Dogtra QL - Manual (Page 13)

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2) Turning counter-clockwise will move
the springs up for a low and quiet
launch: the very top being the lowest.
Figure 9. Positioned for low launch
ADJUSTING SPRING STRENGTH SETTINGS
1. Charge the unit about 10 hours before using
the unit for the first time.
2. Do not charge the batteries near any
flammable substances.
3. Fully charge your units every 3 months if your
units are to be stored away for more than a
couple of months or longer.
Recharge the unit if :
The indicator light on the transmitter or
receiver is emitting a red color.
The indicator light on the transmitter or
receiver will not come on.
CHARGING THE BATTERIES
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CHARGING THE BATTERIES