User manual

NOTICE!
Risk of re due to incorrect polarity
Incorrectly inserted batteries may destroy the device or the batteries. Ensure that proper polarity is observed when inserting bat‐
teries.
NOTICE!
Possible damage by leaking batteries
Leaking batteries can cause permanent damage to the device. Take batteries out of the device if it is not going to be used for a
longer period.
NOTICE!
Possible damage to lithium-ion batteries through incorrect storage
By deep discharge, lithium-ion batteries can be permanently damaged or lose some of their capacity. Before long breaks, charge the
batteries to around 50 % of their capacity and then switch o the device. Store the device at room temperature or cooler in an envi‐
ronment as dry as possible. If the batteries are stored for a longer period, recharge them to 50 % every three months. Fully charge
the batteries only shortly before use at room temperature.
Safety instructions
tour guide system
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