Noise Reduction; Glitch Display - Fluke 123B User Manual

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123B/124B/125B
Users Manual

Noise Reduction

To view the waveform without higher frequency noise:
1.
Push  to open the Scope and Meter button bar.
2.
Push 3 to open the INPUT SETTINGS menu.
YZ
3.
Use
to highlight the Noise filter as ON.
4.
Push  to make the change.
This noise filter is a 10 kHz bandwidth limit filter.
24
hxv15.eps

Glitch Display

By default, the displayed waveform shows glitches. For
each time position the minimum and maximum values
since the last time position are shown. A glitch of 25 ns or
wider is still visible on the screen even when using a
slower timebase.
To disable this feature and see one sample/channel for
each sample time:
1.
Push  to open the Scope and Meter button bar.
2.
Push 2 to open the SCOPE menu.
YZ
3.
Use
to highlight the Type as Glitch Off.
This feature will be turned off for both channel A and
channel B.
4.
Push  to make the change.
5.
Push 4 to exit the menu.

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