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Sound Select
This telephone uses the latest acoustic receiver design,
providing you with four different sound quality settings.
During a call, you can adjust the quality of the sound.
Pressing repeatedly will cycle you through
four different responses.
NOTE: The mid-boost setting is hearing-aid
compatible.
BASS – Low frequency sounds enhanced.
MID – Mid-range sounds enhanced.
TREBLE – High frequency sounds enhanced.
NATURAL – No frequency enhancement.
NOTE: This feature is only available at the handset
earpiece. It will not affect the performance of the
speakerphone or optional headset.
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FEATURE SETUP – HANDSET
FEATURE SETUP – HANDSET
ATT3658B manual-updated 5/19/04 5:34 PM Page 11