Addendum to the northstar 6000i reference manual revision b this addendum replaces chapter 5 of the reference manual and describes new radar functionality, including the new northstar 2kw radar p/n gm6kuma rev b.
. – 25 – press trigger level repeatedly to set the signal strength that causes an alarm: low, medium, high, or off (no alarm). The alarm is temporarily turned off while you are displaying the radar markers menu keys. It automatically turns back on after a minute passes with no further adjustments, o...
– 24 – and two straight lines extending outward from the vessel as shown in figure 3. You can turn each zone on or off, change its boundaries, and set the echo strength that will cause an alarm. Press the following keys to adjust each guard zone. Press guard zone repeatedly to select zone 1, 2, or 3...
– 2 – turning the radar transmitter on and off each time you turn on the northstar 6000i , the radar transmitter must be turned on separately, as a safety feature. When you first press the radar key after turning the system on, the unit displays: the radar tx is off. Do you want to turn it on? Press...
– 22 – the screen. Again, there’s a variable range marker at each end of the line. The following information about the ebls and vrms appears on your screen: • in the upper right-hand corner, you’ll see: > the coordinates of point a, b, c or d (which- ever point you selected) > the ete and eta to the...
– 4 – using the radar’s main menu keys the radar’s main menu keys allow you to: • overlay the radar image on the chart (if the chart is also displayed) • switch control between the radar and chart (if the chart is also displayed) • rotate the radar image • access the radar markers • access the radar...
– 20 – mode: auto 1 rain clutter, sea clutter and gain are set to useful values for each range interference rejection: off trails: off expansion: off range rings on/off: on bearings: true/mag echo colors: the first set (green) sweep: analog fade: off stc curve: 4 (not present on 2kw model) tune mode...
– 6 – adjusting the radar press the page 2 key to display the first of several pages of radar adjust- ments. For more information about using these keys, see using the radar adjustment keys, on page 14. Using the radar markers press radar markers to display the controls for the 6000i’s electronic be...
– 18 – minute, 3 minutes, 6 minutes, always (points are recorded continuously), or off (points are not recorded). If trails are left on continuously, the recorded points may eventually fill up a large part of the screen. Zooming in or out will erase all recorded trail points. Expand press expand to ...
– 8 – changing radar scale and rotation changing the scale to change the radar’s scale, press the in key to zoom in (smaller area, more detail) or the out key to zoom out (wider area, less detail). Using zoom on a split screen if there’s no radar overlay on the chart, the chart and radar are scaled ...
– 16 – sea clutter controls the strength of the clutter echoes returned from the ocean surface. Higher values suppress more clutter. Sea clutter can be set to automatic or manual mode. Press the activated sea clutter key to switch modes. The sea clutter setting can be entered on the keypad or by usi...
– 10 – shown in the upper left-hand corner of the radar image (identified by “rr.” press range rings to turn the range rings on or off. Bearings press bearings to display the fixed ebl’s bearing digits as relative to: • the vessel heading, or • north (either true or magnetic north as selected in the...
– 14 – 4. If necessary, continue adjusting the image until it looks the way you want it. The modes of rain clutter and sea clutter are always locked together: if the user sets one to manual, the other automatically switches to manual, and vice-versa. More information on using these settings is given...
– 12 – automatic modes this section does not apply to the 2kw radar. In automatic mode, the unit continuously evalu- ates its settings and adjusts them as necessary to obtain the best image. Gain and clutter are eval- uated separately in various areas of the screen, and the settings are optimized fo...
