TechniSat DIGITRADIO 10 C Notice D'utilisation page 86

In the event of extended transportation in the cold and subsequent moving
to warm rooms, do not switch on immediately; wait for the temperature to
equalise.
Do not expose the device to dripping or splashing water. If water has
penetrated the device, switch it off and inform the Service department
Do not expose the device to heat sources which could heat it up more than
normal use will.
In a thunderstorm, disconnect the device from the mains. Overvoltage can
damage the device.
If there is an obvious defect in the device, the production of a smell or smoke,
significant malfunctions or damage to the housing, switch off the device and
contact the Service department.
The device must only be operated with the mains voltage specified on the
power supply unit.
Never try to operate the device using a different voltage.
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