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3000LRS DGPS RECEIVER
OPERATOR’S MANUAL
A Product of the Fugro Group of Companies
Issue 2.00 JUNE 2003
B11203400PMBRA0 / 11
5.
Confirm that the external GPS receiver is operating in differential mode.
Consult the specific manual on how to do this. It is also possible to view on
the Seastar receiver whether the external GPS receiver is operating in
differential mode (providing the external GPS receiver outputs a GGA string,
not GLL, to the Seastar receiver). Check the VBS Services menu of the
Seastar receiver and check the Quality (Q) value according to the following
table:
Q=2 (differential mode)
Q=1 (non-differential or standalone mode)