Humminbird 161 - Manual (Page 78)

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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)
Alarm Tone
Alarm Tone selects the pitch of the alarm sound. A brief
tone will be produced as you adjust the Alarm Tone so that you can select the tone that
you can hear best.
To change the Alarm Tone setting:
1. Highlight Alarm Tone on the Alarms main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Alarm Tone
setting. (High, Medium, Low, Default = Medium)
Drift Alarm Perimeter
Drift Alarm Circle