Hantek 6022BE    
 
Turn On/Off: Turn On/Off the MATH Channel.
Source A/B: Set the sources of the math channel.
The mathematic functions include addition, subtract, multiply and division for 
CH1 and CH2.
In this function, use the addition, subtraction, multiplication,division function 
and FFT to operate and analyze the waveform.
Select source A and B. Then adjust the vertical scale and offset to view the 
math channel clearly. The mathematic result can be measured by the 
measure and the cursor.
 The Math Function Display
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The User’s Manual