Javad Prego, Operator'S Manual

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www.javad.com Prego Operator’s Manual 5 - 3
TR O U B L E S H O O T I N G
Receiver Problems
The cable is damaged Use an undamaged cable. Contact your
Dealer to replace the cable.
The receiver port used
for connection is not in
Command mode. 1. Connect your receiver and a computer
using a free port (see “Connecting the
Prego and a Computer” on page 2-4)
and start PCView.
1.
Click Configuration Receiver
Ports .
2.
Change the Input for the serial port
used for connection to Command.
Problem
The receiver does not lock on to satellites for a long period of time.
Causes Solutions
The receiver stores an
old almanac. • Update the almanac.
• See “Collecting Almanacs” on page 2-33
Problem
The receiver tracks too few satellites.
Causes Solutions
The elevation mask
value is too high (e.g.,
above 15 degrees). • Lower the elevation mask.
• See page 2-9 for information on setting
the elevation mask.
The measuring is
conducted near
obstructions (tree
canopy, tall buildings,
etc.). • Check that the Multipath Reduction
boxes have been enabled.
1. Connect your receiver and a
computer and start PCView. See
“Connecting the Prego and a
Computer” on page 2-4.
2. Click Configuration
Advanced Multipath
Reduction and enable the two
boxes.
• Move to an area free of obstructions, if
applicable.
Problem