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Chapter 2 To Set the Vertical System RIGOL
MSO8000 User's Guide 2-7
Ta b l e 2-2 Probe Ratio
Menu
Attenuation Ratio
(display amplitude of the signal: actual amplitude
of the signal)
0.01X
0.02X
0.05X
0.1X
0.2X
0.5X
1X (default)
2X
5X
10X
20X
50X
100X
200X
500X
1000X
2000X
5000X
10000X
20000X
50000X
0.01:1
0.02:1
0.05:1
0.1:1
0.2:1
0.5:1
1: 1
2: 1
5: 1
10:1
20:1
50:1
100:1
200:1
500:1
1000:1
2000:1
5000:1
10000:1
20000:1
50000:1
Note: After the oscilloscope auto-recognized certain probes with a f ixed attenuation
ratio, the probe ratio will also be auto recognized. You do not have to set it
manually.
I nput I mpedance
To reduce the circuit load between the oscilloscope and the circuit under test, this
oscilloscope provides two input impedance modes: 1 MΩ (default) and 50 Ω.
1 MΩ: The input impedance of the oscilloscope is very high, and the current
flowed from the circuit under test can be ignored.
50 Ω: makes the oscilloscope match with the device whose input impedance is
50 Ω.
Press 1 to open the setting menu of CH1. Then, press I mpedance continuously to
select the input impedance of the oscilloscope. If you select "50 Ω", the channel
status label at the bottom of the screen will display the icon
.
Note:
After the oscilloscope recognizes the probe automatically, the input impedance
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