Extron electronics Digital Video Scaler Series DVS 304 AD, User Manual, Page: 48 / 96

Serial Communication, cont’d
DVS 304 • Serial Communication 3-8
Command/response table for SIS commands
Command ASCII Command
(host to scaler)
Response
(scaler to host)
Additional description
Input Selection
Video and Audio X7! !
In
X7!
• All ] Select video and audio from input
X7!
.
Video X7!
&
In
X7!
• RGB ] Select video from input source
X7!
.
Audio
X7!
$ In
X7!
• Aud ] Select audio from input source
X7!
Input Video Type (Input 2 and input 4)
Set Video Type
X7@
*
X7#
\
X7@
Typ
X7#
] Sets input
X7@
to format
X7#
.
View Video Type X7@
\
X7#
] View video type of input
X7@
.
Select SDI input number (SDI model only)
Set Video Type
X7!
* 9 \
X7!
Typ 9
]
Sets input
X7!
to SDI
View Video Type
X7!
\
X7#
] View video type of input
X7!
.
Horizontal Start
Specify a value
X7$
) Hst
X7$
]
Set horizontal location of first active
pixel in active window.
Increment value + )
Hst
X7$
]
Increment to a higher horizontal start
position
Decrement value – )
Hst
X7$
]
Decrement to a lower horizontal start
position.
View )
X7$
]
Show horizontal location of first active
pixel in active window.
Vertical Start
Specify a value X7%
( Vst
X7%
]
Set vertical location of first active line
in active window
Increment value + (
Vst
X7%
]
Increment to a higher vertical start
position.
Decrement value – (
Vst
X7%
]
Decrement to a lower vertical start
position.
View ( X7%
]
Show vertical location of first active
line in active window.
Pixel Phase (Available only for RGB and YUVp input signals)
Specify a value
X7^
U Phs
X7^
]
Adjust the pixel phase to specified
value.
Increment value + U
Phs
X7^
]
Increase the pixel phase.
Decrement value – U
Phs
X7^
]
Decrease the pixel phase.
View U
X7^
]
Show the pixel phase.
Total Pixels (Available only for RGB and YUVp input signals)
Specify a value
11*
X7&
# Tpx
X7&
]
Adjust the total pixels to specific value.
Increment value +11 #
Tpx
X7&
]
Increase the total pixels.
Decrement value - 11 #
Tpx
X7&
]
Decrease the total pixels.
View 11 #
X7&
]
Show the total pixels.
N
X7! = Input selection 1 to 4
X7@ = Input selection 2 or 4
X7# = Input video format 1 to 9 (see page 3-6)
X7$ = H start 0-127 for video, 0-255 for RGB and YUVp
X7% = V Start: 0 to 93 for video inputs; 0 to 255 for RGB and YUVp inputs.
X7^ = Pixel phase: 1 to 31
X7& = Total pixel +/- 255 of the default value