Operation Manual

8120 Installation and Operation Manual42
10-2 Sonar Zoom window
A Divider line
B Depth line marks the centre of the
zoomed area
C Zoom bar
D Zoom section
E Sonar history
The window shows the sonar history on the
right and the zoomed section on the left.
The zoom bar on the far right shows the area
of the history that is magnified in the zoom
section:
• Press
or
to adjust the zoom range
(the range of depths included in the zoom
section).
• If Bottom lock is on, the zoom depth
(the depth of the zoom section) is adjusted
automatically so that the bottom is always
displayed in the zoom section.
If Bottom lock is off, press
or to
manually adjust the the zoom depth. If
bottom lock is on it will turn off.
Bottom lock
To turn Bottom lock on or off:
1 Press
MENU
and select Bottom lock.
2 Select On or Off.
or If Bottom lock is on, pressing or
will turn it off.
A
B
C
D E