CCTV Camera Pros Geovision 8.4 Multicam Digital Surveillance System - Manual (Page 127)

Configuring Main System
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1.20.2 Image Quality of DirectDraw Overlay
By default, the DirectDraw Overlay is activated and set to High Quality if your VGA cards support it.
However, High Quality can result in blurred images for certain VGA cards or in a low panel resolution.
When the image problem occurs or the panel resolution is set to 1280 x 1024 or lower, change the
setting to Standard Quality.
1. Click the Configure button (No.14, Figure 1-2), select Tools, select DirectDraw Configuration,
click the DirectDraw Overlay tab, and select Standard Quality or High Quality.
2. Restart the Main System for the selection to take effect.