Get Acquainted w
ith the Instrument
Using Spectral Analysis Controls
These buttons configure the acquisition and display of the RF input.
1. RF.Pushtobri
ng up the frequency
domain display and menu. The RF menu
provides access to the Spectrogram
display.
2. Freq/Span.
Push to specify the portion
of the spectrum to view on the display.
Set the center frequency and the span –
or set the st
art and stop frequency.
3. Ampl. Push
to set the reference level.
4. BW. Push t
odefine the resolution
bandwidth.
5. Markers.
Push to set automatic or
manual markers.
Using Other Controls
1. Cursors. Push once to activate the two vertical cursors. Push again to turn off all cursors. Push and hold to bring up the
cursor menu. Use the menu to select the cursor features, suc h as type, source, orientation, linked status, and units.
When the c ursors are on, you can turn the multipurpose knobs to control their position.
2. Turn the upper multipurpose knob a, when activated, to move a c ursor, to set a numerical parameter value for a m enu
item, or to select from a pop-out list of choices. Push the Fine button to toggle between coarse and fine adjustment.
Screen icons tell you when a or b are active.
3. S elect. Push to activate special functions.
MDO3000 Series Oscilloscopes User Manual 41
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