ASCOM d81 Messenger Quick Reference Manual page 6

A short press on
the ring signal.
Turn the microphone on/off during a call
Press "More", select "Microphone on/off", press "Select". It is
also possible to turn the microphone on/off by a long press on
or .
Lock/Unlock the keypad manually
Press to lock/unlock and then soft key "Lock" or
Yes". The icon
Change the volume during a Call
Press to increase the volume, and
volume. Or, use
volume.
Charge the battery
Charging is done in a desktop charger or in a charging rack.
An orange LED on the handset indicates charging and when
the battery is fully charged, the LED is green and the icon
displayed.
While in a desktop charger, the handset is fully operational.
The handset does not vibrate in charger.
The battery can also be charged in a separate battery pack
charger.
Note: Charging below 5°C will harm the battery and shorten
the lifetime. It is NOT permitted to charge any battery in EX
classified areas.
Remove the battery
It is recommended to switch off the handset before removing
the battery.
6
or before answering a call, silences
indicates a locked keypad.
and on the Navigation key to adjust the
to decrease the
is