Cisco CTS 1000 - TelePresence System 1000 Video Conferencing Administration Manual page 232

Managing CTS 1300 Hardware Setup
Note
Step 12 Click Apply to apply your changes.
Calibrating the Center Camera
To adjust the zoom and initial focus for the center camera:
Step 1 Place the large camera target with the easel in the position where the center two participants will sit, with
the front legs of the easel touching the edge of the table.
Step 2 Measure the distance between the corners of the easel and the corners of the display to make sure that
the target is parallel to the display, as shown in
Figure 8-15
Return to the Cisco TelePresence System Administration interface and choose Troubleshooting >
Step 3
Hardware Setup.
Click the Cameras radio button.
Step 4
Click the Center radio button.
Step 5
Click Show Camera Target. The camera targets appear, as shown in
Step 6
Cisco TelePresence System Administration Guide
8-20
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.
Measuring the Distance between the Easel and Display
Center participant
Alignment
sitting position
marker
camera target
Figure 8-15.
Display
Same distance
Alignment
marker
Chapter 8 Troubleshooting the CTS 1300
Figure 8-16.
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