Troubleshooting; Error Checklist - Sennheiser EMP 2015 Instruction Manual

10 Troubleshooting

Error checklist

Problem
You hear whistling noise
No operation indication
No RF signal and
no audio signal
RF signal available but
no audio signal
Speaker's voice too soft
Speaker's voice too loud
Speaker's voice distorted
Volume of sound reproducing
device adjusted too high
Possible cause
Microphone volume is adjusted
too high
Battery is flat (transmitter)
No mains connection (EMP 2015)
Transmitter and/or receiver section
are turned off
Transmission frequency is not the
same as the receiving frequency
Transmitting antenna is not connected
Transmitter is muted ("MUTE")
Receiver section's squelch threshold
is adjusted too high
Microphone is not connected
Microphone volume is adjusted
too low
Microphone is covered or
positioned too far from the mouth
Microphone volume is adjusted
too high
Transmitter sensitivity is adjusted
too high
Receiver section's AF output level is
adjusted too high
Volume at the line input is adjusted
too high
What to do
Reduce the volume with the
microphone volume control
Replace the battery
Check to see if the mains plug is
connected and if the amplifier is
turned on
Turn the transmitter and/or
receiver section on
Set the transmitter and the
receiver section to the same
frequency
(u "Special adjustments")
Connect the antenna
Deactivate the muting function
Adjust the squelch treshold to a
lower value (u "Adjusting the
squelch threshold")
Connect the microphone
Increase the microphone
sensitivity on the transmitter
or the microphone volume on
the EMP 2015
Position the microphone at
the corner of the mouth
Reduce the volume with the
microphone volume control
Adjust the sensitivity to a lower
value (u "Adjusting the
sensitivity")
Reduce the volume with the
microphone volume control
Reduce the volume of the
audio device with the
corresponding volume control
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