Measuring Range & Bearing Between Two Targets - Furuno COLOR VIDEO PLOTTER 1833C Operator's Manual

2. RADAR OPERATION
2.17.2 Measuring range & bearing between two targets
The procedure which follows shows how to measure the range and bearing
between two targets, using the targets "A" and "B" in the figure below as an
example.
1. Operate the trackball to place the cursor on the target "A."
2. Press the [EBL/VRM] key to show the EBL/VRM soft keys.
3. Press the EBL1 ON soft key to turn on the EBL1.
4. Press the OFFSET soft key. The origin of EBL1 moves to the cursor position,
which is marked with an "X."
5. Rotate the [ENTER] knob so the EBL bisects the target "B."
6. Push the [ENTER] knob, then press the VRM1 ON soft key.
7. Rotate the [ENTER] knob to place the VRM1 on the inner edge of the target
"B."
8. Look at the indications for VRM1 and EBL1 to find the range and bearing
between the two targets.
9. To cancel the offset EBL, press the OFFSET key.
2-22
12/
LP
H-UP
Target B
Target A
EBL1
Bearing and range
VRM1
between target A
and target B
Measuring range and bearing between two targets
3nm
45.0 R
7.121nm
EBL
M
319. 9
VRM
EBL1
ON
VRM1
ON
OFFSET
EBL2
ON
VRM2
ON
359.9 ˚R
+
11.70
nm