Symptom
No sound
Low sound
Distorted sound
Background noise
(hum or buzz)
Problems and Cures
Possible cause and remedy
•
Re check all connections.
•
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.
•
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.
•
If noise remains when loop amplifier is turned off but
hearing aid is still on loop program this interference
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 th esystem or microphjione
lead or noise is being picked up by the microphone.
English 19