Humminbird 998c SI - Manual (Page 117)

107 Alarms Menu Tab
Arrival Alarm
Settings: Off, 25 to 3000 ft, 10 to 1000 m
[International Models only]; Default = 150 ft, 50 m
Arrival Alarm sounds when the boat has either exceeded the distance to the
destination waypoint, or has entered the Arrival Alarm Circle, based on the
menu setting when navigating. Arrival Alarm allows you to set how close the
boat must be to the destination waypoint before the Arrival Alarm will
sound.
Drift Alarm
Settings; Off, 25 to 3000 ft, 10 to 1000 m
[International Models only]; Default = Off
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.
Alarm Tone
Settings: High, Medium, Low; Default = Medium
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.
Drift Alarm Circle
Off Course Alarm
Arrival Alarm Circle Off Course Limits 1 2
1
2