Furuno COLOR VIDEO PLOTTER 1833C - Measuring Range by VRM

2. RADAR OPERATION
2-13
2.10.3 Measuring range by VRM
1. Press the [EBL/VRM] key to display the EBL/VRM soft keys.
EBL
VRM
EBL1
ON
VRM2
ON
359.9 ˚R
11.70
nm
+
VRM1
ON
OFFSET
EBL2
ON
319. 9
°
M
12/
H-UP
3nm
LP
EBL/VRM soft keys
2. Press the VRM1 ON (dotted ring VRM) or VRM2 ON (dashed ring VRM) soft
key to select the desired VRM. The selected VRM’s indication, at the bottom
of the screen, is highlighted.
3. Rotate the [ENTER] knob the place the VRM on the inside edge of a radar
target. Read the VRM indication to find range to the target.
EBL
VRM
EBL1
ON
359.9 ˚R
11.70
nm
+
VRM1
(Dotted line)
VRM2
(Dashed line)
VRM1 range
Active VRM is highlighted.
OFFSET
EBL2
ON
VRM1
ON
VRM2
ON
EBL1
---.-°R
VRM1
3.123nm
EBL2
---.-°R
VRM2
9.343nm
VRM2 range
319. 9
°
M
12/
H-UP
3nm
LP
4. You may hide the EBL/VRM soft keys by pressing the [EBL/VRM] key.
How to measure range with the VRM