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The description of the Channel Menu is shown as the following list:
Function
Menu
Coupling
Inverted
Probe
MeasCurr
To set channel coupling
►
Taking the Channel 1 for example, the measured signal is a square wave
signal containing the direct current bias. The operation steps are shown as
below:
Press the CH1 MENU button and call out the CH1 SETUP menu.
Press the H1 button, the Coupling menu will display at the screen.
Press the F1 button to select the Coupling item as "DC". Both DC and
AC components of the signal are passed.
Then, press F2 button to select the Coupling item as "AC". The direct
current component of the signal is blocked. The waveforms are shown
as Figure 15.
June 2016
Setting
Pass both AC and DC components of the input signal.
DC
Block the DC component of the input signal.
AC
Disconnect the input signal.
GROUND
OFF
Display original waveform.
ON
Display inverted waveform.
X1
X10
Match this to the probe attenuation factor to have an
X100
accurate reading of vertical scale.
X1000
If you are measuring current by probing the voltage
Yes / No
drop across a resistor, choose YES.
Figure 15. AC Coupling Oscillogram.
Description
19
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