Electro-Voice R300 manual Trouble Shooting Guide

04	Trouble Shooting Guide
	Problem	Possible Causes	Solutions
	No audio and no display on	Receiver is off	Make sure that the power supply is properly
	the receiver		connected and the on/off button is in the on position
		Transmitter is off	Turn on transmitter power switch
	No audio and no RF	Transmitter is on a different channel or is	Check band information on serial number label and
	signal indicator on the	a different band	match to receiver, reset channel (see section 2.1)
	receiver display
		No (or dead) battery in transmitter	Insert fresh batteries in transmitter
		Faulty battery contacts	Clean and or bend contacts to improve connection
			Check the TA4F connector on the bodypack or the
	No Audio with good RF	Microphone not connected	detachable microphone element connection on the
	signal indicator		handheld. If possible, try another microphone.
		Transmitter Mute On	Press and hold On/Off button to stop Mute.
	No (or low) Audio with good	Receiver audio output cable is damaged	Connect, repair or replace cable
		or disconnected
	RF signal and Audio indicators	Gain not sufficient on mixer/preamp/amp	Increase gain on mixer or un-mute the input
	on receiver display	input or it is muted
		Receiver output too low	Increase the audio output setting.
		Receiver output too high	Decrease the receiver output setting
	Distorted audio signal	Loud instrument or audio source	Change the bodypack gain switch to INS
		Battery level low in transmitter	Insert fresh batteries in transmitter
		Another R300 system in the installation	Make certain all units are on different channels. If
	Interference	is on the same channel or signals	more channels are needed call EV at 800-392-3497
		are mixing	for coordination help

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