5700/5800 GPS Receiver User Guide 43
Setting up the Receiver 3
5700 Operation
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 5700 receiver, see Batteries and Power,
page 54.
6. Configure the external radio using Trimble Survey Controller.
Alternatively, you can configure a TRIMMARK 3 radio using
WinFlash or the configuration software supplied with the radio.
For more information, refer to the Trimble Survey Controller
User Guide or the appropriate Help.
7. Set up any other equipment as required, depending on whether
you are using the radio as a reference or a rover radio.
30.1
Cellular modems
You can use a cellular modem instead of a radio as your data
communications link. Cellular modems and other radio links can be
used to extend the limits of your surveys.
To connect a cellular modem to a 5700 receiver you need the
following:
• 5700 receiver
• A custom-designed cellular modem, or a cellphone that can
transmit and receive data
• Serial (cellphone to DB9) cable (supplied with the cellular
modem or phone)
• Trimble DB9 to 0-shell Lemo cable
Note – This cable is suitable only if flow control can be disabled
on the cellular modem. If the cellular modem does not support
this functionality, a special cable is required. For more
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