Contacta HLD7 User Manual - Page 15

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Contacta HLD7 User Manual
Symptom
No signal on the line input.
The low signal light is on.
The Drive level indicate
current is flowing but I hear
nothing in the loop.
The sound is very distorted.
HLD = Hearing Loop Driver.
If no action is successful please seek assistance from
Possible Fault
1) No input signal connected.
2) HLD in slave mode.
3) Equipment failure.
1) The HLD is having to use very
high gain to process the input
signal.
1) Shorted feeder cable
(unlikely).
2) Loop listener not working or
being used away from loop.
1) Input level has been turned
up too high for signal level at
input jack.
2) Input signal is distorted.
your distributor or a Contacta installer.
Action
1) Check "active" light: if unlit
check source, if lit, adjust
level.
2) HLD must be in
PERIMETER or PRIMARY.
3) Seek assistance.
1) Increase the input signal
level at source, reduce the
HLD input level setting.
1) Check feeder cable,
although the HLD will usually
refuse to tune to shorted
feeder.
2) Check listener and
location.
1) Reduce input level setting.
2) Check signal source.
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