Installing the Telephone System

Press Keys:

Turning Handset On/Off

a To turn handset on/off, hold down the End key – you will hear a confirmation beep*.

The handset is turned on as soon as you in- sert the batteries and place the handset in the base station.

Turning Keypad Lock On/Off

You can disable the handset keys when carrying the unit in your pocket or bag. This protects the keypad against inadvertent activation. If there is an incom- ing call, the key lock is automatically turned off and turned on after the call has ended.

cAnswering a call: Press the Talk key.

ªTo turn keypad lock on/off, hold down the pound key

– you will hear the confirmation beep*.

Emergency Calls cannot be made when the keypad is locked.

*Confirmation beep = rising tone sequence, Error beep = falling tone sequence.

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Siemens C88 user manual Turning Keypad Lock On/Off, Turning Handset On/Off