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Chapter 15. Webcams > Troubleshooting

Troubleshooting

The physical part of the Webcam setup (the PC camera) is normally a point-and-shoot type device—just plug it in and it should deliver an image of whatever it’s pointing at. You’ll want to make sure that the camera is mounted securely (to avoid jitter in repeating images) and that there’s enough light in the room to deliver acceptable images. If the image doesn’t look right to you, use the software that comes with the camera to adjust brightness, contrast, and color balance. If you can’t adjust the software to deliver a good picture, go back to the lighting again—turn on more lights, and move the lights closer to you (or whatever the camera is aimed at). It’s a simple fact that the most common source of bad pictures is bad lighting!

Speaking of lighting, make sure the lighting is in front of you, not behind you. If the light source is coming from behind, the camera will only capture a silhouette. Some PC cameras come with a backlight compensation (BLC) switch (or setting in the software); use this switch if the image continues to appear in shadow.


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