Instructions
Table Of Contents
- Copyright Declaration
- Contents
- Chapter 1 Introduction
- Chapter 2 Function Introduction
- Chapter 3 Waveform Generator
- Chapter 4 Troubleshooting
- Chapter 5 General Care and Cleaning
- Appendix A: Technical Specifications
- Appendix B: Accessories
- Appendix C Harmful and Poisonous Substances or Elements
- Appendix D To replace the fuse
- Appendix E Open Source Information
Digital Storage Oscilloscope 21
Operation Unit
Addition (+)or subtraction (-) V
multiplication (*)
V∧2
division (/) None
FFT dB, Vrms,
Addition or Subtraction
Math operators perform arithmetic operations - add or subtract operation - on any two
analog input channels. When you select addition or subtraction, the Source A and
Source B values are added or subtracted point by point, and the result is displayed.
1. Press the [Math] button on the front panel to enter the MATH function menu.
2. Press the Source 1 and Source 2 softkey respectively, and then turn the Universal
Knob to select the source to do math operation. Analog channels (CH1~CH4) can be
used as Source 1 or source 2.
3. Press the Operation softkey and then turn the universal to select + or -to make
addition or subtraction operation. The resulting math waveform is displayed on the
screen and labeled with “M”.
Scale: Press the Scale softkey, and then turn the Universal Knob to select the vertical
scale.