User's Manual

®
Vermeer
®
DigiTrak
®
L
T
™
Operator’s Manual 31
Battery Charger
Battery Charger
Both the LT receiver and the remote display use a rechargeable NiCad battery pack that is provided with
the system along with a battery charger. The battery pack should be fully discharged before recharging;
this is known as conditioning the battery. A fully discharged battery measures 14.4 V DC or shows low
battery status on the receiver or remote display.
The battery charger can be powered from an AC or DC power source and is equipped with a conditioning
or discharge cycle designed to remove the “memory effect” from the battery. The charger will operate
from any AC voltage (wall outlet) between 100 V and 240 V without modification (you may need to con-
vert the plug). This allows the same battery charger to be used in many different countries. The battery
charger is also equipped with an automotive cigarette lighter adapter for 12 V to 28 V DC charging.
The voltage on a fully charged battery is between 16.5 V DC and 17.1 V DC. A battery is considered
discharged at 14.4 V DC.
A fully charged NiCad battery pack should power the LT receiver for approximately 8 hours. A fully
charged NiCad battery pack should power the LT remote display for approximately 12 hours.
Only two terminals are exposed on the NiCad battery pack. There is a third terminal under the black
insulating material. If the third terminal accidentally becomes exposed, do not try to charge the battery
pack or you may damage the battery charger. Such a battery may cause fire or can damage the remote
display or receiver.
The battery charger is grounded by the safety ground pin of the AC line power plug.
Control
Panel
DCI NiCad
Battery Pack
Unexposed Terminal
DO NOT EXPOSE
AC Power
Cord
Negative
Terminal
Positive
Terminal
DC Power
Cord