
2-6
(c) Expansion of Y Axis
Numeric values can be input to specify a desired expansion range for
the ordinate.
(3) Smoothing
A spectrum with a large noise level can be corrected to form a smooth
curve.
(4) Differentiation
The data of a spectrum currently displayed on the LCD are differentiated.
First order derivatives may be obtained.
2.4.5 Automatic Calibration and Self – Diagnosis Functions
(1) Memory (RAM and EPROM) check
(2) Wavelength drive mechanism check
(3) Lamp ignition check
(4) Automatic wavelength calibration
The wavelength is automatically calibrated with reference to the beam
emitted from the D
2
lamp.
(5) Baseline Correction