Conference System Incorporated EAST 1.800.614.7574 WEST 1.800.255.2111 www.conferencesystems.com
All specifications are subject to change without notice.
9
PT-500 Portable Transmitter, Charging
Charging Batteries
1. The PT-500 is unique because it has an
automatic battery charger built-in. That
means that when the unit is connected to
a wall transformer or placed in a battery
recharging case, NiMH batteries will be
charged within the PT-500. Once batteries
are charged the internal battery charger will
automatically turn off. This prevents
overcharging of batteries, automates the
process of charging, and makes it so you
don’t have to remember to unplug the
charger.
2. Do not attempt to charge alkaline or any
other type of non-NiMH batteries. Only charge
Nickel Metal Hydride (NiMH) batteries within
the PT-500. We recommend that you use NiMH
batteries supplied by CSI.
3.
IMPORTANT:
To charge NiMH batteries, the
BATTERY SELECT switch must be
selected to NiMH. Use a
pen or small screwdriver
to move the switch
(located in the battery
compartment directly
below the BATTERY SELECT
label) to the proper
position.
4.
Install NiMH rechargeable batteries in the
battery conpartment, ensuring that proper
polarity has been observed.
NOTE
: It is recommended that you only use a CSI
supplied charging transformer. Or, set the
PT-500 with NiMH batteries within the unit in a
CSI Carrying / Charging Case.
Charging Using a Drop-In Charger
To charge the batteries using a drop-in charger,
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. Units can be on or off
while charging.
SmartCharge™ uses a pulse charging, which
greatly extends the life of Nickel Metal Hydride
(NiMH) batteries. The entire charging process
takes about 13 hours. CSI 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 CSI 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 PT-500, 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:
Contact CSI (see page 4) for charging and
carrying case options.
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, destruction of property and/or fire.
Top of Unit and
Battery Compartment
16-unit Drop In Charging Case shown
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