Sennheiser EK 300 IEM G3, 300 IEM Series If a problem occurs

If a problem occurs ...

SR 300 IEM G3 transmitter

Problem	Possible cause	Possible solution
Transmitter cannot be	Lock mode is activated	Deactivate the lock mode (see page 18 and page 24).
operated, “Locked”
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	Synchronize the transmitter with the receiver
receiver	on the same channel	(see page 20).
	If “RF Mute” additionally appears	Activate the RF signal of the transmitter (see page 19).
	on the transmitter display:
	RF signal is deactivated
Very weak RF signal at	Transmission range is exceeded	Reduce the distance between receiver and transmitter.
the receiver		Reposition the antennas.
		Increase the transmission power (see page 24).
		Reduce the squelch threshold (see table on page 20).
RF signal available,	No input signal at the transmitter	Check the audio level on the transmitter display
no audio signal at the		(see page 6).
receiver	Very low input signal	Check the audio level on the transmitter display
		(see page 6), increase the level of the input signal
		or adjust the input sensitivity (see page 24).
Audio signal has a high	Transmitter sensitivity is adjusted	Adjust the transmitter sensitivity correctly (see page 24).
level of background	too low
noise
Audio signal is	If “AF PEAK” additionally appears	Adjust the transmitter sensitivity correctly (see page 24).
distorted	on the transmitter display:
	transmitter sensitivity is adjusted
	too high
	Receiver’s audio output level is	Reduce the receiver’s audio output level.
	adjusted too high