Getting started

Key

Uppercase

Lowercase

 

 

 

0

(space) . , ? ! 0 : ¿ ¡ “ ‘ ; _ ~

(space) . , ? ! 0 : ¿ ¡ “ ‘ ; _ ~

 

 

 

*

* / + - = ( ) < > { } [ ] \

* / + - = ( ) < > { } [ ] \

 

 

 

Locking or unlocking the dialpad

Use the dialpad lock feature to prevent accidental operation of the handset. When you receive an incoming call, the dialpad temporarily unlocks so you can answer the call. The dialpad lock reactivates when you terminate the call.

To lock the dialpad, perform the following step:

Attention: You can dial 911 and 112 when the dialpad lock is active. The dialpad lock does not affect the SOS key.

Lock

1.Press the OK key to toggle between the Calls soft key and the Lock soft key.

2.Press the Lock soft key.

To unlock the dialpad, perform the following step:

Attention: The Unlock soft key is available only for 3 seconds after you press the OK key.

Unlock

1.Press the OK key, and then press the Unlock soft key.

To configure automatic Dialpad lock, see “Using the Automatic dialpad lock feature” (page 144).

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Nortel Networks 4027 manual Locking or unlocking the dialpad