Get Acquainted w
ith the Instrument
6. Turn the upper m
ultipurpose knob a,
when activated, to move a cursor, to set
a numerical parameter value for a menu
item, or to sel
ect 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.
7. Zoom button
. Push to activate zoom
mode.
8. Pan (outer knob). Turn to scroll the zoom
window through the acquired waveform.
9. Zoom (inner knob). Turn to control the
zoom fact
or. Turning it clockwise z ooms
in further. Turning it counterclockwise
zooms out.
10. Play-pause button. Push to start or stop
the automatic panning of a waveform.
Control the speed and direction with the
pan knob.
11. ← Prev. Push to jump to the previous
waveform mark.
12. Set/Clear Mark. Push to establish or
delete a waveform mark.
13. → Next. Push to jump to the next
waveform mark.
14. Horizontal Position. Turn to adjust
the trigger point location relative to the
acquired waveforms. Push Fin e to ma ke
smaller adjustments.
15. Horizontal Scale. Turn to adjust the
horizontal scale (time/division).
MDO4000 Series Oscilloscopes User Manual 39
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