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