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Serial Communication, cont’d
System 7SC • Serial Communication4-6
Image size
Specify image size, maintain aspect ratio
X15
{ Isz
X15
Set picture height & width together.
Size up, maintain aspect ratio +{ Isz
X15
Increase height & width equally.
Size down, maintain aspect ratio -{ Isz
X15
Decrease height & width size equally.
View the image size value { Isz
X15
Show the image size setting.
Horizontal size
Specify the horizontal size
X15
:Hsz
X15
Set the picture width.
Increase the horizontal size +: Hsz
X15
Widen the picture.
Decrease the horizontal size -: Hsz
X15
Make the picture narrower.
View the horizontal size value : Hsz
X15
Show the horizontal size setting.
Vertical size
Specify the vertical size
X15
; Vsz
X15
Set the picture height.
Increase the vertical size +; Vsz
X15
Make the picture taller.
Decrease the vertical size -; Vsz
X15
Make the picture shorter.
View the vertical size value ; Vsz
X15
Show the vertical size setting.
Top blanking
Specify a top blanking value
X17
( Blt
X17
Set the number of lines to blank
at the top of the picture.
Increase the top blanking value +( Blt
X17
Increase the # of top lines blanked.
Decrease the top blanking value -( Blt
X17
Decrease the # of top lines blanked.
View the top blanking value ( Blt
X17
Show the number of lines that are
blanked at the top of the picture.
Bottom blanking
Specify a bottom blanking value
X17
) Blb
X17
Set the number of lines to blank
at the bottom of the picture.
Increase the bottom blanking value +) Blb
X17
Increase the number of lines
blanked at the bottom.
Decrease the bottom blanking value -) Blb
X17
Decrease the number of bottom
lines blanked.
View the bottom blanking value ) Blb
X17
Show the # of bottom lines that
are blanked.
Scaler rate
Set the output rate
X11
= Rte
X11
Select a scaler output scan rate.
View the output rate = Rte
X11
Show the scaler output rate.
Freeze
Enable 1F Frz1 Output a “frozen” video image.
Disable 0F Frz0 Turn off freeze (output motion).
View the freeze status F Frz
X2
Show the freeze status.
Example: F Frz0
Command/response table for SIS commands (continued)
Command ASCII Command Response Additional description
(host to switcher) (switcher to host)