Fluke Biomedical 190M III Series, Руководство пользователя

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190M Series III
Users Manual
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3. Use the cursor and
E
to select Glitch: Off , then select Average: On... to open the
AVERAGE menu.
4. Use the cursor and E to select Average 8 .
See Using Average for Smoothing Waveforms .
Glitch capture and average do not affect bandwidth. Further noise suppression is possible with
bandwidth limiting filters. See
Noisy Waveforms .
Waveform Acquisition
Set the Acquisition Speed and Waveform Memory Depth
To set the acquisition speed, do the following:
1. Press
P
to show the SCOPE key labels.
2. Open the WAVEFORM OPTIONS menu with
4
.
3. Use the cursor and E to select Acquisition: .
a. Fast - for fast waveform update rate; shortest record length, decreased zoom rate, no
readings possible.
b. Full - maximum waveform detail; 10 000 samples per waveform record length, maximum
zoom rate, lower waveform update rate.
c. Normal - optimal waveform update rate and zoom range combination.
4. Use 4 to exit the menu.
See the 190 Series III Product Specifications at www.fluke.com for the record length on all
models.
AC-Coupling Selection
After a reset, the test tool is dc-coupled so that ac and dc voltages appear on the screen. Use ac-
coupling when you wish to observe a small ac signal that rides on a dc signal.
To select ac-coupling, do the following:
1. Press
A
to show the INPUT A key labels.
2. Press 2 to highlight AC .
Observe that the bottom left of the screen shows the ac-coupling icon: .
You can define how Auto Set affects this setting, see Auto Set Options .