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Checking the Power Level: Place the RED button of the power switch in the (-) position to
turn the power on, press the battery indicator button to check whether the battery power is
sufficient.
Indicator
4 lights on
2-3 lights on
1 light RED, 3 lights are dim
18
Battery Status
Battery level is full
Battery level is sufficient, consider
charging
Battery level is low and must be charged
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