Sarabec Loop System LA240 - Problems and Cures; Troubleshooting Common Issues

10
Problems and Cures
Symptom Possible cause and remedy
No sound • Re check all connections
• Check diagrams
• Amplier 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
Low sound • 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
Distorted sound • 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.
Background noise
(hum or buzz)
• If noise remains when the loop amplier is turned o but hearing
aid is still on loop program this interference is caused by other
equipment such as uorescent lights or dimmer switches. With
the loop amplier turned o and the hearing aid still on the loop
programs turn items o and on until the interference can be
identied.
• If noise stops when the loop amplier is turned o there may be a
fault in the system or microphone lead or noise is being picked up
by the microphone