Handset Amplifier - Geemarc Ampli600 User Manual

VOLUME AND TONE
Handset Amplifier
In both cases, you can also boost the reception volume by an extra 12 dB
by holding down the handset amplifier button located on the handset.
Note: The button must be released while talking or it will act as a mute
button
Caution: Exposure to high amplification levels to people without hear-
ing loss may cause damage to hearing.
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