Sennheiser HDE 2020-D-II Instruction manual Tourguide 2020-D - Page 66

If a problem occurs... FR EN DE If a problem occurs... In the following table, the term "transmitter" refers to both "bodypack transmitter" and "radio microphone". IT COMPLIANCE NL ES Problem Possible cause Possible solution No operation indication Batteries are flat or on the transmitter accupack is flat Replace the batteries or recharge the accupack (see page 43) No RF signal, transmitter and receiver are not on the same channel Set transmitter and receiver to the same channel (see page 47) No radio waves on the receiver display No RF signal, transmitter is out of range Reduce the distance between receiver and transmitter Transmitter is in ener- Check the signal source gy saving mode (see page 15) RF signal available, no audio signal, the red LED LOW BATT/MUTE 7 lights up on the transmitter Transmitter is muted (MUTE) Deactivate the muting function (see page 51) Audio signal is distorted Transmitter sensitivi- Change the sensitivity of ty is adjusted too high the microphone input (see page 53) or line input (see page 53) Operating time of the Normal aging or transmitter is drastical- damage of BA 2015 ly reduced accupack Replace the BA 2015 accupack Operating time of the receivers is drastically reduced Normal aging or damage of rechargeable batteries Have the rechargeable batteries replaced by a Sennheiser Service Department Distance to the trans- Reduce the distance to the mitter is too great transmitter Interference is being Occasional drop outs in received from an the audio signal external source Change the system to a different channel Interference is being received from a second transmitter Change the transmitters to different channels 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 agent for assistance. Tourguide 2020-D | 65