FULL SCALE GAUGE DISPLAY DEVICE AND PARTIAL GAUGE DISPLAY DEVICE USING SCALING FUNCTION OF WAVEFORM OBSERVATION DEVICE

摘要

PURPOSE:To eliminate change in display density of waveform data before and after scaling by a method wherein a concrete expression is determined by determining a required constant for a scaling expression while range and offset are determined before a gauge basic value is scaled. CONSTITUTION:A gauge display determining means 38 is used to determine whether gauge display is necessary, and then a scaling setting determining means 40 is used to determine whether scaling setting exists. When scaling is to be done, by determining a required constant to be used for an expression by a scaling expression constant setting means 42, a concrete expression is determined. Further, range and offset set by a range.offset reading means 44 are read to determine them. Then, a range division value creating means 46 is used to create a gauge basic value before scaling from the range and offset previously read, and the gauge basic value is scaled to create a gauge graduation indication value by a gauge graduation indication value creating means 48 so that gauge graduations are created by a gauge graduation creating means 50 to display the scaled gauge on a display 22.