Troubleshooting Guide - Electro-Voice R300 User Manual

04
TROUBLESHOOTING GUIDE
Problem
No audio and no display on
the receiver
No audio and no RF
signal indicator on the
receiver display
No Audio with good RF
signal indicator
No (or low) Audio with
good RF signal and Audio
indicators on receiver display
Distorted audio signal
Interference
22
Possible Causes
Receiver is off
Transmitter is off
Transmitter is on a different channel or is
a different band
No (or dead) battery in transmitter
Faulty battery contacts
Microphone not connected
Transmitter Mute On
Receiver audio output cable is damaged
or disconnected
Gain not sufficient on mixer/preamp/amp
input or it is muted
Receiver output too low
Receiver output too high
Loud instrument or audio source
Battery level low in transmitter
Another R300 system in the installation
is on the same channel or signals
are mixing.
Solutions
Make sure that the power supply is properly
connected and the on/off button is in the on position.
Turn on transmitter power switch.
Check band information on serial number label and
match to receiver, reset channel (see section 2.1).
Insert fresh batteries in transmitter.
Clean and or bend contacts to improve connection.
Check the TA4F connector on the bodypack or the
detachable microphone element connection on the
handheld. If possible, try another microphone.
Press and hold On/Off button to stop Mute.
Connect, repair or replace audio output cable.
Increase gain on mixer or un-mute the input.
Increase the audio output setting.
Decrease the receiver output setting.
Change the bodypack gain switch to INS.
Insert fresh batteries in transmitter.
Make certain all units are on different channels. See
Frequently Asked Questions section for more helpful
information.