How To Measure The Range And Bearing From Your Ship To A Target; How To Display The Range Rings - Furuno NAVnet TZtouch2 Operator's Manual

6. RADAR
Head-up
A display without azimuth stabilization in which the
line that connects the center with the top of the
screen indicates your heading. Targets are shown
at their measured distances and in their directions
relative to your heading.
North-up
Targets are shown at their measured distances
and their true (compass) directions from your ship.
North is at the top of the screen. The heading line
changes its direction according to your heading.
6.8 How to Measure the Range and Bearing from
Your Ship to a Target
You can measure the range or bearing to a target by the following four methods.
EBL (Electronic Bearing Line)
Fixed range rings
Ruler
Tap
VRM (Variable Range Marker)
6.8.1

How to display the range rings

The range rings are the concentric solid circles about your ship. Use the fixed range
rings to get a rough estimate of the range to a target.
To show or hide the range rings, open the [Layers] menu then turn [Radar Rings] on
or off.
To measure the range with the range rings, count the number of rings between the
center of the screen and the target. Check the range ring interval and estimate the dis-
tance of the echo from the inner edge of the nearest ring.
6-6
Range
measurement
No
Yes
Yes
Yes
Yes
Heading line
Heading line
Bearing
measurement
Yes
No
Yes
Yes
No