freemate DA-275, Owner'S Manual

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[16]
5. TROUBLESHOOTING
The following information covers common problems and suggests
solutions.
If the amplifier and headset are not operating properly, follow the
suggestions in this section
CALLERS CAN’T HEAR ME AND I CAN’T HEAR MY CALLERS
1. Check the installation. Check all cords are properly connected.
2. Check the Handset / Headset button. Push the button down for
handset use, and push-up for headset operation.
CALLER’S VOICE IS LOW OR DISTORTED.
1. Adjust the Listening Volume Controller on the amplifier.(feature no.2)
2. If there is a dip switch on the side of your amplifier, set to the
correct position as per the instruction manual.(feature no.12)
3. Replace your batteries. For best results, use Duracell alkaline
batteries.
CALLERS CAN’T HEAR ME, BUT I CAN HEAR THEM.
1. Be sure the microphone is properly positioned, about one inch
from the corner of your mouth.
2. Adjust the Transmission volume controller (Feature no.13)