Owner's manual

Page 24
Calibration
4650098 operation.fm
Section 2, continued
17. Press READ. The instrument will count from 60 to 0 (67 to 0 if signal average is
on). The display will increment back to the S0 display. Remove the sample cell
from the cell compartment.
18. Press CAL to accept the calibration. The instrument will return to measurement
mode automatically.
Note: If calibration errors occurred during calibration, error messages will appear after CAL is pressed.
Note: The standards must have a difference of at least 60 NTU.