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To Set the Vertical System
Menu
5000X
10000X
20000X
50000X
NOTE
After the oscilloscope auto-recognized certain probes with a fixed attenuation ratio, the probe
ratio will also be auto recognized. You do not have to set it manually.
5.8
Input Impedance
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
the input impedance of the oscilloscope. If you select "50Ω", 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 will also
be auto recognized. You do not have to set it manually.
•
The setting of the input impedance will affect the ranges of channel vertical scale and
offset.
5.9
Waveform Invert
Press
disable the waveform invert. When enabled, the channel label is displayed, as shown
in the following figure.
54
Attenuation
(display amplitude of the signal under test: actual
amplitude of the signal under test)
5000:1
10000:1
20000:1
50000:1
to open the CH1 setting menu.Then, press Impedance continuously to select
to open the CH1 setting menu. Then, press Invert continuously to enable or
.
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