AIPTEK PENCAM SD 2Mega Instructions D'installation page 41

Symptom
7. Noise appears on PC screen while camera
used as a video conferencing camera.
8. Images are blurred.
9. Images are too dark.
10. AVI files can't be played back
All manuals and user guides at all-guides.com
Troubleshooting
Actions
Change Band Filter to 50 Hz or 60 Hz.
Adjust focus.
Take pictures while there is adequate light.
Use editing tools such as Photoshop or
PhotoImpact to adjust image brightness.
Install Direct X 8.1 or above.