Drift alarm – Humminbird 531478-2_B User Manual

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Drift Alarm

Drift Alarm sounds when the boat has exceeded

the distance from the boat’s anchored position, based on the menu setting. Drift
Alarm allows you to set the size of a perimeter around the boat’s anchored position;
if the anchored boat drifts outside of that perimeter, the Drift Alarm will sound.

To change the Drift Alarm setting:

1. Highlight Drift Alarm on the Alarms main menu.

2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Drift

Alarm setting. (Off, 25 to 3000 feet, 10 to 1000 meters [International
Models only], Default = Off)

Drift Alarm Perimeter

Drift Alarm Circle