NorthStar 951X Operator's Manual page 81

Viewing Phantom
Loran TDs
Setting Phantom
Loran GRI
Checking GPS status
Checking DGPS
status
DGPS corrections
951/952 Operator's Manual Rev. B
Shown below is a sample PHANTOM LORAN screen.
Press the // 7'6 menu key several times to display either the
particular pair of TDs you want to use or GPS latitude/longi-
tude.
Press the 6(7 *5, menu key to change the GRI to be used in
calculating the displayed TDs. Press the &85625 3$' to dis-
play the available GRIs one at a time. When the GRI is correct,
press the (17(5 key.
Press the 6$7 ,1)2 menu key to display the status of the GPS
receiver to temporarily display GPS coordinates and signal sta-
tus (see "Viewing GPS status" starting on page 62). Press
5(7851 to go back to the PHANTOM LORAN screen.
Press the '*36 ,1)2 menu key to display the current status
of the differential receiver, including SNR, SIGNAL, and NOISE
values (see "Displaying DGPS status" starting on page 65).
Press 5(7851 to go back to the PHANTOM LORAN screen.
The large letter D displayed in the upper right corner of the
screen indicates DGPS corrections are being received and used
Chapter 5 - Determining Position Coordinates
Page 71