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Using the voice clarity feature
This feature increases the microphone’s sensitivity so
that the person with when you are speaking can hear
you clearly even though you may be whispering.
Press <Options> and select Voice clarity on or
Voice clarity off.
Switching off the microphone
(Mute mode)
You can temporarily switch off your phone’s
microphone so that the person on the phone cannot
hear you.
Press <Options> and select Mute or Unmute.
Muting or sending key tones
You can turn the key tones off or on.
Press <Options> and select Mute keys or Send
keys.
Sending a sequence of DTMF tones
Dual tone multi-frequency (DTMF) tones are the tones
used in phones for tone dialling.
You can send DTMF tones as a group after entering the
entire number you need to send or retrieving a
number from Phonebook. This feature is helpful for
entering a password or an account number when you
call an automated system, like a banking service.
1. When connected with a teleservice system, press
<Options> and select Send DTMF.
2. Enter the number you need to send and press
<OK>.
Using Phonebook
You can access the Phonebook menu to locate or
store entries.
Press <Options> and select Phonebook.
To communicate with answering machines or
computerised telephone systems, Send keys must
be selected.
Summary of Contents for GH68-07341A
Page 2: ...SGH E648 User s Manual ...