Topcon HiPER GD, Operator'S Manual

Page: 45 / 180

Powering the Receiver
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2-3
The Li-Ion batteries used in the receiver should run at no less
than 98% capacity after 500 charging cycles. These batteries do
not need to be drained before recharging.
External Batteries
In addition to the internal batteries, you can use your receiver
with external batteries. The use of external batteries allows you
to continue using the receiver in case the internal batteries are
discharged. To use external batteries, you must have:
• a 12 V, 2.3 A*h battery
• a 2.3 A*h battery clip-to-SAE cable
• an SAE-to-Power Plug cable
NOTICE
When the receiver uses external batteries, make
sure that the charger mode is set to Off.
Otherwise, the external batteries will also charge
the internal batteries, causing operation time to
decrease. See “Power Management” on
page 2-5 for more information on setting the
charger mode.
1. Connect the two cables using the SAE connectors.
2. Plug the power cable into the receiver’s power port.
3. Attach the battery clip to the battery. A single external 12
V, 2.3 A*h battery should run the receiver for about 7 hours
and the receiver and modem for no less than 5 hours.
TIP
Use an SAE-to-SAE extension cable and an
Alligator clip-to-SAE cable, and power the
receiver directly from a battery, such as the