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CALIBRATION PROCEDURE
11
3. Press the
ZERO
key. If no error messages appear, your unit is
calibrated. (For a description of error messages see ERROR
MESSAGES section).
Note:
The 0.0 screen will remain until a sample is measured or
the instrument is turned off.
4. Gently absorb the ZERO water standard with a soft tissue. Use
care not to scratch the prism surface. Wipe off the surface
completely. The instrument is ready for sample measurement.
Note:
If instrument is turned off the calibration will not be lost.