Measuring Range By Vrm - Furuno NAVNET 1722 Operator's Manual

2. RADAR OPERATION
2.10.3

Measuring range by VRM

1. Press the [EBL/VRM] key to display the 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.
4. You may hide the EBL/VRM soft keys by pressing the [EBL/VRM] key.
2-14
.125nm
.250/
SP
H-UP
EBL/VRM soft keys
.125nm
.250/
SP
H-UP
VRM1
(Dotted line)
VRM2
(Dashed line)
EBL1
VRM1 range
VRM1
0.119nm
How to measure range with the VRM
319.9 M
EBL
VRM
EBL1
ON
VRM1
ON
OFFSET
EBL2
ON
VRM2
ON
359.9 R
+
0.240nm
319.9 M
EBL
VRM
EBL1
VRM1
OFFSET
EBL2
VRM2
EBL2
359.9 R
---.- R
---.- R +
VRM2
0.240nm
0.242nm
Active marker is highlighted.
VRM2 range
ON
ON
ON
ON