Manual

Functional description
20 Two-channel digital Oscilloscopes
Functional description
I - VERTICAL system / MATHematics function
4. MATH menu
MATH displays the results of +, -, *, /, and FFT operations on channels CH1
and CH2.
Press the MATH key to access the MATHematics menu.
Menu
Function
Values
Description
Operation
+, -, *, FFT
Choice of the MATHematics function.
Invert
On
Off
Invert the MATH trace.
Deactivate the inversion of the MATH trace.
Turn the adjust knob to adjust the vertical
position of the MATH trace
Turn the adjust knob to adjust the vertical scale
of the MATH channel.
Instruction
Operation
Values
Description
+
CH1+CH2
CH1 is added to CH2.
-
CH1-CH2
CH2 is subtracted from CH1.
CH2-CH1
CH1 is subtracted from CH2.
*
CH1*CH2
CH2 is multiplied by CH1.
/
CH1/CH2
CH1 is divided by CH2.
CH2/CH1
CH2 is divided by CH1.
FFT
Fast Fourier Transform.