Users Manual Part 2

106
NOTE
The math channel is only available via USB connection.
The oscilloscope has a set of built-in math channels for the most important
functions:
Turnover: reverses the signal polarity to turn the waveform upside down on
the screen
A+B: channel A plus channel B
A-B: channel A minus channel B
A*B: multiply channel A by channel B
A/B: channel A divided by channel B
Frequency: the frequency of the signal
Pulse Width (+): the positive pulse width
Pulse Width (-): the negative pulse width
Duty Cycle (+): the positive duty cycle
Duty Cycle (-): the negative duty cycle
To set the math channel
Using Invert A as an example.
1. Tap Settings button in the top navigation bar. A dialog box opens.
2. Select the Math Channels option in the dialog box.
3. To select the Invert A, tap the check box.