Fluke 124 FE 123 & 124 Users Manual - Page 34

Selecting AC-Coupling, Reversing the Polarity of the Displayed, Waveform, Open the SCOPE INPUTS menu.

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Fluke 123/124 Users Manual Selecting AC-Coupling Use AC-coupling when you wish to observe a small AC signal that rides on a DC signal. Open the SCOPE INPUTS menu. Reversing the Polarity of the Displayed Waveform To invert the input A waveform, do the following: Open the SCOPE INPUTS menu. Highlight AC. (4x) Accept AC-coupling for INPUT A. Select NORMAL (of INPUT A). Highlight INVERT. (3x) Accept inverted waveform display. For example, a negative-going waveform is displayed as positive-going, providing a more meaningful viewing perspective in some cases. An inverted display is identified by trace identifier A on left of the waveform area. 26

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Fluke 123/124
Users Manual
26
Selecting AC-Coupling
Use AC-coupling when you wish to observe a small
AC
signal that rides on a DC signal.
±
Open the SCOPE INPUTS menu.
²
Highlight AC.
³
(4x)
Accept AC-coupling for INPUT A.
Reversing the Polarity of the Displayed
Waveform
To invert the input A waveform, do the following:
±
Open the SCOPE INPUTS menu.
²
Select NORMAL (of INPUT A).
³
Highlight INVERT.
´
(3x)
Accept inverted waveform
display.
For example, a negative-going waveform is displayed as
positive-going, providing a more meaningful viewing
perspective in some cases. An inverted display is
identified by trace identifier
A
on left of the waveform
area.