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1. While on a call, press the
BOOST button to engage the
additional amplication (up to
50dB); the TALK button turns
red. BOOST
!
A
2. Adjust the VOLUME rotary
control to achieve the desired
sound level (up to 50dB of
amplication).
BOOST
!
3. Adjusting the TONE switch
allows you to customize your
hearing experience. Since
we all have different hearing
preferences, we suggest
exploring each setting to nd
the one most comfortable for
you. The three available settings
are:
TONE
1 2 3
1 - Flat frequency response: best for hearing aid users;
2 - High frequency emphasis: best used to hear high
frequency sounds;
3 - MBC (Multi-Band Compression): makes words clearer
and easier to understand.
Amplify Incoming Sounds (Handset)

BOOST Function (Amplification)

XLC2