TechniSat TECHNIRADIO 6 IR Instruction Manual page 103

6.3.3 Using headphones
CAUTION!
Damage to hearing!
Do not listen to the radio at a high volume with headphones. Doing so can
cause permanent hearing damage. Turn down the radio volume to the lowest
volume before using headphones.
Only use headphones with a 3.5 mm stereo jack plug.
> Insert the headphone jack into the headphone socket (13) on the back of the
device. Sound will now only be heard via the headphones, and the speaker is
switched to mute.
> If you would like to use the speakers again, unplug the headphones from the
headphone jack on the radio.
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