3 K249 Issue No. 4EnglishFigure 1 - DPI 610/615 Key-padDISPLAYThe display section of the instrument basically divides into four distinct sections.The two main sections of the display are used to display a Measurand (inputparameter) and a Source (output parameter). The remaining sections are used as astatus display area and to define soft key functions. A typical display is shownbelow (e.g.),OPERATOR CONTROLS (Figure 1)These divide into two groups, the operator/display controls (shown in Figure 1) andthe pressure/vacuum generation components (shown in Figure 2). The operatorcontrols and a typical display, common to all instrument versions, is shown below.INTRODUCTION Summary of Functions

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