• Make sure that the sealing ring on the inside of the battery
compartment cover is correctly installed.
• Replace the battery compartment cover.
• Slide the battery compartment cover upwards.
Replace batteries or recharge the rechargeable
batteries as soon as all segments of the battery
status indicator have gone out.
10. Charging the batteries
Never attempt to recharge disposable batteries.
There is a risk of explosion!
Please fully charge the rechargeable batteries
before initial operation.
• Turn the cover that covers the charging port 180° to the
side.
• Connect the product via the included cable with a USB
power supply or a computer.
The USB power supply must be able to supply a current
of 500 mA.
• The segments of the battery status indicator flash during
the charging process.
The rechargeable batteries are charged as soon as
all segments of the battery status indicator light up
permanently.
• Disconnect the cable from the product and from the power
source as soon as the rechargeable batteries are charged.
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