Introducing Radar; Introducing The Echo Sounder; Introducing Alarms, Tidetrack, And Video - NorthStar 958 Operator's Manual

Introducing radar

Introducing the echo sounder

Introducing alarms, TideTrack, and video

Using the alarms
958 Operator's Manual, Rev. A
With radar, you can determine where other boats or ships,
navigational markers, land masses, flocks of birds, and other
objects are located in relation to your vessel, and you can track
their movements.
You can display radar by itself or in combination with the
chart and sounder. You can also overlay the radar image on
the CHART screen. For details about radar functions, see
"Understanding Radar Functions" starting on page 125.
For information about the radar setup, see "Setting up radar"
starting on page 177. For information on installing radar and
making it operational, see the Northstar Radar Installation
Manual (part number GMRadarIM).
If your 958 is equipped with Northstar's optional sounder,
pressing the STAR key will display the full ECHO SOUNDER
screen. You can also display the ECHO SOUNDER screen in
various combinations with other screens.
For information about viewing the sounder in combination
with other screens, see "Splitting the screen" starting on page
46. For information about the sounder setup, see "Setting up
the sounder" starting on page 177. For details about using (and
installing) the sounder, see the Northstar 490 Operator's
Manual (part number GM490).
The 958 has several special functions:
•
alarms
•
TideTrack display
•
video image display
The 958 has several alarms that automatically alert you to
certain situations. For example, when you're approaching a
waypoint, the 958 lets you know by sounding a beep and
Chapter 2 - Introducing the 958
Page 25