If a problem occurs ...

If a problem occurs ...

Problem

Possible cause

Possible solution

Receiver cannot be

Lock mode is activated

Deactivate the lock mode

operated, “Locked”

 

(see page 23).

appears on the

 

 

display panel

 

 

 

 

 

No operation

No mains connection

Check the connections of the mains

indication

 

unit.

 

 

 

No RF signal

Transmitter and receiver are not

Set the transmitter and receiver

 

on the same channel

to the same channel. To do so,

 

 

use the synchronization function

 

 

(see page 22).

 

Transmission range is exceeded

Check the squelch threshold setting

 

 

(see page 38).

 

 

Reduce the distance between trans-

 

 

mitter and receiving antennas.

RF signal available,

If “RX Mute” additionally

Cancel the muting on the receiver

no audio signal,

appears on the display panel:

(see page 24).

“MUTE” appears on

receiver is muted

 

the display panel

If “TX Mute” additionally

Cancel the muting on the transmitter

 

 

appears on the display panel:

(see the instruction manual of the

 

transmitter is muted or doesn’t

transmitter).

 

transmit a pilot tone

Activate the pilot tone transmission

 

 

on the transmitter (see the instruc-

 

 

tion manual of the transmitter).

 

 

Deactivate the pilot tone evaluation

 

 

on the receiver (see page 40).

 

Receiver’s squelch threshold is

Reduce the squelch threshold

 

adjusted too high

(see page 33).

 

 

Reposition the antennas.

 

 

 

Audio signal has a

Transmitter sensitivity is

Adjust the transmitter sensitivity

high level of back-

adjusted too low

correctly (see the instruction manual

ground noise

 

of the transmitter).

 

 

 

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