Fluke 124 — руководство пользователя по выбору диапазонов и настройкам [26/86]

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Fluke 123/124

Users Manual

Selecting Auto/Manual Ranges

Press to automatically adjust the position, range,

time base, and triggering. This assures a stable display

on nearly all waveforms. The bottom line shows the range,

the time base for both inputs, and the trigger information.

Press

a second time to select the manual range.

MANUAL appears at the bottom of the reading area.

Changing the Graphic Representation

on the Screen

From Auto range, you can use the light-gray rocker keys

to change the graphic representation on the screen

manually.

Changing the Amplitude

 Enlarge the waveform.

 Reduce the waveform.

Available settings are from 5 mV/div to 500 V/div when

using the test leads.

Observe that AUTO at the bottom of the reading area

disappears to indicate that the continuous Auto Set

function is not valid anymore.

Changing the Time Base

 Increase the number of periods.

 Decrease the number of periods.

Available settings are from 20 ns/div (Fluke 123) or 10

ns/div (Fluke 124) to 5 s/div in normal mode.