Datapath ImageDP4 User Manual page 17

Prune Modes
Enabling this check box limits the resolutions displayed in the resolution box to those that are
supported by all of the screens attached to the ImageDP4 card's active outputs. This information is
read from the monitor EDIDs when the TWIN tab is opened. If the state of this check box is changed
then the resolution control is updated.
When you click on OK or Apply the following dialog is displayed:
This dialog gives you the option to accept the changes or restore the previous display settings. The
display will return to the previous settings after 15 seconds should Yes or No not be selected.
Warning!
Always close all video window applications (including Wall Control applications connected locally
or remotely to the system) before performing any operation that modifies the settings of any at-
tached display. Failure to do so could result in the machine locking up and requiring a reboot.
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