For certain controllers listed below Digital View has an Auto EDID function, which will modify and set the EDID parameters to match the panel resolution. The following explains:
EDID: Extended Display Identification Data (EDID) is data encoded onto the controller to describe its capabilities to a video source (e.g. PC graphics card or set-top box). Very importantly it tells the video source the maximum resolution.
Auto EDID function: The dip switch settings are changed on the controller to match the LCD panel resolution. The EDID settings are also automatically changed to match that panel resolution, making this the default preferred resolution.
The following controllers that currently support ‘Auto EDID function’ are listed below :
Graphics cards these days are very flexible regarding output characteristics such as resolution:
If you take a 1600×1200 resolution panel and connect a controller, but the controller EDID is left at 1920×1200, the graphics card will read the EDID and will output 1920 x 1200 resolution (which is actually too high for the panel so the controller will downscale – as a result, a suboptimal image.)