Clean the housing with a soft cloth moistened with water. Do not use spirits,
thinners, etc.; they could damage the surface of the device.
Only clean the display with a soft cotton cloth. If necessary, use a cotton cloth
with small amounts of non-alkaline, diluted water- or alcohol-based soapy
water.
Rub the cotton cloth gently over the surface.
13 Eliminate errors
If the device does not work as intended, check it using the following table.
Symptom
Device cannot be switched on.
58
Possible cause/remedy
The device is not supplied with power. Connect
the power supply to the device correctly. Charge
the battery.