Datapath Image4 User Manual page 15

When the TWIN tab is selected, the display driver reads the EDID information from each monitor and
readstheRegistrytofinddetaileddisplaytiminginformation.
The Source of Mode group box shows which mode sources are available for the selected resolution and
colour depth.
The Source of Mode has 4 options.
Default
Monitor timing information from the display driver's internal tables.
Custom
MonitortiminginformationfromtheRegistry.(SeeAppendix1:DefiningCustomModesfordetails)
Monitor (Master)
Monitor timing information from the monitor attached to output 1 of the Master Image4 is used for all
outputs.
Monitor (Each)
The monitor timing information from each monitor is used for the output connected to that monitor.
No. Screens
Change the number of screens the display driver uses. You should always install the driver (using install.
exe) for the maximum number of screens you want to use.
Screen Arrangement
Use the drop down menu to select the type of screen arrangement you require. The illustration in the
MonitorConfigurationboxwillreflectyourchoice.
Force DVI Output
When the Datapath display driver initializes it reads the EDIDs of the attached screens to determine if
the DVI (digital) or analog outputs should be used. If no monitor EDID is read then this control is used to
decide which output to enable.
Ifthecheckboxisinanindeterminatestateitsignifiesthattheenabledoutputsarenotasrequestedby
the user. This will occur if a mixture of analog and digital screens are used or if the type of monitor used
isdifferenttotheForceDVIstate.
If the check box state is changed the Apply button will become active, click on Apply to force the re-
quired output.
Since the DVI (digital) output supports a lower pixel dot-clock frequency than the analog output, the
resolutiondialogisupdatedwhenthecheckboxischangedtoreflecttheresolutionssupportedbythe
active output.