Introducing the touchscreen controller
Button Description
Audio mute
Toggle the microphone on and off. The button lights when the
microphone is off. When you are in a call and your audio mute is on,
nobody can hear what you are saying (your audio is disabled)
Video mute
Toggle the camera on and off. The button is an LED that lights when the
camera is off. When you are in a video call and the video mute is on,
nobody in the call can see you (your video is disabled)
Home
Press to display the home screen of the touchscreen controller from any
screen in the interface. Double-press to access the touchscreen
controller’s settings
Audio volume
down
Press during a call to decrease audio volume or, if you are not in a call,
press to decrease the loudness of the ringer
Audio volume
up
Press during a call to increase audio volume or, if you are not in a call,
press to increase the loudness of the ringer
Answer/Make
call
Press to answer an incoming call. At other times, press to access the dial
screen and the directory
Hang up
Press to end the current call
Out-of-hours power saving for touchscreen
controllers
The backlight on a touchscreen controller dims between the hours of 7pm and 7am in the
endpoint's local timezone. When a touchscreen controller is dimmed, it shows a screen
saver displaying the time. Touching the dimmed screen causes the backlight to light
again. A touchscreen does not dim for one hour after the last time it was touched.
Power saving is automatically enabled for all touchscreen controllers. There is no
configuration.
Audio connections
For more information about audio, refer to:
n Connecting a laptop (p16)
n Using the Conference Phone 2220 (p36)
Group Telepresence, 27 September 2017 Page 5 of 38
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