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Commonly used circuits and test methods
Battery or DC voltage measurement
Gear selection:The battery voltage is generally below 40V Other DC voltages
are uncertain,Need to adjust the gear according to the actual situation,If it is
lower than 40V, use 1X gear,Use 10X gear when higher than 40V(Probe and
oscilloscope are set to the same file)
1：First set the oscilloscope to Auto trigger mode,Auto trigger mode is used to
test periodic signals(DC voltage is a periodic signal)
2：Set the oscilloscope to the corresponding gear
3：The oscilloscope is set to DC coupling mode
4：Plug in the probe,And flip the switch on the probe handle to the
corresponding gear
5：Ensure that the battery is charged or the DC voltage has a voltage output
6：Connect the probe clip to the negative pole of the battery or the negative pole
of the direct current,The probe is connected to the battery or direct current
positive
7：Press the [AUTO] button once,The DC signal is displayed,Note: Battery
voltage or other DC voltages are all DC signals.There is no curve
waveform,There is only one straight line offset up and down
Crystal oscillator measurement
Gear selection:The crystal oscillator can easily stop oscillating after
encountering the capacitor.The input capacitance of 1X probe is as high as
100~300pF,The 10X gear is around 10~30pF,It is easy to stop vibration in 1X
gear,So it needs to be set to 10X gear,That is, the probeand the oscilloscope
must be switched to the 10X gear,(Probe and oscilloscope are set to 10X file)
1：First set the oscilloscope to Auto trigger mode,Auto trigger mode is used to
test periodic signals(Crystal resonant sinusoidal signal is a periodic signal)
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