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Figure 36: DC Coupling
7.1.2 Open and Close Settings on Channel
With CH1 taken for example
.
*
Press
F2
Channel key first, and then
OFF
to make a Close setting on
CH1
.
*
Press
F2
Channel key first, and then
ON
to make an Open setting on
CH1
.
7.1.3 Setting the probe attenuation
To prevent excessive input voltage, we recommend you to set the probe attenuation level to the 10X position
to prevent excessive voltage. After attenuating the probe level by 10X, you also need to magnify the display
level by 10X to match the displayed amplitude with the real amplitude.
Press
F3
Probe to adjust the probe attenuation level.
Table: Probe attenuation level and the corresponding menu setting
Probe attenuation level
Corresponding Menu Setting
1:1
1X
10:1
10X
100:1
100X
1000:1
1000X
7.1.4 Setting of Inverted Waveform
Inverted waveform: The displayed signal reverses 180°.
Press
F4
Invert to start Invert; press
F4
Invert again to close Invert.
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