Sennheiser Sound Field System EMP 2015 Uživatelský manuál stáhnout pdf (Strana 65)

10 Troubleshooting

Error checklist

Problem Possible cause What to do

You hear whistling noise  Microphone volume is adjusted  Reduce the volume with the

too high microphone volume control

No operation indication  Battery is flat (transmitter)  Replace the battery

 No mains connection (EMP 2015)  Check to see if the mains plug is

connected and if the amplifier is

turned on

No RF signal and  Transmitter and/or receiver section  Turn the transmitter and/or

no audio signal are turned off receiver section on

 Transmission frequency is not the  Set the transmitter and the

same as the receiving frequency receiver section to the same

frequency

( “Special adjustments”)

 Transmitting antenna is not connected  Connect the antenna

RF signal available but  Transmitter is muted (“MUTE”)  Deactivate the muting function

no audio signal

 Receiver section’s squelch threshold  Adjust the squelch treshold to a

is adjusted too high lower value ( “Adjusting the

squelch threshold”)

 Microphone is not connected  Connect the microphone

Speaker’s voice too soft  Microphone volume is adjusted  Increase the microphone

too low sensitivity on the transmitter

or the microphone volume on

the EMP 2015

 Microphone is covered or  Position the microphone at

positioned too far from the mouth the corner of the mouth

Speaker’s voice too loud  Microphone volume is adjusted  Reduce the volume with the

too high microphone volume control

Speaker’s voice distorted  Transmitter sensitivity is adjusted  Adjust the sensitivity to a lower

too high value ( “Adjusting the

sensitivity”)

 Receiver section’s AF output level is  Reduce the volume with the

adjusted too high microphone volume control

Volume of sound reproducing  Volume at the line input is adjusted  Reduce the volume of the

device adjusted too high too high audio device with the

corresponding volume control

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Sennheiser Sound Field System EMP 2015 Uživatelský manuál Strana 65