by Serene Innovations

Recommended for:
• Digital and analog land-line phones
• Mild to Moderate hearing loss

• Easy-to-use volume wheel provides up to 30 dB of amplification
• BOOST button will add an additional 15 dB for a total amplification of 45 dB
• SupraPlus single earphone headset plugs into the Headset Jack on the UA-50
• A/C power adapter included
• Optional 9 volt battery operation (battery not included)
• 3" x 4.5" x 1.5" with 5 foot power cord
• Two year warranty

Set-Up Tips:

• If the phone has a built-in volume control, make sure it is always turned down or off when using the UA-50.

Troubleshooting Tips:

• If the phone makes a squealing (audio feedback) noise when the UA-50 is attached, adjust the Compatibility Switch. If the feedback continues, this is a sign that the amplifier is not compatible with the phone system.
• If the outgoing voice seems to be distorted or muted when the headset is attached, adjust the MIC POLARITY control on the bottom of the UA-50.
• If the outgoing voice continues to be muted or distorted, this is a sign that the amplifier is not compatible with the phone system.