Silvercrest SWE 100 B1 - Manual (Page 92)

Multi-Band Tuner SWE 100 B1
90 - English
 no direct sunlight or bright artificial light reaches the device;
 contact with sprayed and dripping water and abrasive liquids must be
avoided and the device should never be operated near water. It must
especially never be immersed (do not place any recipients containing
liquids such as beverages, vases, etc. onto or next to the device);
 the device is never placed in the immediate vicinity of magnetic fields
(e.g. loudspeakers);
 no fire sources (e.g. burning candles) are placed on or near the
device;
 no foreign bodies are introduced into the device;
 the device is not subject to any great temperature changes as this may
cause moisture through condensation and short-circuit;
 the device is not subject to excessive shocks and vibrations;
Batteries
Insert the batteries with the correct polarity. Refer to the polarity markings
beside the battery compartment. Do not try to recharge the batteries and
do not throw batteries into fire. Do not mix batteries (old and new or
carbon and alkaline, etc.). Remove batteries when the device is not to be
used for a long time. Non-intended use may cause explosion and danger
to life.