NorthStar Navigation NorthStar 8000i - Manual (Page 203)

Northstar 8000i Operation Manual 203
program
A set of software instructions for a computer.
programme
A plan, or a series of events.
pulse length
The length of the sonar pulse transmission
pulse power
The power output of the sonar transmission.
R
R/B Boat to Point
The range and bearing from the boat to a point selected on the chart.
R/B Point to Point
The range and bearing between two points selected on the chart.
rain clutter
Heavy rain or snow can cause interference with the radar image.
Range (Charting)
The distance between two specified points; usually the boat and a point of
interest (such as a light or ship).
Range (Radar)
The distance between the center of the radar image and the outer range
ring. The radar scale is shown on the display unit.
Range (Sounder)
An adjustable setting that specifies the vertical depth displayed.
Range Rider
This remembers the settings that you used most recently for each range,
and automatically reapplies the settings when you select a range again.
range rings
Concentric circles extending from your boat (at the centre of the radar
image on the screen) and used to estimate distances to objects. The radar
scale is shown on the display unit.
Range, Range mode
An adjustable setting that shows the depth of water displayed on a sounder
screen.
relative motion
Your boat’s position remains fixed on the chart while the chart moves
relative to your ship's heading.
repeat
Repeat the selected tracks on a CD or DVD.
Rng
See Range (Charting).