LR-300 Setup Instructions
1Remove the product
Remove outer packaging and plastic cover. Inspect for physical damage. If damage is apparent, please contact Listen Technologies Corporation technical support for assistance.
2 Open the front access door
If locked, use a pocketknife or small screwdriver to unlock the door locks on both sides of the unit. To unlock the door, rotate the lock 1/4 turn counterclockwise.
Grip the two tabs with your thumb and index finger and pull the door downward. Do NOT place batteries in the unit yet.
3 Select Battery Type
You have two choices: NiMH and Alkaline. The unit is shipped with the switch | Unlocked | Locked |
in the Alkaline position. Use a pen or small screwdriver to select the battery |
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type. |
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CAUTION: If you are using any battery type other than rechargeable Nickel |
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Metal Hydride (NiMH) batteries, make sure the BATTERY selection switch is in |
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the alkaline position. |
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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
4 | Set SQ switch | |
The SQ switch is inside the battery compartment next to the Battery Select switch. The unit is | ||
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| shipped with SQ in the ON position. To turn it off, use a small screwdriver or pen to slide the switch to | |
| the OFF position (to the right). See page 45 for more information on SQ. | |
| SQ™ Select Switch | |
| Battery Select Switch |
5 Place Batteries in Unit
Place two AA batteries in the compartment, making note of the battery polarity shown in the battery compartment, and again verifying that the BATTERY SELECT switch is in the correct position for the batteries you are using. (ALK should be selected for all battery types other than NiMH).
NOTE: Listen provides industrial strength AA alkaline batteries (part number
39