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10. Correction functions
– To switch on the photometer, open the cover.
1
– Press
.
– In the setup menu, call up the meter setup submenu.
The following display appears:
The following display appears:
10.1 Blank value
The blank value (= reagent blank value) for each
method is stored in the photometer. When the blank
value function is active, the stored value is ignored
and the measured value of a self-prepared reagent
blank solution is used instead.
This procedure increases the measuring accuracy for
some tests (for more information, see part "Analytical
procedures").
A blank value is always stored for the method that was
just called up. A maximum of 10 measured blank
values can be stored, each of which is permanently
assigned to a method.
A blank value remains stored until it is erased (menu
item, erase blank value) or overwritten.
– Call up the correction funct. submenu.
Select the correction function:
l
blank value
l
reference absorbance
l
turbidity correct.
1
– Confirm with
.
The reset setup function sets the blank value to off.
The stored blank values, however, remain stored.
The reset total function resets all settings and blank
values at once.
If a measured blank value is stored and the blank
value function is active for a method, this blank value
is used for determining the measured value and the
measured value is documented accordingly.
The blank value function is not active when delivered.
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