Humminbird Onix Opeartion Manual page 64

Guardian Alarm
If C-MAP by Jeppesen is selected, and the Guardian Alarm is turned on, an alert will be provided based on potential dangers detected
in the chart data ahead of the vessel, such as submerged obstructions, land, rocks, and more (Guardian Objects). You can also
select Guardian Objects and how far in front of the vessel the area will be scanned based on distance or time.
NOTE: C-MAP by Jeppesen must be selected as the map source to enable this feature.
Turn on Guardian
1. Press the HOME key.
2. Select Settings > Navigation.
3. Select Guardian. Tap the on/off button, or press the ENTER key, to turn it on.
Use the Guardian Options default settings, or use the menus in this section to set how the area is searched (Search
Parameter, Search [Time] or Search [Distance], and Guardian Objects).
Turn on the Alarm
1. Press the HOME key.
2. Select Alarms > Navigation.
3. Select Guardian Alarm. Tap the on/off button, or press the ENTER key, to turn it on.
Display the Guardian Area Overlay
When the overlay is turned off, the scan area is shown only when a danger is detected.
When the overlay is turned on, the scan area is displayed at all times. The scan area is displayed in yellow on the chart. When a
potential danger is detected, the scan area will turn red.
1. With a Chart View displayed on-screen, tap Chart in the status bar, or press the MENU key.
2. Select Chart Options > Overlays > Vessel.
3. Select Guardian Area.
4. Tap the check box, or press the ENTER key, to add a check mark and make it visible on the view.
Navigation Alarms
Chart View with Guardian Area Overlay Turned On (C-MAP by Jeppesen)
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potential danger
detected
guardian scan area
(purple)