Furuno NAVnet 3D MFD8 Guide D'utilisation page 4

Fish Finder
Selecting operating mode
Your fish finder can be operated automatically or manually. In automatic operation, gain, clutter,
TVG, echo offset and range* are automatically adjusted. (* For ETR series)
Select Auto
soft control.
Selecting operating frequency
Choose Mode
soft control.
Picture advance speed, interference rejection
The picture advance speed controls how fast echoes are scrolled across the screen. Turn on the
interference rejector when interference appears on the screen.
MENU
Select Fish
Finder menu.
Confirm
selection.
Confirm
selection.
Select Select Picture
appropriate Advance or
sub menu. Interference
Rejector.
Fishing
Cruising
Choose Fishing
Off
or Cruising for
Auto; Off for
Manual.
HF
LF
Dual
Picture
advance
speed
Interference
*
rejection
*: DFF/BBDS1 only
Interference
4
Confirm
selection.
Select HF,
LF or Dual.
Confirm
selection.
Select
option.