Humminbird ONIX Operating Manual page 115

Set the Guard Zone
If you turned on the Guard Zone alarms in the Alarms tool, use this section to display the Guard Zone and adjust the settings that
will trigger the alarm. The settings in this section are optional. You can turn on the Guard Zone alarms and receive alerts using the
control head default settings.
1. Press the HOME key.
2. Open a Radar View.
3. Tap Radar in the status bar, or press the MENU key once.
4. Select Guard Zone.
5. Turn on Circle or Sector. (Tap the on/off button, or press the ENTER key, to turn it on.)
6. Select Adjust Circle or Adjust Sector.
Circle (radius): Use the Joystick to adjust the radius. Press the ENTER key to set the guard zone. A preview of the guard zone
will be highlighted between the dotted lines.
Sector (angular): Use the Joystick to move the cursor to a position on the Radar View. Press the ENTER key to select the
first corner of the guard zone. Repeat to select the second corner of the guard zone. A preview of the guard zone will be
highlighted between the dotted lines.
7. Select Alarm Type.
8. To receive an alert when a target enters the guard zone, select Entry Alarm.
To receive an alert when a target leaves the guard zone, select Exit Alarm.
9. Select the Back icon to return to the previous menu.
10. Select Alarm Sensitivity to adjust the sensitivity to targets in the guard zone. Press and hold the slider, or turn the Rotary dial,
to adjust the range, where 1 = low sensitivity and 10 = high sensitivity.
Turn off the Guard Zone
1. Press the HOME key.
2. Open a Radar View.
3. Tap Radar in the status bar, or press the MENU key once.
4. Select Guard Zone.
5. Select Circle, and turn it off.
Select Sector, and turn it off.
115 Radar Alarms