Factory Defaults; Leaving Dealer Calibration - Raytheon ST60 Owner's Handbook Manual

Chapter 4: Calibration

Factory defaults

You can use this screen to reset the operating parameters to the factory
default values. If you want to apply the factory defaults, ensure the
display shows YES, but if you want to retain the current values, ensure
that the display shows NO. Use the track and reset keys to make the
required selection.
If you have selected YES, the factory defaults will be applied when you
exit this screen.

Leaving Dealer calibration

Hold down the
exit Dealer calibration and resume normal operation.
and keys for 2 seconds to save your settings,
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