Sennheiser EK 300 IEM G2 Instructions for Use - Page 73

Squelch

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Squelch Pilot tone squelch When the transmitter is set to stereo operation, it adds a 19-kHz pilot tone to the audio signal. The receiver checks incoming audio signals to see if the pilot tone is present. In the absence of the 19-kHz signal, the receiver's audio output will remain muted, even if a strong RF signal is present. This prevents strong interfering signals from causing hissing noise in the receiver when the transmitter is switched off. Field strength-dependent squelch Depending on the strength of the received RF signal, the receiver's audio output is opened or muted. Via the "SQELCH" menu of the receiver, the squelch threshold can be adjusted in three steps (LO, MID, HI). 71

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71
Squelch
Pilot tone squelch
When the transmitter is set to stereo operation, it adds a 19-kHz pilot tone
to the audio signal. The receiver checks incoming audio signals to see if the
pilot tone is present. In the absence of the 19-kHz signal, the receiver’s audio
output will remain muted, even if a strong RF signal is present.
This prevents strong interfering signals from causing hissing noise in the
receiver when the transmitter is switched off.
Field strength-dependent squelch
Depending on the strength of the received RF signal, the receiver’s audio
output is opened or muted. Via the “
SQELCH
” menu of the receiver, the
squelch threshold can be adjusted in three steps (LO, MID, HI).