Medion LIFE P69123 Mode D'emploi page 115

Using the headphones
LED on the headphones changes to red. The maxi-
mum operating time with the discharged batteries
is now only 5 minutes.
During the first 4 minutes, a warning tone can be
heard every minute.
In the last minute, there is 1 double tone and then
the headphones switch off automatically.
You will need to recharge the headphones before
you can use them again.
7.5.1. Selecting an input signal
You have the option to adjust the signal strength
to the input source.
 If you are using the transmitter with a TV/DVD/
VCR/Hi-Fi device (or similar), select "-8dB".
 If you are using the transmitter with a CD/MP3
player (or similar), select "0dB".
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