TechniSat DIGITRADIO 307, Инструкция по эксплуатации

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10.5 Software version
Under Software version you can retrieve the currently installed software version.
> Open the MENU > [System settings] > [Software version] and press the
TUNING / SELECT knob .
> The current software version is displayed.
11 Cleaning
To prevent the risk of electric shock, you must not clean the device using a wet
cloth or under running water. Prior to cleaning, disconnect the mains plug and
switch off the device!
You must not use scouring pads, scouring powder, or solvents such as alcohol
or petrol.
Do not use any of the following substances: Salt water, insecticides, solvents
containing chlorine or acids (ammonium chloride).
Clean the housing using a soft, damp cloth. Do not use spirit, thinners, etc.;
you could damage the surface of the device.
Only clean the display with a soft, cotton cloth. If required, use a cotton cloth
with small amounts of non-alkaline, diluted, water-based or alcohol-based
soap solution.
Gently clean the surface using the cotton cloth.