Extron electronic Digital Video Scaler Series DVS 304 AD User Manual
Page 51
3-11
DVS 304 • Serial Communication
Command
ASCII Command
(host to scaler)
Response
(scaler to host)
Additional description
Zoom Mode
Zoom in
+{
Zom
X8*
]
Zoom in, make the window larger.
Zoom out
–{
Zom
X8*
]
Zoom out, make the window
smaller.
Set zoom value
X8*
{
Zom
X8*
]
Set zoom percentage from 100%
(default) to 200%.
View
{
X8*
]
View zoom percentage.
Pan
Right
+1
Hpn
X8(
]
Left
–1
Hpn
X8(
]
Up
–2
Vpn
X8(
]
Down
+2
Vpn
X8(
]
Output Scaler Rate
N
Add a leading 0 when it is a single digit value
Set output rate
X9!
*
X9@
=
Rte
X9!
*
X9@
]
Select output resolution and refresh
rate.
View output rate
=
X9!
*
X9@
]
Show selected output rate.
Output Sync Format
Set format
6*
X9$
#
Syn
X9$
]
Set current output sync format
setting.
View setting
6#
X9$
!]
View currently set output sync
format.
Set polarity
7*
X9#
#
Pol
X9#
]
View format
7#
X9#
!]
Memory Presets (input 1 to 4)
Recall preset
1*
X9%
.
1Rpr
X9%
]
Recalls memory preset
X9%
for
selected input.
Save preset
1*
X9%
,
1Spr
X9%
]
Saves memory preset
X9%
for
selected input.
Input Presets (for input 4 only)
Recall preset
2*
X9^
.
2Rpr
X9^
]
Recalls input 4 preset
X9^
.
Save preset
2*
X9^
,
2Spr
X9^
]
Saves input 4 parameters to
X9^
.
Write/Read input preset name
Write preset name
Esc
X9^
,
X8$
NG}
Nmg
X9^
,
X8$
]
Name preset
X9^
as “
X8$
”.
Read preset name
2*
X9^
,
2Spr
X9^
]
Save preset
X9^
as “
X8$
”.
N
If a preset has not been saved, then
X8$
displays [unassigned]. The preset name is also the OSD text label that displays on the screen when
recalled. Changing the input preset name also updates the OSD text label of that input.
N
X8)
= 0 or 1
X8$
= Text label/Preset name:
Up to 16 characters
X8(
= Pan
(Values depend on current output rate and zoom %)
X9!
=
Output resolution
1 to 22 for resolutions 640 x 480 to 1280 x 800 (see page 3-7)
X9@
= Output refresh rate:
1 to 6 for rates 24 Hz to 120 Hz (see page 3-7)
X9#
= Output polarity:
0 = H - / V -, 1 = H - / V +, 2 = H + / V -, 3 = H+/ V +
X9$
= Output sync format:
0 = RGBHV (default), 1 = RGBS, 2 = RGsB, 3 = Y, R-Y, B-Y
X9%
= Memory presets:
1 to 3
X9^
= Input 4 presets:
1 to 128