ALTANA Byko-Test MP0R - Manual (Page 16)

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3. Perform about 5 measurements on the uncoated specimen.
After each measurement, the current reading will appear on the display.
Note: If you want to delete wrong readings, press button [ESC]. Then, the complete data memory will be
deleted, but the normalization routine will not be interrupted. After that, perform five more measurements.
4. Press button [OK].
By pressing button [OK], the mean value of all readings will be calculated and used for normalization.
Thus, a good normalization is possible on rough surfaces as well. The mean value is set to zero.
The reading 0.00 will appear on the display.
Finished.
Note: the function „Normalization“ can be locked to protect the instrument from unintended interventions.
Cf. Chapter 13 „Service menu“. If the normalization is called while the function lock
(display: ) is active, the error note „Er29“ will appear on the display.