NorthStar 972 Installationsanweisungen

SECTION THREE: Setting up the radar

Ethernet Radar Installation Manual, Rev. A

Page 19

At this point, you should see range rings 
displayed on the screen. You’ll next see the 
transmitter warm-up message.” 

3. Press 

 to access the setup 

functions.

Trigger delay compensates for cable transmission delays which vary depending on cables lengths 
and other factors in each particular installation. In general, longer cables require a higher trigger 
delay setting. Typical settings are between 125 and 160.

An incorrect setting causes a doughnut-shaped ring in the center of the screen. Trigger delay can be 
roughly set by reducing the dark hole in the center until it just disappears. 

The vessel should be located 50 to 100 yards from a straight jetty or other landmark that should 
produce a straight-line echo on the screen.

1.  Adjust the gain to obtain a reasonably good image of the jetty echo. 

2. On 

the 

 page, press 

3. Press 

 to activate the key.

4. Adjust 

the 

 to make the jetty echo appear as a straight line on the screen as 

shown in Figure 16. 

Tuning makes the radar receiver frequency match the transmitter frequency. After the initial setup, 
the radar’s tuning is maintained automatically.