User's Manual

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Software Operations
Section 4
The GPS sub-system is an integral part of the control of
the DSP based system. During normal operating mode,
the GPS receiver controls the selection of filters and the
key state of the unit. The unit must first receive a valid
GPS string from the satellites before the unit will perform
properly. The following menu allows the user to examine
and configure the GPS operating parameters of the unit.
The GPS mode menu controls the operational state of the
GPS receiver. The system is designed to run with a GPS
emulator connected to COM3 (internal) for use s a test/
debug mode. Additional menu items can be used to assist
in the diagnosis of GPS related issues.