Topcon GR-3 User Manual

GR-3 Configuration
GR-3 Operator’s Manual
3-14
Figure 3-7. Connect to Modem-TPS
3. On the Radio Link tab, set the following parameters (Table 3-5)
for the base station’s and rover’s radio modem, and click Apply
(Figure 3-8 on page 3-15).
Table 3-5. Receiver Parameters for the Radio Link Tab
Parameter Base Receiver Rover Receiver
Protocol • Select PDL w/EOT to work with Pacific Crest
compatible modems
• Select TRMB to work with Trimble UHF compatible
modems
• Select Simplex to work with TPS Digital UHF
compatible modems
Note: The same protocol must be used for both the base
and rover to communicate properly.
Modulation • If PDL w/EOT or TRMB protocol is selected, use
GMSK (recommended for most applications).
• If Simplex protocol is selected, use either DBPSK or
DQPSK.
Note: The same modulation must be used for both the
base and rover to communicate properly.
Mode Select Transmitter Select Receiver
Channel Select the desired frequency from the channel list.
Note: The same channel must be used for both the base
and rover to communicate properly.

Topcon GR-3 Specifications

General

Brand	Topcon
Model	GR-3
Category	Receiver
Language	English