20 Most Recent Sennheiser HDR 140 Consumer Headphones Questions & Answers

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What does the 3 beeps represent when I turn the headsets on?

It is most likely just to let you know it has turned on.
9/15/2016 12:22:02 AM • Sennheiser HDR... • Answered on Sep 15, 2016
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No sound coming through my Sennheiser wireless headphones

Turning the transmitter on and off (Fig. 5)
Turn on the sound source. This automatically activates the
transmitter and the green LED “ON/OFF” lights up. If the sound
source is turned off, the transmitter is automatically deactivated
after approx. 3 minutes (the LED “ON/OFF” goes off).
Note: The automatic level control only functions if the volume of the
sound source is sufficient.
2/9/2013 11:36:49 PM • Sennheiser HDR... • Answered on Feb 09, 2013
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No audio

Be the first to answer 2/8/2013 5:17:20 AM • Sennheiser HDR... • Posted on Feb 08, 2013Be the first to answer
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