Drift Alarm; Alarm Tone - Humminbird 788c Operation Manual

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. Press the LEFT or RIGHT Cursor keys to change the Drift Alarm setting.
(Off, 25 to 3000 feet, 10 to 1000 meters [International Models only],
Default = Off)
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. Press the LEFT or RIGHT Cursor keys to change the Alarm Tone setting.
(High, Medium, Low, Default = Medium)

Drift Alarm

Drift Alarm allows you to set the size of a perimeter
Drift Alarm Perimeter

Alarm Tone

Alarm Tone selects the pitch of the alarm sound.
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Drift
Alarm
Circle
Alarms Menu Tab