Topcon GR-3 User Manual

Getting Acquainted
P/N 7010-0736
1-21
Other Accessories
The power supply unit (p/n 22-034101-01) charges the internal
batteries when connected to a grounded outlet (Figure 1-10). This
unit converts the alternating current (AC) normally supplied from an
electrical outlet to a direct current (DC) used to charge the batteries
and/or power the receiver.
The power supply unit can be connected to the charging cradle or
directly to the receiver. For details, see the power related sections in
Chapter 2.
Figure 1-10. Power Supply Unit
The modem antenna For more information, see “External Radio
Antenna Connector” on page 1-16.
The universal tribrach and tribrach adapter (p/n 22-006008-01
and p/n 22-006009-011) are used to level the tripod and secure the
receiver or antenna to the tripod (Figure 1-11).
Figure 1-11. Universal Tribrach and Tribrach Adapter
For more details on the accessories and package options available for
the GR-3, contact the local Topcon dealer.
CAUTION
The power supply unit should only be used for
charging the batteries. Do not use as a power source
during surveying.

Topcon GR-3 Specifications

General

Brand	Topcon
Model	GR-3
Category	Receiver
Language	English