Listen Technologies LA-317 - Manual (Page 11)

7
4-Unit Cases
Plug power supply into power source.
Any 110 to 120 VAC outlet can be used. The power must stay connected during
the full 13 hour charge cycle.
Plug power into case.
The green LED next to the power connector will illuminate
indicating the case is powered.
Check Battery Select Switch.
Make sure that you are using NiMH batteries and that the
battery select switch is in the correct position. Charging will only
occur when the Listen product’s battery selection switch is set
to the “NiMH” position. This switch is located inside the battery
compartment of the product.
green LED lit when power
is connected
Warning: Do not attempt to charge alkaline
batteries. This may damage the unit
and case, and will void the warranty!
Enlarged area of
interior of LR-500
LA-317/323 Charging Instructions
1
2
3