If a problem occurs ...

If a problem occurs ...

Problem

Possible cause

Possible solution

Diversity

Lock mode is activated

Deactivate the lock mode

receiver cannot

 

(see page 10).

be operated,

 

 

“Locked”

 

 

appears on the

 

 

display panel

 

 

 

 

 

No operation

Batteries are flat or

Replace the batteries or

indication

accupack is flat

recharge the accupack

 

 

(see page 7).

 

 

 

No RF signal

Transmitter and

Set the transmitter and

 

receiver are not on the

receiver to the same channel.

 

same channel

Synchronize the transmitter

 

 

 

 

with the receiver

 

 

(see page 14).

 

Transmission range is

Check the squelch threshold

 

exceeded

setting (see page 14).

 

 

Reduce the distance between

 

 

transmitter and receiver.

 

RF signal is

Activate the RF signal

 

deactivated

(see the instruction manual

 

(“RF Mute“)

of the transmitter).

 

 

 

RF signal avail-

Transmitter is muted

Cancel the muting

able, no audio

 

(see the instruction manual of

signal, “MUTE”

 

the transmitter).

appears on the

Receiver’s squelch

Reduce the squelch threshold

display panel

threshold is adjusted

setting (see page 14).

 

 

too high

 

 

Transmitter doesn’t

Deactivate the pilot tone

 

transmit a pilot tone

evaluation (see page 18).

 

 

 

Audio signal has

Transmitter sensitivity

Adjust the transmitter

a high level of

is adjusted too low

sensitivity correctly

background

 

(see the instruction manual

noise

 

of the transmitter).

 

 

 

Audio signal is

Transmitter sensitivity

Adjust the transmitter

distorted

is adjusted too high

sensitivity correctly

 

 

(see the instruction manual

 

 

of the transmitter).

 

Receiver’s audio

Reduce the audio output level

 

output level is

(“AF Out”, see page 16).

 

adjusted too high

 

 

 

 

No access to a

During scanning,

Set the transmitter operating

certain channel

an RF signal has

on this channel to a different

 

been detected on

channel and redo the

 

this channel and

frequency preset scan

 

the channel has

(see page 15).

 

been locked

 

 

During scanning, a

Switch the transmitter off and

 

transmitter of your

redo the frequency preset scan

 

system operating on

(see page 15).

 

this channel has not

 

 

been switched off

 

 

 

 

If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions, please contact your local Sennheiser partner for assistance.

To find a Sennheiser partner in your country, search at

www.sennheiser.com under “Service & Support”.

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