If a problem occurs ...

If a problem occurs ...

Problem

Possible cause

Possible solution

Receiver cannot be oper-

Lock mode is activated

Deactivate the lock mode (see page 15).

ated, “Locked” appears

 

 

on the display panel

 

 

 

 

 

No operation indication

No mains connection

Check the connections of the mains cable.

 

 

 

No RF signal

Transmitter and receiver are not on the

Set the transmitter and receiver to the same

 

same channel

channel. To do so, use the synchronization

 

 

function (see page 15).

 

Transmission range is exceeded

Check the squelch threshold setting

 

 

(see page 18).

 

 

Reduce the distance between transmitter

 

 

and receiving antennas.

 

 

 

RF signal available,

If “RX Mute” additionally appears on the

Cancel the muting on the receiver

no audio signal,

display panel:

(see page 16).

MUTE” appears on the

receiver is muted

 

display panel

If “TX Mute” additionally appears on the

Cancel the muting on the transmitter (see

 

 

display panel:

the instruction manual of the transmitter).

 

transmitter is muted (“MUTE”) or

Activate the pilot tone transmission on the

 

transmitter doesn’t transmit a pilot tone

transmitter (see the instruction manual of

 

 

the transmitter).

 

 

Deactivate the pilot tone evaluation on the

 

 

receiver (see page 27).

 

Receiver’s squelch threshold is adjusted

Reduce the squelch threshold (see page 18).

 

too high

Reposition the antennas.

 

 

 

 

 

Audio signal has a high

Transmitter sensitivity is adjusted too low

Adjust the transmitter sensitivity correctly

level of background noise

 

(see the instruction manual of the trans-

 

 

mitter).

 

 

 

Audio signal is distorted

Transmitter sensitivity is adjusted too high

Adjust the transmitter sensitivity

 

 

correctly (see the instruction manual

 

 

of the transmitter).

 

Receiver’s audio output level is adjusted too

Reduce the audio output level

 

high

(see page 25).

 

 

 

No access to a certain

During scanning, an RF signal has been

Set the transmitter operating on this

channel

detected on this channel and the channel

channel to a different channel and redo

 

has been locked

the frequency preset scan (see page 18).

 

During scanning, a transmitter of your

Switch the transmitter off and redo the

 

system operating on this channel has not

frequency preset scan (see page 18).

 

been switched off

 

 

 

 

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