NorthStar 958, Operator'S Manual, Page: 136 / 232

Page 128 958 Operator’s Manual, Rev. A
Chapter 10 - Understanding Radar Functions
•
The current radar scales, shown by the number in the
upper left corner of the radar image, labelled RR (range
rings). This number indicates the spacing between the
range rings.
•
A dashed white heading line, which appears when your
vessel is moving. This line indicates heading, not
course-over-ground, and can be used to compare the
radar presentation with the view in front of the vessel. It
continues to the edge of the screen.
For information about rotating and scaling the radar, see
”Changing scale and rotation” starting on page 130.
Turning radar on and off
When you power up the Northstar 958, radar is off. This is a
safety feature.
To turn radar on, you must turn on the radar transmitter:
1. Press the
SPLIT
key to show radar.
2. If needed, press the
CONTROL
key until it indicates
RADAR
.
3. Press the
ADJUST RADAR
key.
4. Press the
NEXT
key until you see page 2 with the
RADAR
TX
key.
5. Press the
RADAR TX
key until it indicates
ON
.
6. Press the
DONE
key.
Your radar is now on and operational.
Your radar turns off automatically whenever you power off the
958 or whenever you turn off the radar transmitter (by
pressing the
RADAR TX
key to indicate
OFF
).
Overlaying radar on the chart
To overlay radar on the chart:
1. Press the
CHART
key to display the
CHART
screen.