NEC 200 - Handbuch (Seite 24)

Factory Preset
Selecting Factory Preset allows you to reset all OSM control settings
back to the factory settings. The following warning statement will
appear to confirm that you do want to reset ALL settings. The RESET
button will need to be held down for several seconds to take effect.
Individual settings can be reset by highlighting the control to be reset
and pressing the RESET button.
WARNING
ABOUT TO RESET
ALL SETTINGS
Press:
RESET-Reset
EXIT-Cancel
OSM Control Menus E - 19