Tektronix MDO4054-3, Руководство пользователя, Страница: 58 / 222

Get Acquainted with the Instrument
6. Turn the upper multipurpose knob a ,
when activated, to move a cursor, to set
a numerical parameter value for a menu
item, or to select from a pop-out list of
choices. Push the
Fine button to toggle
between coarse and fi ne 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 factor. Turning it clockwise zooms
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
Fine to make
smaller adjustments.
15. Horizontal Scale . Turn to adjust the
horizontal scale (time/division).
MDO4000 Series Oscilloscopes User Manual 39