If a problem occurs

If a problem occurs

Problem

Possible cause

Possible solution

No operation

No mains connection

Check the connections of the mains cable

indication

 

 

 

 

 

No RF signal

Transmitter and receiver are not on the

Set transmitter and receiver to the same

 

same channel

channel (see “Selecting a frequency bank

 

 

and a channel” on page 30 and

 

 

“Synchronizing a transmitter with the

 

 

receiver frequency” on page 21).

 

The transmission range is exceeded

Reduce the distance between transmitter

 

 

and receiver.

 

 

Check the squelch threshold setting (see

 

 

page 32).

 

 

 

Frequency cannot be

The transmitter is not within the range

Place the transmitter at a distance of

transferred to the

of the infra-red interface

approx. 5 cm in front of the infra-red

transmitter

 

interface (see page 21).

 

The infra-red interface of the receiver is

Press the esc button 6 to stop the scan.

 

not yet ready for transferring the

 

 

frequency; the receiver is still in scan

 

 

mode

 

 

The transmitter is from a different

Use a transmitter that matches the

 

frequency range

frequency range of the receiver.

 

 

 

The audio signal has a

The transmitter sensitivity is adjusted

Adjust the transmitter sensitivity correctly.

high level of

too low

 

background noise

The receiver’s AF output level is

See “Adjusting the audio output level” on

 

 

adjusted too low

page 33.

 

 

 

The audio signal is

The transmitter sensitivity is adjusted

Adjust the transmitter sensitivity correctly.

distorted

too high

 

 

The receiver’s AF output level is

See “Adjusting the audio output level” on

 

adjusted too high

page 33.

 

 

 

The display does not

The receiver is in standby mode.

Press the jog dial 7(see “Setting a receiver

switch on

 

to standby mode” on page 40).

 

 

 

MUTE” is

One of the two receivers is not used or

Set the receiver to standby mode

permanently

the transmitter is switched off or out of

(see page 40).

displayed

range.

 

 

 

 

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”.

44