Hardness Graph - Furuno FCV-2100 Operator's Manual

2. GRAPH FUNCTIONS
2.6

Hardness Graph

The [Hardness Graph] plots the estimated seabed hardness as a solid line graph
along the bottom of the screen. The graph indicates estimated composition, such as
rocks or gravel, making it a handy tool for finding the right fishing spot.
to show the [Hardness Graph], do the following:
1. Select the [Graph] icon (
menu.
2. Select the [Hardness Graph] icon (
the [Hardness Graph] appears.
To close the graph, select the [Close Window] icon (
2-12
) from the InstantAccess bar™ to show the [Graph]
Hardness graph Hardness graph
). The icon changes to a green color and
), or select the graph icon.