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1：First set the oscilloscope to Auto trigger mode(The default is Auto trigger
mode after booting)
2：The oscilloscope is set to 1X position (the default is 1X position after power
on)
3：The oscilloscope is set to AC coupling mode
4：Plug in the p robe,And turn the switch on the probe handle to the 1X position
5：Make sure the amplifier is turned on and working and is outputting audio
signals
6：Connect the probe clip and the probe to the 2 wire output terminals o f the
power amplifier, without distinguishing between positive and negative
7：Press the [AUTO] button once,The waveform output by the power amplifier
is displayed,If the waveform after AUTO adjustment is too large or too small,If
the waveform is too large or too small, p ress [S] [ns] [V] [mV] on the panel，
Four buttons zoom in or zoom out the waveform
Automotive communication signal/bus signal measurement
Gear selection:Communication signals for automobiles are generally lower than
20V,The highest test of 1X gear is 40V,Therefore, 1X gear is sufficient for
testing car communication signals(Probe and oscilloscope are both set to 1X
gear).
1：First, set the oscilloscope to Normal trigger mode. Normal trigger mode is
specially used to measure non-periodic digital signals. If you use Auto trigger
mode, you cannot catch non-periodic signals.
2：Set the oscilloscope to 1X gear
3：The oscilloscope is set to AC coupling mode
4：Plug in the p robe,And turn the switch on the probe handle to the 1X position
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