Listen Technologies LA-311 User Manual download pdf (Page 21)

8-Unit Cases

Verify units are charging.

Watch units for 10 seconds before leaving them to charge. Once placed in the

charging slots, the red LED on top of Listen’s portable receivers and transmitters will

glow continuously for 1-2 seconds, then extinguish. The units will then evaluate battery

status for 5-7 seconds. If battery select switch is positioned in the NiMH setting, the red

LED will begin to flash indicating that the units are charging.

NOTE: If batteries are completely discharged, the red LED will remain solid while the

batteries are reconditioned. Unit should begin flashing after 5-10 minutes. The

LED may flicker during the reconditioning process.

Verify full charge.

Each unit’s red LED will stop flashing once charging is complete. Charging time for full

recharge on completely discharged batteries is 13 hours.

NOTE: If a unit is removed from the case during the charge cycle, and then reinserted,

it will begin a new charge cycle.

LA-321/324 Drop-In Charging Instructions (cont.)

WARNING: The case lid MUST be open or removed while the units are charging.

The charging process generates heat and ventilation is required. It

is best to store your charging case at room temperature away from

heat sources and direct sunlight.

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Listen Technologies LA-311 User Manual Page 21