Garmin Fishfinder 240 Blue Owner's Manual - Page 22

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Garmin Fishfinder 240 Blue Owner's Manual

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Unit Operation

The Adjustment Bar

Minimum Gain

Gain

The Gain Adjustment allows the user to control the sensitivity of the

unit' s receiver. This provides some flexibility in what is seen on the display.

To see more detail, increase the receiver sensitivity by selecting a higher gain

(+). If there is too much detail or if the screen is cluttered, lowering the

sensitivity (-) may increase the clarity of the display.

To change the Gain:

1. Highlight 'Gain' on the Adjustment Bar.

2. Using the UP or DOWN Arrows, move the pointer to the desired setting.

Normal Gain

Maximum Gain