Sennheiser EK 2012 Instructions for Use - Page 19

Troubleshooting

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Troubleshooting Defect Does not function at all; operation indicator 5 does not light. Does not function at all; operation indicator 5 lights. Interruptions (drop-outs) Possible cause Batteries installed improperly or exhausted. 1. Transmitter not switched on. 2. Transmission frequency not identical with receiving frequency. 3. Squelch set too high (see the section describing "Setting the squelch"). 4. Transmitter at a adjacent frequency too close to the receiver (blocking effect). 1. Receiver installed to low. (Only for EK 2012 TV: type A5 headset antenna may be used to remedy the problem). 2. Squelch set too high (see the section describing "Setting the squelch"). 3. Transmitter defective. 18

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Troubleshooting
Defect
Possible
cause
Does
not
function
at
all;
operation
indicator
5
does
not
light.
Batteries
installed
improperly
or
exhausted.
Does
not
function
at
all;
operation
indicator
5
lights.
1.
Transmitter
not
switched
on.
2.
Transmission
frequency
not
identical
with
receiving
frequency.
3.
Squelch
set
too
high
(see
the
section
describing
"Setting
the
squelch").
4.
Transmitter
at
a
adjacent
frequency
too
close
to
the
receiver
(blocking
effect).
Interruptions
(drop
-outs)
1.
Receiver
installed
to
low.
(Only
for
EK
2012
TV:
type
A5
headset
antenna
may
be
used
to
remedy
the
problem).
2.
Squelch
set
too
high
(see
the
section
describing
"Setting
the
squelch").
3.
Transmitter
defective.
18