Topcon GB-500, Operator'S Manual

Page: 25 / 120

Getting Acquainted
P/N 31-050506-01 www.topconpositioning.com
1-11
Front Panel
The front panel (Figure 1-6) has three operating keys and five
LEDs that display the status of the batteries and certain
functions. See Chapter 3 for details on the GB-500 front panel.
Figure 1-6. GB-500 Front Panel
PG-A1 Antenna
The PG-A1 antenna (Figure 1-7) is a precision dual-frequency,
dual-constellation antenna featuring precision micro center
technology and an integrated ground plane to help eliminate
errors caused by multipath. The PG-A1 was designed to
accompany Topcon modular receivers such as the GB-500.
Figure 1-7. PG-A1 Antenna
Battery 1 LED
(Left side)
Power Key
Hold Key
Recording Key
Battery 2 LED
(Right side)
Recording LED Status LED
Hold LED
Antenna Port