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Serial Communication, cont’d
QSD 204 • Serial Communication3-4
Command/response table for SIS commands
Command ASCII Command Response Additional description
(host to decoder) (decoder to host)
Input selection
Select video input
X5
!C
X5
Video input
X1
Example:3!C3 Example: select video input 3
Video mute
Mute on 1B Vmt
X2
Mute video output.
Example: 1B Vmt1
Mute off 0B Vmt
X2
Unmute video output.
View video mute status B Vmt
X2
Show the status of video mute.
Input video type (inputs 2 and 4 only)
Set video signal type
X5
*
X4
\
X5
Typ
X4
Select input
X5
(inputs 2 and 4
only) and assign it a video type
X4
. Video type
X4
is defined to
be: 1=video, 2= S-video, 3 = YUV, 5 =
RGBS, 6 = RGBcvS, and SDI. For SDI
input, substitute
X5
with
X1
where the SDI input can be
assigned to input
X1
(0, 1, 2, 3,
or 4 with 0 meaning there is no
SDI input).
Example: 2*3\ 2Typ3 Example: set input 2 to 3 (YUV)
View the video signal type
X5
\
X5
Typ
X4
Show the video signal type.
Example: 2\ 2Typ3 Example: show input 2 video type 3
(YUV).
Color
Set a specific color value
X10
C Col
X10
Specify a color adjustment level.
Example: 47C Col047 Example: set the color adjustment to 47.
Increment +C Col
X10
Increase color adjustment level.
Decrement -C Col
X10
Decrease color adjustment level.
View the color value C Col
X10
Show the color adjustment.
Tint
Set a specific tint value
X10
T Tin
X10
Specify a tint adjustment level.
Example: 176T Tin176 Example: set the tint to 176.
Increment +T Tin
X10
Increase tint adjustment level.
Decrement -T Tin
X10
Decrease tint adjustment level.
View the tint value T Tin
X10
Show the tint adjustment.
Contrast
Set a specific contrast value
X10
^ Con
X10
Specify the contrast adjustment.
Increment +^ Con
X10
Increase the contrast.
Decrement -^ Con
X10
Decrease the contrast.
View the contrast value ^ Con
X10
Show the contrast setting.
Brightness
Set a specific value
X10
Y Brt
X10
Specify the brightness
adjustment.
Increment +Y Brt
X10
Increase the brightness.
Decrement -Y Brt
X10
Decrease the brightness.