Comtek PR-216 Instrukcja Operatora Pobierz pdf (Strona 20)

Section 6 (Continued)

Page 18

Noisy or Distorted Audio

If...

You hear excessive background noise or distortion...

Then...

• Turn the AT-216 F.M. system “off ” and leave the hearing aids on in the “T”

position to determine if the noise or distortion is still present in the hearing

aids. If the noise or distortion is still present, the hearing aids will need to

be checked by your hearing aid specialist. If the noise or distortion is not

present in the hearing aids, check the following items:

1. Check batteries in the receiver and transmitter. (The cut-off voltage for

normal operation is 6 volts.)

2. Check that the M-216 transmitter and PR-216 receiver are set to the same

channel and that the compand “Auto / Off” switch is set to the “Auto”

position.

3. Check the microphone gain setting on the M-216 transmitter for

normal operation with the “Voice” modulation indicator

(see page 6 section 2.1 B(3)).

4. Monitor the system using the SM-N earphone assembly plugged

directly into the PR-216 receiver.

5. Operating at distances greater than 200 feet may cause excessive noise.

6. Coiling or bunching the microphone cord of the M-216 transmitter will

reduce the range of the system and could cause excessive noise.

7. Microphone is defective. It is possible to damage the microphone with

excessive heat or moisture.

• If the above steps do not correct the problems, the AT-216 system must

be returned to COMTEK for service.

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Comtek PR-216 Instrukcja Operatora Strona 20