To Set Arrival Alarm; To Set Drift Alarm; To Set Depth Alarm; To Set Fish Alarm - Humminbird NS25 Operation Manual

4. The Adjust Off Course menu displays. Scroll to a setting from .01NM to 1NM.
Note: the alarm setting is saved immediately.

To set Arrival Alarm

1. Highlight Arrival Alarm
2. Select ON to activate the alarm. The factory setting is .1NM.
3. Select Adjust to change the numeric alarm setting.
4. The Adjust Arrival Alarm menu displays. Scroll to a setting from .01 to 1NM.
Note: the alarm setting is saved immediately.

To set Drift Alarm:

1. Highlight Drift Alarm
2. Select ON to activate the alarm. The factory setting is .1NM.
3. Select Adjust to change the numeric alarm setting.
4. The Adjust Drift Alarm menu displays. Scroll to a setting from .01NM to 1NM.
Note: the alarm setting is saved immediately.

To set Depth Alarm:

1. Highlight Depth Alarm.
2. Select On to activate the alarm. The factory setting is 15 ft.
3. Select Adjust to change the alarm setting.
4. The Adjust Depth Alarm menu displays. Scroll to a setting from 2 to 99 feet.
Note: the alarm setting is saved immediately.

To set Fish Alarm:

1. Highlight Fish Alarm.
2. Select On to activate the alarm. The factory setting is set to alarm on all fish symbols.
3. Select Adjust to change the alarm setting.