Amplicomms BigTel 480 User Manual page 12

Setting the earpiece/loudspeaker volume
During a call you can adjust the volume in 5 levels using the volume
keys on the side of the handset (if telephoning "normally" -> earpiece
volume, with hands-free -> loudspeaker volume). These seperate
settings will remain at the last selected level when you end the call.
On the handset press the keys + and -, on the desktop telephone
press and .
In addition you can increase the earpiece volume during a call by
pressing the amplification key; please refer to the note on page 1.
Equalizer (changing of the frequency spectrum)
☞
You can change the sound of the earpiece in three stages (equali-
zer). The display shows the respective characteristics. The setting will
be retained until it is changed again.
On the desktop telephone
Press the shown key in standby mode or during a
call.
/ Select a setting.
EQU 3 = Reduced bass and enhanced treble.
EQU 2 = Flat – no increase or decrease in bass or
treble frequencies.
EQU 1 = Increased bass and reduced treble.
After a few seconds, the display goes back to origi-
nal state.
Helpline UK 0844 800 6503 (See page 26 for costs and hours of operation)
On the handset
Press the shown key during a call.
/ Select a setting.
Equalizer 1 = Reduced bass and enhanced treble.
Equalizer 2 = Flat – no increase or decrease in
bass or treble frequencies.
Equalizer 3 = Increased bass and reduced treble.
After a few seconds, the display goes back to origi-
nal state.
O
THER FEATURES
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