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Fluke 123
Users Manual
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Open the SCOPE INPUTS menu.
Open the PROBES submenu.
Highlight PROBE AC ADJUST.
Open the PROBE AC ADJUST submenu.
Highlight ADJUST 10:1 PROBE.
A square wave appears on the screen.
Adjust the trimmer screw in the
probe housing to give an optimum square wave.
Return to normal mode.
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