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3-7QSD 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