Troubleshooting
NET-G3A Operator’s Manual
5-4
D The corresponding receiver options may be disabled or expired
(L1/L2, GPS/GLONASS must be on to track satellites).
• See “Managing Receiver Options” on page 4-14 for details
about how to check current options.
• Order a new OAF with the desired options activated to
enable or extend validity of the corresponding receiver
options. Contact your dealer or visit the Topcon website at
www.topconpositioning.com for details.
• Refer to the PC-CDU Reference Manual for a detailed
description of options.
The receiver tracks too few satellites.
D The elevation mask value is too high (above 15 degrees).
Lower the elevation mask. See page 3-5 for information
about setting the elevation mask.
D The survey 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
PC-CDU. See “Connecting the Receiver and a
Computer” on page 2-15.
2. Click ConfigurationAdvanced and the
Multipath Reduction tab. Enable the two boxes, and
click Apply.
• Move to an area free of obstructions, if applicable.
The receiver cannot obtain Code Differential and/or RTK
solutions.
D Incorrect Base coordinates entered.
Specify the correct coordinates for the Base station using
PC-CDU or another suitable field data collection software.
D The receiver is not configured as a Base or Rover.
Net-G3A_OM_Book.book Page 4 Thursday, May 14, 2009 8:49 AM
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