Digital Video Processor
Crestron
CNX-DVP4
to achieve proper results. Any parameter not specified is inserted by the nearest
known standard in memory, which may not function properly with the display
device.
NOTE:
You must reboot for changes to take effect.
In Viewport, there are 11 adjustable parameters. Horizontal resolution is expressed
as pixels; vertical resolution is expressed as lines.
To display the current settings, type
output
at the CNX-DVP4 prompt:
CNX-DVP4>
output
To display a list of the standard available options, type
output ?
To change the settings, type:
output
<space>
parameter number (1-11)
<space>
new setting
and press
Enter
Example, selecting output 2 and changing the vertical resolution to 600:
DVP4>output 2 600
New Custom Output Resolution: 1024 x 600 @ 60 Hz
Reboot to take effect.
Adjustable Video Output Parameters
PARAMETER DEFINITION
Output Parameter 1: 1024 Active Horizontal Pixels
Actual number of horizontal pixels displayed (Minimum 800,
maximum 2000)
Output Parameter 2: 600 Active Vertical Lines
Actual number of vertical pixels displayed (Minimum 600, maximum
1200)
Output Parameter 3: 60 Hz Refresh Rate
Refresh rate depends on resolution, the clock speed settings
determine this parameter. Example: If parameter 1 is 1600, the
maximum rate is 60 Hz
Output Parameter 4: Negative HSync Polarity
Choose negative or positive
Output Parameter 5: Negative VSync Polarity
Choose negative or positive
Output Parameter 6: 1344 Pixel Clocks Horizontal Total
Time
Total number of horizontal pixels. Cannot be less than the sum of:
parameter 1, plus clock duration, plus back-porch pulse sync width.
Output Parameter 7: 136 Pixel Clocks HSync Duration
Pulse width sync
Output Parameter 8: 160 Pixel Clocks Horizontal Back
Porch
Horizontal Back porch
Output Parameter 9: 806 Lines Total Time
Total vertical lines. Cannot be less than the sum of parameter 2,
plus front and back-porch
Output Parameter 10: 6 Lines VSync Duration
Lines of vertical sync duration
Output Parameter 11: 29 Lines Vertical Back Porch
Vertical Back-porch
You cannot enter an invalid resolution (less than the minimum).
Example, entering a horizontal resolution of 768:
DVP4>output 1 768
Invalid Resolution
NOTE:
Type:
output
to display current settings.
Type:
output ?
to display the list of available standard options.
The CNX-DVP4 will accept all valid entries. When the CNX-DVP4 encounters a
number not in the firmware, the following message is displayed:
Operations Guide – DOC. 8170A
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Digital Video Processor: CNX-DVP4
