VWR International 634-6002, Инструкция по эксплуатации

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2) Set Wavelength. Press to go into wavelength setting interface, press
, to select measure method and press to confirm. Input the
value of the wavelength and press to confirm.
3) Blank. Put the Reference Sample in the light path and press to do
blank.
4) Setup Standard Samples. Press to setup standard, input the
concentrations of corresponding standard samples according the indication
and press to confirm. Users can use , to choose the value
you just input and press to delete, then input a new value, press
to confirm. Press to cancel after all the input.
5) Calibrate Standard Samples. Put the corresponding standard samples in the
light path as the screen indicates and press to measure. Then the
Abs. value would appear in the corresponding table.