wtw photolab S12 Operating Instructions Manual page 59

8. Analytical Quality Assurance (AQA)
Example:
445-1 nm, theoretical value (absorbance) 0.200,
admissible tolerance ± 0.020
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– Select with or
– Quit via the menu item, return
1
– Confirm with .
– Input the theoretical value, 445-1
1
– Confirm with .
If the standard is already stored, this value appears on
the display.
– Input the tolerance via the numeric keypad
1
– Confirm with .
PhotoCheck standard 445-1 is input.
– Select the next one with
– Input all PhotoCheck standards in this way.
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