Jenway 73 Series PC software - Manual (Page 26)

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Click on the Standard button.
The instrument will take a
reading and calibrate to the
standard concentration.
Once the calibration is
complete the Read and Auto
Log buttons are active and
the sample can be
measured.
If the settings menu is re-entered following the standard calibration it is possible to change the
wavelength. However a warning will be displayed to warn that critical settings are being changed after
the zero calibration has been performed.
To continue click Yes, to cancel click No or Cancel.
If the wavelength is changed then the zero and standard calibration must be performed again at the
new wavelength, before a sample can be measured. Alternatively a new concentration tab can be
opened and the required settings can be entered.