POS MV V4 User Guide
System Operation
Copyright © Applanix Corporation, 2009
5-18
Operation with GAMS
Normal Operation
If POS MV has valid installation parameters stored in NVM then it is ready to
operate with GAMS heading aiding.
a) Follow the instructions in the
Power-On topic on page 4-1 to power-
on the PCS.
b) If you have not enabled AutoStart, transition POS MV to the navigate
mode by selecting the Nav icon on the MV-POSView tool bar.
View both the GAMS Solution and the Status pane windows (
Figure 43) to
follow the GAMS Initialization sequence.
1. Once the POS MV has completed its levelling routine GAMS will start-
up. The controller program will show the following indicators:
• The Status pane will show GAMS as Not Ready. This
indicates that GAMS has not resolved the carrier phase
ambiguities.
• The GAMS Solution window shows SVs in solution, A
priori PDOP and Antenna Separation.
• In addition, the GAMS Solution window shows a list of
satellites (SVs or space vehicles) that are being tracked by
POS MV. The order in which they appear in the window is not
important.
2. If POS MV is tracking fewer than five satellites, or if the indicated
Position Dilution of Precision (PDOP) is greater than 4.5, then GAMS
becomes dormant. In this dormant state, GAMS continues to monitor