
filter
Serration pulse
Serration pulse
17*
X!
#
Ser
X!
0 = off (default)
1 = on
Example:
17*1#
Ser1
Example:
enable serration pulse