Trimble R6/R7 GPS and Trimble R8 GNSS Receivers User Guide 23
Setting up the Receiver 3
Trimble R7 GPS Receiver Operation
To set up a Trimble R7 GPS receiver using an external radio:
1. Connect one end of the yellow GPS antenna cable to the yellow TNC port on the
receiver.
2. Connect the other end of the GPS antenna cable to a Zephyr or Zephyr Geodetic
antenna.
3. Connect the external radio to Port 3 on the receiver.
4. Connect a radio antenna to the external radio.
Figure 3.12 shows a TRIMMARK 3 radio connected to a Trimble R7 GPS receiver.
Figure 3.12 Connecting an external radio
5. Connect an external power source to Port 2 on the receiver.
Note – External rover radios must have their own power source because the
internal Lithium-ion batteries do not supply enough voltage. Alternatively, supply
external power to Port 2 of the receiver, and enable power out on Port 3.
Base radios must have their own power source because of their high power
consumption.
Alternatively, you can apply external power directly to the radio, if it supports it.
You can use a 10 Ah battery, a 6 Ah battery, or camcorder batteries. The choice
of power supply depends on the application, and whether you are using the
radio as a reference or rover radio. For more information about the power
capabilities of the Trimble R7 GPS receiver, see Batteries and power, page 32.
6. Configure the external radio using Trimble Survey Controller software.
Alternatively, you can configure a TRIMMARK 3 radio using the WinFlash utility
or the configuration software supplied with the radio.
To antenna
To power supply
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