Sennheiser EM 550 G2 manual Troubleshooting, Error checklist

EM_550_G2.book Seite 63 Donnerstag, 27. November 2003 1:33 13

Troubleshooting

Error checklist

Problem	Possible cause	Possible solution
No operation indication	No mains connection	Check the connections of the mains
		cable
No RF signal	Transmitter and receiver are not on	Set transmitter and receiver to the
	the same channel	same channel
	Transmitter is out of range	Check the squelch threshold setting
		(see “Adjusting the squelch
		threshold” on page 58) or
		reduce the distance between
		transmitter and receiving antenna
RF signal available,	Transmitter is muted (“MUTE”)	Deactivate the muting function
no audio signal,		(see operating manual of the
“MUTE” display appears on the		transmitter)
display panel
	Receiver’s squelch threshold is	See “Adjusting the squelch
	adjusted too high	threshold” on page 58
	Transmitter doesn’t transmit a	Switch the pilot tone transmission
	pilot tone	on the transmitter on or
		switch the pilot tone evaluation on
		the receiver off
	Transmitter sensitivity is adjusted	Adjust the transmitter sensitivity
	too low	correctly
Audio signal has a high level of	Receiver’s AF output level is	See “Adjusting the audio output
background noise	adjusted too low	level” on page 58
	Transmitter sensitivity is adjusted	Adjust the transmitter sensitivity
	too high	correctly
Audio signal is distorted	Receiver’s AF output level is	See “Adjusting the audio output
	adjusted too high	level” on page 58
No access to a certain channel	During scanning, an RF signal has	See “Scanning the channel banks for
	been detected on this channel and	free channels” on page 57
	the channel has been locked
	During scanning, a transmitter of	See “Multi-channel operation” on
	your system operating on this	page 58
	channel has not been switched off
During the soundcheck, only one	One of the antennas is not	Check the antenna connections
diversity display (I or II) appears on	connected correctly
the display panel

If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.

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