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The main keyboard functions are shown in Figure 1.2 (indicated by the
numerical call-outs). These are as follows:
1.
Display - 20-character, 2-line LCD
2.
Soft key 1 - Function varies depending on screen; generally Escape,
Back Up, or Clear
3.
Soft key 2 - Function varies depending on screen; generally Enter,
Accept, or Continue
4.
Scroll keys - Used to scroll through menus and enter numeric values
5.
Wavelength controls - Increase and decrease the wavelength settings
6.
0 Abs/100%T - Automatically sets the instrument to zero absorbance
(100%T)
7.
A/T/C - Switches between absorbance, %transmittance, and
concentration modes
1 - 3
Figure 4-2 - Keyboard Layout
Description
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