Raymarine LIGHTHOUSE 4, Руководство по эксплуатации

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4. Range — shows the range displayed onscreen and is also the distance
that the azimuth ring is placed at.
5. Rings — identifies the distance between each ring.
20.8 Range and bearing
The Radar app helps you identify a target’s range (distance) and bearing
from your vessel.
1. SHM (Ships heading marker).
2. COG/SOG line (Points in the direction of travel (COG), with the length of
the vector providing an indication of speed (SOG)).
3. Range rings.
4. Vessel position.
5. Azimuth ring (The White ring identifies the distance from your vessel to
the top edge of the screen. Bearing indicators are also provided around
the ring).
6. North indicator (Always points North).
7. Current displayed Range and Ring separation distance (Range: identifies
the distance from your vessel to the top edge of the screen. Rings:
identifies the distance between each Range Ring).
The displayed range can be adjusted at anytime using the Range controls.
Range rings can be switched off from the Presentation tab: [Menu > Settings
> Presentation > Range rings:]
You can also choose whether to display a numerical range indicator against
each ring using the
[Range ring labels:] option.
VRM (Variable Range Marker) / EBL (Electronic Bearing
Line)
VRM/EBL is used to determine a targets range and bearing from your vessel,
or from another target. 2 VRM/EBLs are available which are enabled from
the context menu.
[Context menu > More options > VRM/EBL 1] or [Context menu > More options
> VRM/EBL 2]
1. Centered VRM/EBL You can use a ‘Centered’ (on your vessel) VRM/EBL
to determine the range and bearing of targets in relation to your vessel.
2. Floating VRM/EBL You can use a ‘Floating’ VRM/EBL to determine the
range and bearing between 2 targets.
Radar app
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