Cisco CTS 1000 - TelePresence System 1000 Video Conferencing, Руководство администратора

Страница: 182 / 406

7-12
Cisco TelePresence System Administrator Guide
OL-21845-01
Chapter 7 Troubleshooting the CTS 1100
Managing CTS 1100 Hardware Setup
Note 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.
d. Click Apply to apply your changes.
Step 9
Focus the camera by completing the following steps:
a. Loosen the focus ring thumbscrew on lens of the camera.
b.
Rotate the focus ring until the black plus sign on the target is clearly in focus.
Note
The camera lens has two adjustment rings, one for focus and one for zoom. The focus ring is on
the inside, as shown in
Figure 7-9 .
Figure 7-9 Location of Focus and Zoom Ring
Step 10
Center the red plus sign on the display inside the black plus sign on the target. Figure 7-10 shows the
screws that you use to adjust the camera.
Focus ring Zoom ring
206131