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Serial Communications, cont'd
Command/response table for SIS commands (cont'd)
Command
Pixel phase
Set a pixel phase value
Example:
Increment pixel phase value
Decrement pixel phase value
View the pixel phase value
Freeze
Enable freeze
Disable freeze
View the freeze status
Example:
Zoom
Zoom in
Zoom out
Audio gain and attenuation
The SIS commands for setting audio gain and attenuation are case sensitive. "G" sets gain and "g"
sets attenuation. Increment, decrement, and view are not case sensitive.
Set gain
Example:
Set attenuation
Example:
Increment level
Decrement level
View audio level
Example
Audio output volume
Set the output volume
Increment the output volume
Decrement the output volume
View the output volume
Audio delay
Set the audio delay on
Set the audio delay off
View the audio delay
Example:
4-6
IN1508 Scaling Presentation Switcher • Serial Communications
ASCII Command
Response
(host to switcher)
(switcher to host)
U
Phs
X11
6U
Phs6
+U
Phs
–U
Phs
U
Phs
1F
Frz1
0F
Frz0
F
Frz
X4
F
Frz0
+{
Zom
–{
Zom
G
Aud
X12
3G
Aud+03
g
Aud
X13
15g
Aud-15
+G
Aud
-G
Aud
G
Aud
G
Aud-03
V
Vol
X15
X15
+V
Vol
X15
-V
Vol
X15
V
Vol
X15
1@
Ad1
0@
Ad0
@
Ad
X4
@
Ad1
Additional description
X11
Use a pixel phase setting of 6.
Increase the pixel phase setting.
X11
Decrease the pixel phase setting.
X11
Pixel phase value is
X11
Output a "frozen" video image.
Turn off freeze (output motion
video).
Show the freeze status.
Freeze mode is off.
Zoom in on the video image.
Zoom out from the video image.
Set gain for the selected input to
X14
dB.
X12
Set gain for the selected input to
3 dB.
Set attenuation for the selected
X14
input to
X13
Set attenuation for the selected
input to -15 dB.
Increase the selected input's
X14
audio level by +1 dB.
Decrease the selected input's
X14
audio level by -1 dB.
View gain for the selected input.
X14
The IN1508 reports that the
audio level for the selected input
is at -3 dB of attenuation.
Set the volume for the audio
output.
Increase the output's volume
level by 1 step.
Decrease the output's volume
level by 1 step.
Show the volume level.
Delay audio to match the delay
inherent in video scaling.
Audio delay is on.
.
X11
dB.
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