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Finding range and bearing with a fixed vrm/ebl, Finding range and bearing with a floating vrm/ebl – Navman 8120 User Manual

Page 14

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NAVMAN 8120/8084 Fuel, AIS, & Radar Addendum

14

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.