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Int. ring: use this option to set the ringtone for re-
ceiving internal calls (from the wired phone); you
can choose from 12 ringtones
Key tone: use this option to set sounds when
pressing button; you can choose ‘Tone’ (the
same tone for all buttons), ‘Melody’ (a different
tone for each button) or ‘Off’ (no key tone)
Low batt: use this option to have the phone emit
a warning tone when the batteries start running
out of power
Out-of-range: use this option to have the phone
emit a warning tone when you start to get out of
range from the base
[ Equalizer ]
Select this option to adjust the pitch of the sound:
Bass: to increase the lower tones
Neutral
: no extra tone amplification
Treble: the increase the higher tones
[ Boost ]
This option allows you to set the extra boost amplifica
-
tion as follows:
Off
: to disable the boost amplifier; you can set
the receiver volume from volume 1 to volume 5
