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LT-700 Charging Batteries
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Connect LA-208 here and plug
it into an AC wall outlet.
IMPORTANT: DO NOT ATTEMPT TO CHARGE ANY TYPE OF BATTERY OTHER THAN NiMH (NICKEL
METAL HYDRIDE) with your Listen equipment. Alkaline batteries may explode when connected to a
charger. Other risks of charging non-NiMH batteries include destruction of property or fire.
IMPORTANT: In order to charge NiMH batteries, the BATTERY SELECT switch in your Listen product
must be set to the NiMH setting. Use a pen or small screwdriver to move the switch (located in the
battery compartment) to the proper position.
To charge the batteries using the LA-208 wall transformer, plug the
transformer into the jack marked “PWR/CHG” on the side of the unit.
The unit can be operated while the batteries are charging.
To charge the batteries using a drop-in charger, simply place the unit into a slot
in the charger and connect the charger to power. Make sure the unit is fully
seated in its slot.
There are several charging cases available from Listen. Check the Listen
website for more details.
SmartCharge™ uses a pulse charging, which greatly extends the life of Nickel
Metal Hydride (NiMH) batteries. The entire charging process takes about 13
hours. Listen recommends that you allow the charger to complete its full cycle
every time for maximum battery life.
During the charge cycle, the red LED on top of the Listen product will flash slowly. When charging is
completed, the LED will turn off. It is not necessary to unplug the charger; however, if you unplug the unit
from the charger and then plug it back in, it will begin the 13-hour charge cycle over again.
When not using the LT-700, it is recommended to leave the unit on the charger. The charger provides a
maintenance charge that keeps the battery at 100%. If the unit is not on the charger, the battery will lose
up to 20% of its charge per month.
NOTE: Listen uses 2300mAh (milli-Amp-hour) constant current NiMH (Nickel Metal Hydride) batteries. These
may be purchased from your Listen dealer (ask for part number LA-362).
One of several charging
cases available from Listen.
See www.ListenTech.com
for more options.
LA-311 - 16-unit Drop In Charging Case shown
The LT-700 and all Listen receivers are unique because they have SmartCharge™ chargers built in.
When any of these units are connected to an LA-208 wall transformer or dropped into a Listen charging
case, NiMH batteries will be charged.