EN-42
9. Briefly press the left knob (C) to return to the top
level of the settings menu.
10. Rotate the left knob (C) to scroll to 'EXIT'.
11. Briefly press the left knob (C) to return to the main
operating screen.
Note: There is not an icon on the display to
indicate that the unit has been reset to factory
default settings.
Guardian 7000 Series