Lowrance electronic HDS-8M, HDS-10M operation manual Low, Medium and High, To select Auto Gain

Radar

Adjust menu options

	Controls the sensitivity of the radar receiver.
	Increasing gain will show more detail on
Gain	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.
Sea Clutter	Reduces or	eliminates	onscreen	clutter
	caused by wave action near your vessel.
Rain Clutter	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
Interference Rejection	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
Target Boost	targets, making them easier to see on the
	display. Target Boost has four options: Off,
	Low, Medium and High.

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.

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