Furuno FCV-1100L - Manual (Page 15)

1. OPERATIONAL OVERVIEW
1-7
Bottom-zoom display
The bottom-zoom display shows the zoomed bottom (automatically tracked) on
the left half of the screen. When the bottom depth increases, the display shifts to
keep the bottom echo at the lower part of the screen.
Bottom-zoom display
Marker-zoom display
The marker-zoom display expands the area chosen with the VRM on the normal
picture to full vertical size of the screen on the left half of the screen. This mode
is useful for observing a specific fish school.
The marker-zoom range may be chosen on the RANGE SETTING menu. For
further details see M/Z RANGE on page 3-5.
Marker-zoom display