- 7 -
Black calibration:
Put the instrument testing aperture aim at the aperture of black cavity correctly and
press
“
Enter” , then “black calibration is over” will be displayed in status bar after
the buzzing.
White calibration:
Put the testing aperture on the white tabula completely and press button “enter”,
then “whole white calibration is over” will be displayed in status bar after the
buzzing.
