Appendix F - DGX Configuration Software
276
Enova Digital Media Switchers - Hardware Reference Manual
(C) Setting a Custom Resolution With Optional Advanced Detailed Timing Settings
1.
Under Resolution Source, click Custom.
2.
Under Custom Resolution, enter the width, height, and refresh rate.
3.
Under Custom Resolution, select the timing mode from the Timing Mode drop-down list. If Advanced is selected from
the list, the Advanced Timing Mode section opens.
Select Show Timing Details if desired.) Complete all remaining steps.
- or -
If another timing mode is selected from the list, go to Step 5.
4.
Advanced only – Under Horizontal Geometry, enter the values in number of pixels. Under Vertical Geometry, enter
the values in number of lines. Select HSync (+ or -) and VSync (+ or -) Polarity.
5.
In the device tree on the left, select an output to send the resolution information to that output. Multiple outputs may
be selected.
6.
Click Apply to transmit the selected information to the output(s). This action is temporary until settings are stored on
the connector(s) in Step 8. Otherwise, the settings last only until power is cycled. The display re-syncs with the
output(s).
7.
Verify that the display is satisfactory before proceeding.
8.
Click Save to store the currently displayed settings to the connector(s) and persist them in memory. If the settings
have been changed since clicking Apply, the newest settings will be saved.
NOTE:
Down scaling to 800x600 – When using the program to scale from 1280x1024 down to 800x600, occasionally the
video changes to a solid color screen and needs to be reset to restore the image. Auto Scaling is recommended when
possible.
EDID Programmer View
From the EDID Programmer view, EDID EEPROM chips on each of the DGX HDMI and DGX DVI Input Board connectors can
be re-programmed independently if necessary.
EDID Overview
EDID (Extended Display Identification Data) is a data structure established by the Video Electronics Standards Association
(VESA) to enable plug-and-play support by enabling easy configuration of a computer’s graphics subsystem based on
the capabilities of the attached display device.
EDID information includes items such as the following:
Manufacturer’s name
Product type
Supported video resolutions and refresh rates
Color space and filter
Detailed timings
FIG. 165
Scaler Override view with a Custom Resolution selected (left); Advanced Timing Mode selected (right)
Show Timing Details selected for
viewing Advanced Timing Settings
Custom Resolution/Timing
Mode options include:
Advanced Timing Mode
GTF
(General Timing Formula)
CVT
(Coordinated Video Timing)
VCVT-RB
(Coordinated Video
Timing - Reduced
Blanking)