RIGOL DS1000B - Manual (Page 44)

RIGOL
User’s Guide for DS1000B series 2-14
Math Function
The mathematic functions include “add”, “subtract”, “Multiply” and “FFT” for CH1,
CH2, CH3 and CH4. The mathematic result can be measured by the grid and the
cursor.
Press MATH button to enter “Math” menu, meanwhile, sign of math scale will appear
under the screen. See figure below, waveform of CH1 is marked yellow, waveform of
CH2 is marked blue, and waveform of CH1 adding CH2 is marked purple.
Figure 2-15 Math function
Figure 2-16 Table 2-6 The Math menu (Page 1/2)
Menu Settings Comments
Operate
A+B
A-B
A×B
FFT
Add source A and source B.
Subtract source B from source A.
Multiply source B by source A.
Fast Fourier Transform.
Source A
CH1, CH2,
CH3, CH4
Define CH1, CH2, CH3 or CH4 as
source A.
Source B
CH1, CH2,
CH3, CH4
Define CH1, CH2, CH3 or CH4 as
source B.
Invert
ON
OFF
Invert the MATH waveform.
Restore to original waveform display.
Math Scale