Model 2010D Calibration Setup Page 6-
[5] Upon completion, press the End Sequence button. You will
be prompted to save the information or not. The cursor
will be on the "Y" for saving. Press the Enter button and
the initialization will be saved. If you wish to discard
the new initialization, arrow to the "N" and press the
Enter button.
Upon saving, the time and date are written to the internal
battery backed clock.