5
Ball dropper
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Unscrew the battery space cover using a cross screw driver. Insert a CR2 3V battery.
Please ensure the correct polarity marked on the printed circuit board.
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Tighten the screws on the battery space cover using adequate force.
Checking battery status
To check the battery status, see the indicator light on the front side.
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Battery fully charged: Green indicator light blinking slowly in on-state.
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Battery weak: Red indicator light blinking in on-state. Replace the battery according
to the instruction above.
Insertion and exchange of batteries
Battery polarity marking