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Page 34 3 — Basic Navigation
3 — Basic Navigation3 — Basic Navigation
3 — Basic Navigation Rev. D
Press the
L/L TDS
menu key several times to select the particular pair of
TDs you wish to use or to display GPS latitude/longitude.
Press the
SET GRI
menu key to change the GRI to be used in calculating
the displayed TDs. Press the up and down cursor keys to display the
available GRIs one at a time. When the GRI is correct, press
ENTER
.
Press the
SAT INFO
menu key to check on the received GPS satellite
status, as described on page 27.
Press the
DGPS INFO
menu button to display the current status of the
beacon receiver, including SNR, SIGNAL and NOISE values (as previ-
ously described on page 29). Press
RETURN
when you wish to go back to
the
PHANTOM LORAN
position screen.
The large letter displayed in the upper right corner of
the display indicates differential GPS corrections are being received and
used to improve the accuracy of the received data.
To return to GPS signals for navigation, repeat the steps shown above for
selecting loran, except specify
GPS
instead of Phantom Loran.
See “Navigating to Waypoints,” beginning on page 55, to learn how to
navigate to loran, Phantom loran, or GPS coordinates.
choosing L/L or
TDs
Phantom Loran
GRI
checking GPS
status
checking DGPS
status
DGPS
corrections
returning to GPS
navigation