
34
User Manual M70 / M80 / M90
Getting to know
Mute key
The
mute key is the lower key on the left side of the handset.
Press the key to mute the microphone
during a call, as indicated by the symbol on the screen. Press the key again to unmute the
microphone.
TE
mu
+
_
TE
mu
Emergency alarm button
The emergency alarm settings are configured on the base station where the handset is registered.
Please, ask your administrator for more information on which type of emergency alarm will be
triggered when you press the alarm button and whether it is possible to terminate the alarm from the
handset.
Press the red button at the top of the handset for at least 3 seconds to set off the emergency alarm.