Zoom
TDS 620A, 640A, & 644A User Manual
NOTE
Although zoom must be turned on to control which waveforms zoom
affects, the setting for Horizontal Lock affects which waveforms
the horizontal control positions whether zoom is on or off. The rules
for the three settings are listed in step 2.
Only the selected
waveform (the top one)
changes size.
Figure 3-86: Zoom Mode with Horizontal Lock Set to None
Setting Interpolation
To change the interpolation method used:
Press DISPLAY Filter (main) Sin(x)/x Interpolation or Linear Inter-
polation (side).