MACHEREY-NAGEL QUANTOFIX Relax Manual Del Usuario página 76

13.3 Confidence interval
Naturally, test strip results are subject to slight deviations even when they are generated
photometrically. For every test there is a percentage based confidence interval in which the
true value can be found. The instrument can optionally display the confidence interval (in
+/‑ percent) underneath the result after every measurement. To activate or deactivate the
confidence interval, respectively, choose the desired choice button from the option field and
confirm with
If you press
13.4 Correction
Faulty measurement results due to manipulated calibration are the sole responsibility of the
operator of the equipment!
The correction mode allows for the adjustment of the MACHEREY‑NAGEL parameter
calibration and affects the result in terms of an additional calculation step. The menu offers the
opportunity of correcting the result with a linear correction function.
By selecting the correction menu four values appear, that can be edited bychoosing each of
them. Selecting this function always affects the parameter displayed in the strip menu (see
Chapter 13.1 "Test strips").
The meaning of the values A to D is as follows:
A = gradient of the correction function
B = y‑axis intercept of the correction function
C = new lower measurement limit
D = new upper measurement limit
Confirming your entry with
selections is adopted. By pressing the "Reset"‑button the values will be set back to factory
settings.
Once you select one of these values, the input menu appears and you can enter a value
(Restrictions: The value for A must be > 0. Value D must be bigger than value C, if values C
and D are equal to zero, the factory‑provided measuring range will be adjusted depending
upon the entered values for A and B).
Confirming your entry with
will be kept.
The modification of a parameter will be indicated with a star in the parameter list display as well
as on the result display and printout. Also the result in the memory will contain this indication,
which cannot be removed by resetting the values to factory‑settings.
13.5 Password
You can protect access to the instrument settings using a password, thus restricting the
number of user who can access the settings. To install a password, press "On" in the option
field and confirm with
The input menu appears and you can enter a password. Once you leave the settings and then
go back again, the instrument requires the respective password.
Manual QUANTOFIX
76
.
, none of your selections is adopted.
WARNING
stores the settings. If you press
stores the value. If you press
. If you press
Relax EN, V2.00 / 02.22
®
, none of your selections is adopted.
, none of your
, the former value