Measure EN value of the waveform. The variance shows how much the waveform fluctuates. The calculation formula is as follows: Where Vampi is the amplitude value of the ith point, Average is the average value of the waveform, and n is the number of points measured. 10.3 Cursor measurement Cursor: This method allows the user to take measurements by moving the cursor. Cursors always appear in pairs, and the readings displayed are the measured values. There are two types of cursors: vertical and horizontal. Horizontal cursor: The amplitude cursor, displayed as a horizontal dashed line, is used to measure parameters in the vertical direction. Vertical cursor:
The time cursor, displayed as a vertical dashed line, is used to measure parameters in the horizontal direction. 10.3.1 Vertical Cursor The tracking cursor is displayed as a vertical line on the screen that can measure the vertical parameters of the waveform. The operation steps are as follows: ⚫ Click the Vertical Cursor . ⚫ The Vertical line appears on the screen. ⚫ Drag the vertical line to the position you want to measure. ⚫ The measurement results are displayed in the upper left corner of the screen. Vertical cursor display window: Figure 10.2 Vertical cursor Tablet1000 User manua l Copyright © Qingdao Hantek Electronics Co., LTD 50