Fluke PM3370B user manual Digital Display Windows, 62HOW to USE the Instrument

4 - 62HOW TO USE THE INSTRUMENT

DIGITAL DISPLAY WINDOWS

-Connect the Probe Adjust signal to channels 1 and 2.

-Press AUTOSET.

The screen displays the two Probe Adjust signals in the center of the screen.

-Press the TEXT OFF key, to turn off the bottom text.

-Switch on the channels 3 and 4, when present.

The screen displays two or four traces now.

-Press the DISPLAY key.

-Press the key next to ’WINDOWS’ to ’on’.

The screen is automatically divided into two windows of four or four of two divisions each. Each window displays one trace. Observe that the amplitude of the signal has been adjusted to the actual window space.

1

2

3

4

ST6740

-Turn the Y POS control of channel 2 and observe that you can shift the trace within, but not outside the window.

Use the window function for logic applications where amplitude accuracy is less important than clear timing comparisons.

-Switch the WINDOWS off again.

-Disconnect the probe from channel 2 before continuing to the next section.