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Programmer’s Guide, cont’d
Digital Display Scaler • Programmer’s Guide4-6
Command/response table for SIS commands
Command ASCII Command Response Additional description
(host to scaler) (scaler to host)
Input selection
Select video input
X1
!In•
X1
All Select video input
X1
.
Example:2! In•2All
Select video input 2.
Select video input
X1
&In•
X1
Vid Select video input
X1
.
Read video input !
X1
Video input
X1
is selected.
Read video input &
X1
Video input
X1
is selected.
Input 2 video type
Set video type, input 2 only
X2
\Typ
X2
Specify input 2 video type.
Example: 3\ Typ3 Specify input 2 type as YUVp.
View video type \
X2
Input 2 video type is
X2
.
Scaler output rate
Set the output rate
X3
*
X4
= Rte
X3
*
X4
Select a scaler output scan rate.
View the output rate =
X3
*
X4
Show the scaler output rate.
Example: = 01*02 The scaler is outputting 800x600
at 60 Hz.
Brightness
Set a specific value
X8
Y Brt
X8
Specify the brightness
adjustment.
Increment +Y Brt
X8
Increase the brightness.
Decrement –Y Brt
X8
Decrease the brightness.
View the brightness value Y
X8
Show the brightness setting.
Contrast
Set a specific contrast value
X9
^ Con
X9
Specify the contrast adjustment.
Increment +^ Con
X9
Increase the contrast.
Decrement –^ Con
X9
Decrease the contrast.
View the contrast value ^
X9
Show the contrast setting.
Zoom
Zoom in +{ Zom Zoom in.
Zoom out –{ Zom Zoom out.
Horizontal centering
Increment +H Hph Shift right.
Decrement –H Hph Shift left.
Vertical centering
Increment up +*/ Vph Shift up.
Increment down –*/ Vph Shift down.
Horizontal size
Increase the horizontal size +: Hsz Widen the picture.
Decrease the horizontal size –: Hsz Make the picture narrower.
Vertical size
Increase the vertical size +; Vsz Make the picture taller.
Decrease the vertical size –; Vsz Make the picture shorter.