Chapter 6: Using the Fishfinder 131
Measuring using VRMs
You can use a Variable Range Marker (VRM) to determine the depth and distance-
behind-boat of an object. These markers consist of a horizontal (depth) line and a
vertical (distance-behind-boat) line; each of which are marked with the appropriate
measurement and are controlled individually.
Note:
VRMs set up in Fishfinder are unrelated to those set up in Radar.
1. Select the VRM option:
2. Pause the display to make it easier to position the VRM over an object (see page
page 128
)
3. Measure the depth and/or distance:
.
Note:
To return the marker to its previous position, press CANCEL
D8453_1
PRESENTATION... VRM...
Toggle to ON
VRM
To Next Page
Loading...
