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NAVMAN 8120/8084 Fuel, AIS, & Radar Addendum14
Finding range and bearing with a fixed
VRM/EBL
1 From the radar window, press then
select
VRM/EBL.
2 Select
VRM/EBL then 1 (VRM/EBL 1) or 2
(VRM/EBL 2).
3 Set Enable to
to show the VRM and EBL
on the radar window (or
to hide them).
4 Select EBL reference if you want to change
the EBL bearing reference. There are two
choices:
• °R shows the EBL bearing relative to
your boat’s head.
• °M/°T shows the EBL bearing relative to
magnetic North or true North.
5 Select
Adjust to adjust the VRM and the
EBL so that you can align them with the
target. Use:
•
and
to decrease and increase the
radius of the VRM until it touches the
target to measure the range.
• and to move the EBL until it
touches the target to measure the
bearing.
6 The range and bearing of the target is
shown at the bottom of the screen.
7 If you want to hide (or change the settings
for) the range rings, North line, and/or
heading line, press
then select
Radar.
8 To clear the VRM/EBL display, press
and repeat steps 1 and 2. Then set Enable
to
.
If you want to find the range and bearing
of another target, repeat the sequence
using the other VRM/EBL. This is shown in a
different pattern.
Finding range and bearing with a floating
VRM/EBL
If you move the centre of a VRM away from
your boat it is called a floating VRM. Use this
to measure the range and bearing between
two locations on the radar window, such as a
headland and a buoy.
1 From the radar window, press
then
select
VRM/EBL.
2 Select
VRM/EBL then 1 (VRM/EBL 1) or 2
(VRM/EBL 1).
3 Set Enable to
to show the VRM and EBL
on the radar window (or
to hide them).
4 Select
EBL reference if you want to
change the EBL bearing reference. There
are two choices:
• °R shows the EBL bearing relative to
your boat’s head.
• °M/°T shows the EBL bearing relative to
magnetic North or true North.
5 Select
Set centre to move the VRM
and EBL centre away from your boat. Use
the arrow keys to move the centre so that
it is aligned over the first location.
6 Press
to save the new centre
position, then press
and reselect the
VRM/EBL.
7 Select
Adjust to adjust the VRM and the
EBL so that you can align them with the
second location. Use:
•
and
to decrease and increase the
radius of the VRM until it touches the
second location to measure the range.
• and to move the EBL until it
touches the second location to
measure the bearing.
8 The range and bearing of the target is
shown at the bottom of the screen.
9 If you want to hide (or change the settings
for) the range rings, North line, and/or
heading line, press
then select Radar.
10 To clear the VRM/EBL display, press
and repeat steps 1 and 2. Then set Enable
to
.
If you want to find the range and bearing
between two other locations, repeat the
sequence using the other VRM/EBL. This
is shown in a different pattern in the radar
window.