Sony VAIO PCG-X29 Software Manual page 34

Customizing Your Notebook Computer
Selecting the Display mode
External display device:
Setting Function
Connection to an external computer display.
CRT
Projector Connection to a projector.
Set the refresh rate/resolution (for Independent display/Timing)
When Independent display/Timing is selected in Monitor settings, you can set
separate values for the refresh rate and resolution of the internal and external displays.
1
Set the resolution
Select the resolution for the projector that you are going to use.
2
Click OK
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