Chapter 5 - Determining Your Position
958 Operator’s Manual, Rev. A
Page 67
Press the
L/L TDS
menu key several times to display either the
particular pair of TDs you want to use, or the loran-derived
latitude/longitude.
NOTE:
If you want the 958 to display loran position coordinates from a connected
loran, the loran must support the standard NMEA 0183 “RMA” output data
sentence structure. Without this output capability, the 958 won’t receive
position data from the loran.
Checking GPS status
To display GPS coordinates and signal status, press the
CHECK
GPS
menu key. The 958 continues to navigate using loran,
and will display loran data the next time you display the
LORAN POSITION
screen.
Viewing loran
status
To check the quality of signals being received by your loran,
press the
LORAN INFO
menu key from the
LORAN POSITION
screen. The SNR for each loran transmitting station is
displayed graphically on the
LORAN INFO
screen.
Setting loran GRI
To change the four-digit loran Group Repetition Interval (GRI),
press the
SET GRI
menu key on the
LORAN POSITION
screen.
For the 958 to accurately convert the loran’s TDs to latitude/
Summary of Contents for 958
Page 1: ...NORTHSTAR 958 Integrated Navigation System Operator s Manual P N GM958UM Revision A ...
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Page 8: ...Page iv 958 Operator s Manual Rev A ...
Page 26: ...Page 18 958 Operator s Manual Rev A Chapter 1 Getting Started ...
Page 128: ...Page 120 958 Operator s Manual Rev A Chapter 8 Understanding Waypoint Route Navigation ...
Page 150: ...Page 142 958 Operator s Manual Rev A Chapter 10 Understanding Radar Functions ...
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