Cisco CTS 1000 - TelePresence System 1000 Video Conferencing Administration Manual page 88

Managing CTS 500 Hardware Setup
Note
Step 2 To make additional adjustments to the camera brightness and contrast levels, select a choice from the
Luminance drop-down list.
Step 3 In the 50 Hz Flicker Reduction field, click the Disable radio button.
Note
Understanding Camera Setup Choices for Room Lighting
If your room has windows that contribute a significant amount of natural light, you can set your CTS to
automatically compensate for variable lighting conditions. This compensation is an average adjustment
and will not be as accurate as the color settings you select for a room that uses fixed, artificial room
lighting.
Table 4-2
display and camera. See the
Table 4-2
Physical Room Configuration
No windows
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•
•
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Focusing the Camera
The CTS 500 camera has vertical height, zoom, and focus adjustments. Adjust the camera using the
following guidelines:
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Cisco TelePresence System Administration Guide
4-16
Auto Color Balance can produce undesirable results if the colors of the walls in your room are
not white or gray.
If you are in country that uses a 50 Hertz (Hz) power frequency (a country other than the USA,
Canada or Mexico) and there is a noticeable flicker on the screen, click the Enable radio button
in this field. If you enable the flicker reduction feature, the flicker is reduced or eliminated, but
the image quality is reduced. To eliminate the flicker at its source, you can use an electronic
ballast instead of a magnet ballast for the fluorescent lights at your installation. After you change
the ballast for the fluorescent lights, you can click the Disable radio button in the 50 Hz Flicker
Reduction field.
contains recommendations for desirable display and camera settings when you set up the
"Testing the CTS 500 Camera" section on page 4-7
Room Configuration and Camera Setup Choices
One window
Two adjacent windows (corner office
configuration)
Two opposing windows
Windows on three sides
Windows on four sides
Using the camera test images that display on the screen, adjust the camera vertical height to set the
eye level of the user at 70 percent of the total vertical height of the screen.
Using the large and small (far and near) targets that you set up in
adjust the camera focus.
Chapter 4 Troubleshooting the CTS 500
for more information.
Camera Auto Brightness and 
Camera Auto Color Balance Setup Choices
Disable
Enable
Setting up the Camera Targets,
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