Muting The Microphone; Paging The Handset; Switching The Key Lock On/Off; Redial Function - Grundig GDT 400 User Manual

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BASIC OPERATION
3.
Press and hold the »
conference.
4.
By pressing »
other handsets continues with external call.

Muting the Microphone

Press and holding the »
or off during a call. The handset will display "MUTED"

Paging the Handset

If a handset has been misplaced, it is possible to call all the handsets.
Short press »
To stop the page call: Short press any key on the handset or press »
key again on the base.

Switching the Key Lock On/Off

Press and hold »
» « icon turns on or off.
Note:
Incoming calls can still be received when key locked.

Redial Function

The last 10 numbers you dialed out will be separately stored in handset
redial memory.

Review Redial Record

1.
When the handset is in idle mode, press »
2.
Press »+« or »–« key to select "REDIAL" menu, then press »
3.
Press »+« or »–« key to review all redial records.
Or
1.
Press »+« key to display the information for the redial records.
2.
Press »+« or »–« key to review all redial records.
Note:
If the redial record is empty, "EMPTY" will be shown.

Save Redial Number

1. Select a redial record.
2.
Press » « key to enter menu, press »+«
PHONEBOOK".
« key for 2s on the handset to initiate the three-way
« key, any of the handset quit from the conference and the
« key for 1.5s can switch the microphone on
« key on the base to station.
« key to activate or deactivate the key lock. The
«
or »–« key to select "SAVE TO
«
« key