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Installation and Operation, cont'd
Resolution and refresh rates
Rotate the Adjust horizontal (
available combinations of output resolutions and refresh (vertical scanning)
rates.
Rotate the Adjust vertical ( ) knob while in this submenu to select one of the
available refresh rates. Selecting @60L (Lock) refresh rate enables the Extron
Accu-RATE Frame Lock
Lock eliminates image tearing and other artifacts of scaling motion video by
eliminating frame rate conversion. It exactly matches the output rate of the
DVS 204's scaler to the frame rate of the active input. Select this feature if you
will be using motion video sources with a display that is capable of a variety of
refresh rates.
Resolution
640 x 480
800 x 600
848 x 480
852 x 480
1024 x 768
1280 x 768
1280 x 1024
1360 x 765
1365 x 1024
1400 x 1050
HDTV 480p
HDTV 576p
HDTV 720p
HDTV 1080p
HDTV 1080i
*Rate is autoselected based on input
Output Signal
Using either the Adjust horizontal (
output video format required by the display: RGB (default), YUV, or RGsB.
Sync Polarity
The display or projector may require a particular combination of horizontal (H)
and vertical (V) sync signal polarities. Select the appropriate combination of
positive or negative H and V sync by rotating either the Adjust horizontal (
Adjust vertical ( ) knob.
2-12
DVS 204 • Installation and Operation
) knob while in this submenu to select one of the
™
(AFL
™
) (patent pending) feature. Accu-RATE Frame
Available Scaler Output Resolutions and Rates
50 Hz 56 Hz 60 Hz 75 Hz Lock @ 50/60* True 72/100*
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
The default resolution and rate is 1024 x 768 @ 60Hz.
If the previous output signal was specified as RGsB or YUV, this submenu
will not be displayed because this menu is only active for RGBHV.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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X
** NTSC only; no 100 Hz rate
) or Adjust vertical ( ) knob, select the
X
X
X
X
X
X
**
X
**
X
) or
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