Cygnion CG 2400 - Manual (Page 196)

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To turn off long tones during a call:
1. Press to access the handset menu.
2. Select DialMode >DTMF-Short and press .
Additional Handset Features
Muting the Handset
Microphone
During a call, you may want to speak with a person
within range of the handset without the caller
hearing the conversation.
To mute the handset microphone:
Press and hold . Short beeps indicate that the
microphone is turned off. The microphone
remains so until
is released.
OR
Press quickly. Short beeps indicate that the
microphone is turned off. To switch the
microphone on again, press
once more.
Using the Optional Headset
NOTE: A Cygnion
headset provides
optimum results with
your handset because it
has a noise-cancelling
microphone.
An optional headset is available for your handset.
Cygnion recommends that you use a Cygnion
headset for maximum results. A headset can be
purchased from the dealer where you purchased your
CG 2400 system.
When you first plug the headset in, a message will
appear on the display: AudioDevice Connected.
This message disappears after a couple of seconds.
To discontinue headset use, unplug the headset from
the handset.