Sennheiser 140 manual Turning the transmitter on and off Fig, Adjusting the volume VOLUME, Fig

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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.

Turning the headphones on and off (ON/OFF, Fig. 5)

Move the “ON/OFF” switch on the headphones to the position “ON”. The headphones then start the transmitter search-tuning.

Adjusting the volume (VOLUME, Fig. 6)

Use the “VOLUME” control to adjust the volume on the headphones.

Adjusting the balance (BALANCE, Fig. 6)

Use the “BALANCE” control to adjust the volume of the right and left channels. There is a click-stop in the center position.

Auto-tuning – automatic transmitter search-tuning with memory function (TUNE, Abb. 7)

Note: The transmitter must be activated (green LED “ON/OFF” lit) and the headphones must be turned on.

By pressing the TUNE button or after turn-on, the headphones start scanning the whole frequency range for a transmitter signal. If a transmitter signal is found, the transmitter search-tuning stops and the audio transmission starts.

If, for some reason, the signal found is not the correct one (e.g. from another nearby system), press the TUNE button again and the transmitter search-tuning is continued. When turning on the head- phones, they automatically start the transmitter search-tuning on the last selected channel.

If no transmitter signal is received for an extended period of time (e.g. the range is exceeded or the transmitter is deactivated), six short beeps are produced. After approx. 10 minutes, the

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