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SIGLENT
SDS2000X User Manual 27
To Specify Probe Attenuation Factor
Set the probe attenuation factor to match the type of the probe that you are using to
ensure correct vertical readouts.
Press the CH1 button on the front panel; then press the Probe softkey and turn the
Universal Knob to select the desired value and push the knob to confirm. The default
setup is 1X.
The current probe attenuation factor is displayed in the channel label at the right side of
the screen. You can also press the Probe softkey continuously to switch the probe
attenuation factor.
The table shows the probe attenuation factor
Menu
Attenuation Factor
0.1X
0.1 : 1
0.2X
0.2 : 1
0.5X
0.5 : 1
1X
1 : 1
2X
2 : 1
…
…
5000X
5000 : 1
10000X
10000 : 1
To Specify channel Input Impedance
The channel input impedance matching gives you the most accurate measurements
because reflections are minimized along the signal path.
The 1MΩ Impedance setting is for use with many passive probes and for
general-purpose measurements. The higher impedance minimizes the loading effect
of the oscilloscope on the device-under-test.
The 50Ω Impedance setting matches 50 ohm cables commonly used in making high
frequency measurements, and 50 ohm active probes.
Press the CH1 button on the front panel; then press the Impedance softkey to select the
desired impedance.
The current channel input impedance is displayed in the channel label at the right side of
the screen.
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