User Manual

Use touch screen zoom waveform
3.20 Use touch screen zoom waveform
Using the touch screen can easily zoom waveform to view waveform details, save operation
time. Zooming operation only can be performed in the waveform zooming area.
Please follow these steps to use touch screen enlarge waveform:
1.Press touch screen, select enlarge area in the upper left corner, and then drag the
magnified area at the bottom right corner, rectangular frame appears in picture3-50
Note: Drag the touch screen from left to right to amplify waveform, and drag from right
to left to shrink waveform.
2. Release the touch screen, waveform amplifies automatically. See picture 3-51
Rectangular frame selection：
Zoom ratio is associated with the size of the magnified area. The smaller of the size, the
bigger of the ratio and vice versa. The center position of waveform in magnified zone that
will be moved to the center of screen, vertical position remains the same. Make sure the
position not move while zoom out.