Listen LR 400, Design Manual & Manual

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LT-800
LR-400/500
LR-400/500 Setup Instructions
Remove the product
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please contact the dealer from which the product was purchased or Listen Technologies Corpora
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Open the front access door
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the unit. To unlock the door, rotate the lock ¼ turn counterclockwise. Grip the two tabs with
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unit at this time.
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Use a pen or small screwdriver to select the battery type.
Select Battery Type
WARNING: Do not place the BATTERY switch in the NiMH position if you are not using
Nickel Metal Hydride Batteries. The NiMH position will attempt to charge
any batteries in the unit, even if they are not the proper type. Charging
non-Nickel Metal Hydride (NiMH) batteries will result in physical harm,
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CAUTION: If you are using any battery type other than rechargeable Nickel Metal
Hydride (NiMH) batteries, make sure the BATTERY selection switch is in the
alkaline position.
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