Table of Contents 673 Electronic & Computer Controlled Systems Repeating vs. Changing Patterns ....................................................... 39 Capturing Waveforms ......................................................................... 40 Scope Pattern Comparison ................................................................. 41 The Effect of Scale .............................................................................. 42 Trigger Function .................................................................................. 43 Other Trigger Uses ............................................................................. 44 Section 4:
Using Section 4 Topics ................................................................................. 45 Introduction to PicoScope ™ ................................................................ 46 a PicoScope™ Connecting the Leads ..................................................................... 46 PicoScope Toolbars ............................................................................ 47 PicoScope Features ........................................................................... 48 Auto Voltage Scale .........................................................................
48 Auto Setup ...................................................................................... 48 Manual Voltage Scale Settings ....................................................... 49 Manual Time Scale Settings ........................................................... 49 Turning the Trigger On ................................................................... 50 Setting the Trigger .......................................................................... 51 Start and Stop Capturing ................................................................ 52 Horizontal Zoom .............................................................................
53 Rulers ............................................................................................. 54 Add Measurement .......................................................................... 56 Sample Rate ................................................................................... 57 Displaying Two Channels ............................................................... 58 Separating the A-B Traces ............................................................. 59 Printing, Saving and Sending Patterns ........................................... 60 Ground Plane Issues ..........................................................................
61 PicoScope Over Voltage Protection ................................................... 62 Section 5: Using an Inductive Section 5 Topics ................................................................................. 65 The Inductive Clamp ........................................................................... 66 Clamp Polarity ............................................................................................ 66 Current Rating ................................................................................ 67 Preparation for Use .........................................................................
68 Converting Measurements to Amps ............................................... 69 Amp Clamp Applications ..................................................................... 71 Diagnosing Short Circuits and Parasitic Draw ................................ 71 Diagnosing Motor Faults with an Oscilloscope ............................... 72 Fuel Pump Diagnosis ...................................................................... 73 Determining Fuel Pump Speed ....................................................... 74 ii Technical Training