Distorted Sound - Sarabec Loop System LA240 User Manual

Symptom
No sound
Low sound

Distorted sound

Background noise
(hum or buzz)
10
Problems and Cures
Possible cause and remedy
•
Re check all connections
•
Check diagrams
•
Amplifier not switched on. Switch on at mains socket. Press mains
switch. Check blue light is on
•
Microphone or audio source not connected or selected
•
Check Digital audio setting on TV is PCM
•
Hearing aid not on the "T" or loop program
•
Microphone too far from sound
•
Loop cable wired incorrectly
•
Volume control set too low. Increase volume
•
TV or audio volume set too low. Increase volume
•
Volume control set too high. Loop level indicator showing
permanently. Decrease volume
•
TV/ Audio volume set too high
•
Move microphone away from loud speaker
•
Microphone Plug/lead damaged
•
Using multiple inputs at the same time may lead to distorted
output, only select the inputs you wish to listen to.
•
If noise remains when the loop amplifier is turned off but hearing
aid is still on loop program this interference is caused by other
equipment such as fluorescent lights or dimmer switches. With
the loop amplifier turned off and the hearing aid still on the loop
programs turn items off and on until the interference can be
identified.
•
If noise stops when the loop amplifier is turned off there may be a
fault in the system or microphone lead or noise is being picked up
by the microphone