Lowrance HDS-5 Operation Manual page 63

Sea Clutter
Allows you to select the Sea Clutter adjustment mode — Auto or Manual. If you
make changes to Sea Clutter when it is in auto mode (Harbor or Offshore), Sea Clut-
ter will switch to Manual mode.
Manual
Harbor
Offshore
Acquire Targets
Used to select MARPA (Mini Automatic Radar Plotting Aid) targets. Refer to the
Radar Settings segment in the Settings section for information on using MARPA.
Position
You can move the PPI (Plan Position Indicator) to different locations on the radar
display. There are three Position options: Center, Look Ahead and Offset.
Center: PPI centered on the
display
To change the PPI position:
1. Select Position from the Radar menu and press enTeR.
2. Select the desired position and press enTeR.
Sea Clutter Options
Switches Sea Clutter from Auto to Manual mode
Auto setting optimized for harbor-like environment
Auto setting designed for offshore conditions
Look Ahead: PPI moves down,
allowing you to see more of what
is in front of you
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Radar