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Getting acquainted with your instrument
Zoom user interface
Use the zoom tools to magnify waveforms to view signal details.
1. The Zoom Overview shows the entire waveform record. All waveforms are shown in Overlay mode in the Zoom Overview area. Using
pinch and expand gestures on the Zoom Overview waveforms changes the horizontal time base settings.
2. The Zoom Box shows the area of the Zoom Overview to display in the Zoom View (see 5). You can touch and drag the box to move
the area to view. Moving the Zoom Box, or changing its position, does not change the horizontal time base settings. You can also use
the zoom Pan knob to move the Zoom Box left or right.
3. The Zoom icon (in the upper right corner of the Waveform View) switches zoom mode on and off.
4. The DRAW-A-BOX button toggles between drawing a zoom box (default mode), drawing areas for the Visual Trigger function,
drawing segments for Mask testing, and drawing the Waveform Histogram for waveform analysis. The button is located at the bottom
of the Results Bar.
A zoom box lets you quickly draw a box around an area of interest in the Waveform or Zoom Overview. Drawing a box immediately
puts the oscilloscope into zoom mode. To draw a zoom box, tap the DRAW-A-BOX button (while in Zoom mode), then touch and drag
on the waveform to draw a box waveform. You can continue to draw zoom boxes until you single tap anywhere on the screen or open a
menu.
To toggle between Zoom mode, Visual Trigger mode, and Mask mode, double-tap the DRAW-A-BOX button and select one of the
options. Search for the Visual Trigger and Mask Testing topics in the oscilloscope Help for more information.
5. The Zoom View shows the zoomed waveforms, as marked by the Zoom Box, in the Zoom Waveform Record View. Use pinch and/or
drag options in the zoom view to change the zoomed area of interest. Pinch, expand, and drag gestures in the Zoom View only change
zoom magnification settings and Zoom Box position.
6. Use the Zoom Title Bar controls to adjust the vertical and horizontal size of the zoom area. Click or tap the + or - buttons or use the A
and B multipurpose knobs.
In a waveform view, if both Cursor and Zoom are turned on, use the Zoom Box and Cursors button to change the multipurpose knob
functionality. Tap the Zoom Title Bar to assign the knobs to adjust the zoom or tap the Cursors button to assign knobs to adjust the
cursors.
Double tap the Horizontal Zoom Position or Horizontal Zoom Scale fields to enter a value using a numerical keypad.
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