Javad Prego Operator's Manual page 87

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Figure 3-12. Base Configuration – Ports
13.Click Apply. The receiver begins generating data on the selected
port.
When using a Pacific Crest PDL (UHF) external modem, follow these
steps to configure this modem:
14.When finished with the previous steps, press the power button on
the external modem.
15.Select the radio transmission power using the Low/High toggle on
the rear panel of the modem. When in High, the AMP PWR LED will
be turned on.
16.Use the Channel button to set the frequency channel. Check that the
modem transmits the corrections (the TX LED will blink red each
time the data is transmitted).
For more details on the settings available for configuring the Base
station, see the PCView User's Manual and the GPS Receiver Interface
Language Manual.
S E T U P A N D M E A S U R I N G
Measuring with the Prego
Prego Operator's Manual 3-17