If a problem occurs ...

If a problem occurs ...

Problem

Possible cause

Possible solution

Radio microphone

Lock mode is

Deactivate the lock mode

cannot be operated,

activated

(see page 14).

“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 9).

No RF signal at the

Radio microphone

Synchronize the radio

receiver

and receiver are

microphone with the

 

not on the same

receiver (see page 27).

 

channel

Set the radio microphone

 

 

 

 

to the same channel as the

 

 

receiver.

 

Transmission range

Reduce the distance

 

is exceeded

between radio microphone

 

 

and receiving antennas.

 

 

Increase the transmission

 

 

power (see page 25).

 

RF signal is

Activate the RF signal

 

deactivated

(see page 15).

 

(“RF Mute“)

 

RF signal available,

Receiver’s squelch

Reduce the squelch

no audio signal,

threshold is

threshold setting on

“MUTE” appears on

adjusted too high

the receiver.

the display panel

Radio microphone

Activate the pilot

 

 

doesn’t transmit a

tone transmission

 

pilot tone

(see page 26).

Audio signal has a

Radiomicrophone’s

Adjust the input sensitivity

high level of back-

sensitivity is

(see page 20).

ground noise or is

adjusted too low/

 

distorted

too high

 

 

 

 

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”.

30