Sokkia CX Series Operator's Manual page 264

33. CHANGING THE SETTINGS
PROCEDURE Initializing the data and turning the power on
1. Turn the power off.
2. While pressing {F1}, {F3} and
{B.S.}, press {ON}.
3. The CX is turned on, "Clearing
memory..." appears on the screen
and all items are restored to their
initial settings.
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