Sennheiser ew 300 IEM G3, SR 300, SR 300 IEM, SR 300 IEM G3 Cleaning the transmitter, If a problem occurs

Cleaning the transmitter

	Cleaning the transmitter
CAUTION!	Liquids can damage the electronics of the transmitter!
	Liquids entering the housing of the device can cause a short-circuit and damage the
	electronics.
	￿ Keep all liquids away from the transmitter.
	￿ Before cleaning, disconnect the device from the mains.
	￿ Use a slightly damp cloth to clean the device from time to time. Do not use any solvents
	or cleansing agents.

If a problem occurs ...

Problem	Possible cause	Possible solution
Transmitter cannot be	Lock mode is activated	Deactivate the lock mode
operated, “Locked”		(see page 18 and page 20).
appears on the display
panel
No operation indication	No mains connection	Check the connections of the mains unit.
No RF signal at the	Transmitter and receiver are not on the	Set the transmitter and receiver to the same
receiver	same channel	channel. To do so, use the synchronization
		function (see page 14).
	If “RF Mute” additionally appears on the	Activate the RF signal (see page 18).
	transmitter display:
	RF signal is deactivated
Very weak RF signal at	Transmission range is exceeded	Check the squelch threshold setting on the
the receiver		receiver.
		Reduce the distance between receiver and
		transmitter.
		Increase the transmission power (see page 20).
	Receiver’s squelch threshold is adjusted	Reduce the squelch threshold
	too high	(see the instruction manual of the receiver).
		Reposition the antennas.
RF signal available,	No input signal at the transmitter	Check the audio level on the transmitter display
no audio signal at the		(see page 7).
receiver	Very low input signal	Check the audio level on the transmitter
		display (see page 7), increase the level of
		the input signal or adjust the input sensitivity
		(see page 20).
Audio signal has a high	Transmitter sensitivity is adjusted too	Adjust the transmitter sensitivity correctly.
level of background noise	low

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