User Manual – Rev AY AMETEK Programmable PowerMX Series 1374.6.2.2 Analyzing waveform dataThe data displays available for acquired waveform data allow you to scroll through the entireacquisition buffer. For waveform displays, the knob can be used to scroll through the displayhorizontally. The UP and DOWN cursor keys have no effect in this display mode.CounterClockwiseClockwiseINCRDECRFigure 4-38: Scrolling Through Acquired Waveform DataThe acquisition buffer may be longer than the selected horizontal scale in which case only aportion of the acquisition window will be visible. The left portion of the LCD display is used to readout the data under the vertical cursor. This cursor is a dotted line that can be moved using theknob. If the left or right edge of the display window is reached, the entire display will shift so thecursor always remains visible. The time from the trigger point to the vertical cursor is displayed inthe left hand portion of the LCD in ms. Also displayed here are the absolute voltage and/orcurrent value under the cursor.To change the horizontal display scale without re-triggering an acquisition, press the ENTER keyto return to the HARMONICS/TRACE ANALYSIS screen, change the SCALE value, move thecursor to the VIEW field and press ENTER. This will display the same data set at the new scalewithout triggering a new acquisition.Readouts on theleft track thevertical cursorposition on thewaveform.Trigger point isat 0.0 ms.