Samsung SP-L331 - Manual (Page 24)

2-9 Installation and Connection
2-9 Setting up the PC Environment
Check the following items before connecting your PC to your projector.
1. Click the right mouse button on the Windows desktop, and then click [Properties].
The dialog appears.
2. Click the [Settings] tab, and then set the . The optimal resolution for the projector is 1024 x 768. For other
resolutions supported by the projector, see the PC Timing Display Mode table in section 2-10.
You do not have to change the setup.
3. Press the [Advanced] button. Another property window appears.
4. Click the [Monitor] tab and set the . For the refresh rate that matches the resolution you’ve chosen, see
the refresh rate (60 Hz, 70 Hz, etc.) next to your selected resolution in the PC Timing Display Mode table in section 2-10.
Setting the refresh rate sets both the vertical and horizontal frequencies.