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O
C
PEN AND
LOSE
CH1 will be used in this example.
Press the F2 Channel key and then OFF to Close CH1.
Press the F2 Channel key and then ON to Open CH1.
S
ETTING THE PROBE ATTENUATION
To prevent excessive input voltage, set the probe attenuation level to the 10X
position.
Next, magnify the display by 10X to match the displayed amplitude to the actual
amplitude.
Press F3 Probe to adjust the probe attenuation level.
Table: Probe attenuation level and the corresponding menu setting
Probe attenuation
level
1:1
10:1
100:1
1000:1
Figure 21: DC Coupling
M
C
EASUREMENT
HANNELS
Corresponding Menu Setting
1X
10X
100X
1000X
32
V5.1 ‐ March 2010
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