Using the telephone

3.5Handsfree mode

Handsfree lets you talk to your caller without holding the handset. It also enables other people in the room to listen to both sides of your conversation.

1 To switch any call to handsfree, press the handsfree key during the call.

3.6Adjust earpiece/handsfree volume

1 Press up or down to select volume 1-5 during a normal or handsfree call.

3.7Secrecy function (Mute function)

To turn off the microphone so the person on the other side of the line will not hear you.

1 During a conversation, press the soft menu key to deactivate the microphone.

“Mute On” appears on the display.

2 Select “Off” to activate the microphone again.

3.8Locating a handset (Paging function)

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g h i j k l m n o

1Press the paging key on the base.

All handsets registered with the base will ring for 30 seconds.

2Press any key on the handset to stop the paging.

3.9Keypad Lock

To lock the keypad to prevent accidental dialling while carrying the handset around. In standby:

1 Press and hold the keypad locked key (key 7 - Picture 2C) until “Locked” and the keypad locked icon appears on the display.

2 To unlock, select “Unlock”, followed by the keypad locked key.

3.10Using the alphanumerical keypad

With your telephone, you can also enter alphanumeric characters. This is useful for entering a name into the phonebook, giving a name to the handset, ...

To select a letter, press the corresponding key as many times as necessary.

For example, to select an ‘A’, press ‘2’ once. To select a ‘B’, press ‘2’ twice and so on.

To select ‘A’ and then ‘B’ consecutively, press ‘2’ once, wait until the cursor moves on to the next character, then press ‘2’ twice.

During entering text, the available character under each key appears below on the display.

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Topcom 5750 manual Handsfree mode, Adjust earpiece/handsfree volume, Secrecy function Mute function, Keypad Lock