Serial communication, cont’d – Extron electronic Digital Video Scaler Series DVS 304 AD User Manual
Page 52

Serial Communication, cont’d
DVS 304 • Serial Communication
3-12
Command/response table for SIS commands (continued)
Command
ASCII Command
(host to scaler)
Response
(scaler to host)
Additional description
Audio mute (audio models only)
Mute on
1Z
Amt1]
Mute selected input.
Mute off
0Z
Amt0]
Un-mute selected input.
View status
Z
X8)
]
View mute status
(0= mute off, 1= mute on).
Audio gain and attenuation (audio models only)
N
The set gain (G) and set attenuation (g) commands are case sensitive. The increment, decrement, and view commands are not.
N
Add a leading 0 when it is a single digit value
Specific gain
X10@
G
Aud
X10@
]
Set gain to
X10@
dB.
Set attenuation
X10#
g
Aud
X10#
]
Set attenuation to
X10#
dB.
Increment
+G
Aud
X10!
]
Increment audio level (up).
Decrement
- G
Aud
X10!
]
Decrement audio level (down).
View
G
X10!
]
View current audio level.
Volume control (audio models only)
Specific volume
X10$
V
Vol
X10$
]
Set volume to
X10$
.
Increment
+V
Vol
X10$
]
Increase volume.
Decrement
- V
Vol
X10$
]
Decrease volume.
View
V
X10$
]
View current volume setting.
Test Pattern
N
These commands are not case sensitive. Both (J) and (j) can be used interchangeably.
Crop
1J
Tst 1]
Set crop test pattern on.
Alternating pixels
2j
Tst 2]
Set alternate pixels on.
Color bars
3J
Tst 3]
Set color bars on.
Off
0J
Tst 0 ]
Set test pattern off.
View Test Pattern
J
X10$
]
View the test pattern.
Freeze
N
These commands are not case sensitive. Both (F) and (f) can be used interchangeably
Enable
1f
Frz 1]
Freeze selected input.
Disable
0F
Frz 0]
Unfreeze selected input.
View
F
X8)
]
Show the freeze status (1= on, 0=
off).
RGB delay time
Set RGB Delay
3*
X10&
#
Dly
X10&
]
Set RGB delay to (
X10&
x 0.5)
seconds.
View setting
3#
X10&
]
View RGB delay setting.
N
X8)
= 0 or 1
X10!
= Audio level adjustment
range: -15 to +9 dB
X10@
= Audio gain adjustment
range: 0 to 9 dB
X10#
=
Audio attenuation
adjustment range: -15 to 0 dB
X10$
= Volume range:
000 to 100 (always returns 3 digits)
X10&
= RGB delay:
0 to 10 (0 to 5 seconds in 0.5 second steps
)