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User’s Guide for Polycom HDX Systems and the Polycom Touch Control
Polycom, Inc. 9
Participating in an Encrypted Call
If encryption is enabled on the system, a locked padlock icon appears on the
monitor when a call is encrypted. If a call is unencrypted, an unlocked padlock
appears on the monitor.
• If you are in a point-to-point call or a multipoint call hosted by another
system, the padlock icon displays the state of your individual connection.
• If you are hosting a multipoint call, the padlock icon displays the
combined state of all connections: encrypted if all connections in the call
are encrypted, unencrypted if one or more connections in the call are not
encrypted.
In one call, some connections might be encrypted while others are not. The
padlock icon might not accurately indicate whether the call is encrypted if the
call is cascaded or includes an audio-only endpoint. If encryption is required
on your system, the far end must support encryption or the call will not be
completed. To avoid security risks, Polycom recommends that all participants
communicate the state of their padlock icons verbally at the beginning of a call.
Controlling What You See
Selecting and Adjusting a Camera or Other Video Source
You can use the touch control to select and adjust the main camera or other
near-site or far-site video sources, such as document cameras, computers,
VCRs, or DVD players. You might be able to adjust other auxilary cameras or
far-site cameras that support pan, tilt, and zoom movement.
To select a near-site or far-site camera, or other video source:
1 From the call screen touch Camera, or from the Home screen touch
Cameras.
2 If you are in a call, touch Near or Far to select either near-site or far-site
control.
3 Touch Select Camera, and then touch the camera or other video source
you want to use.
The icon for the video source moves up slightly on the screen, and the
video source is shown to the call participants.
You can adjust the far-site camera only if it is configured at the far site to allow you
to control it.