15
16
17
Telephoning
34
Muting the microphone in the handset
The microphone in the handset can be activated and
deactivated during a telephone conversation.
Option
Open the menu
/
Silent
On
Deactivate the microphone
(muting function activated)
Off
Activate the microphone
Key lock
The key lock is intended to prevent functions being
triggered unintentionally.
3 sec.
Activate the key lock function
Calls can still be taken in the normal way even
when the key lock function is activated.
and then
immediately
Deactivate the key lock
function
Deactivating the ringing melody
The ringing melody can be deactivated.
3 sec.
Deactivate the ringing melody
3 sec.
Activate the ringing melody
Service−Hotline Germany: Tel. 0180 5 001388, cost via German landline at time of going to print:
14 ct/min., different costs possible via mobile telephone systems
Summary of Contents for M 4500
Page 1: ...Mobile Phone Operating Instructions M 4500 ...
Page 2: ...2 M 4500 ...
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