User Manual
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1. Vertical Offset Knob: Move the channel waveform up and down on the screen. In dual-window mode, move the
waveform in both windows at the same time in a same direction. Push this knob to return waveform to the vertical center
position on the screen. Two channels correspond to two knobs.
2. VOLTS/DIV Knob: Control the oscilloscope to magnify or attenuate the source signal of the channel waveform. The
vertical size of the display on the screen will change (increase or decrease) to the ground level.
3. Menu (CH1, CH2): Display vertical menu options; turn on or off the display of channel waveform.
DC passes both DC and AC components of the input signal.
AC blocks the DC component of the input signal and attenuates signals below 10Hz.
Ground disconnects the input signal.
Limits the bandwidth to reduce display noise; filters the signal to eliminate noise and other
unnecessary HF components.
Selects the resolution of the VOLTS/DIV knob.
Coarse defines a 1-2-5 sequence. Fine changes the resolution to small steps between the
Coarse settings.
Selects a value according to the probe attenuation factor so as to ensure correct vertical
readouts. Reduce bandwidth to 6MHz when using a 1X probe.
The invert function turns the displayed waveform 180 degrees, with respect to the ground level.
When the oscilloscope is triggered on the inverted signal, the trigger is also inverted.
2.6.2. Math Operation
The scope supports many math operations between analog channels waveform, including addition (+), subtraction (-),
multiplication (*), division (/) and FFT. You can use cursors to measure it. The contents of this chapter:
Units for Math waveform
Math Operators
To Adjust the Math Waveform Scale and Offset
Note: If the analog channel or the math function display is truncated (waveform do not display on the screen completely), the
resulting math will also be truncated.
Addition (+) or subtraction (-)
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