Auto Gain - Lowrance HDS-5 Operation Manual

Radar
Gain
Sea Clutter
Rain Clutter
Interference Rejection
Target Boost

Auto Gain

Selecting Auto gain from the Radar menu will automatically set the sensitivity of
the receiver to a level that works well under most conditions, reducing the need for
adjustments. If you make adjustments to the Gain level when Auto gain is on, Gain
will switch to manual mode.
To select Auto Gain:
1. Press the MenU key. The Radar menu will appear
2. Select Auto gain and press enTeR.
Adjust menu options
Controls the sensitivity of the radar receiver.
Increasing gain will show more detail on
the screen; decreasing gain will show
less detail. Too much detail will clutter the
screen. Conversely, desired returns may not
be shown if gain is too low.
Reduces or eliminates onscreen clutter
caused by wave action near your vessel.
Precipitation reflects radar signals, cluttering
the screen. Rain Clutter reduces or eliminates
returns caused by rain, hail, sleet or snow.
Reduces interference from other active ra-
dars near your vessel. If another ship is op-
erating radar near you, interference from its
radar signals can appear on your display.
Increase interference rejection until radar
interference is eliminated from your display.
Interference Rejection has four settings: Off,
Low, Medium and High.
This feature increases the size of radar
targets, making them easier to see on the
display. Target Boost has four options: Off,
Low, Medium and High.
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