Acquiring and Displaying Waveforms
3–56
TDS 500C, TDS 600B, & TDS 700C User Manual
InstaVu mode increases the waveform capture rate to up to 400,000 waveforms
per second (maximum waveform rate depends on oscilloscope model), updating
the waveform array many times between displays. This very fast frame rate
greatly increases the probability that runts, glitches, and other short term changes
will accumulate in waveform memory. The oscilloscope then displays the
waveform at the normal display rate using variable or infinite persistence. You
can control how long the waveform persists on screen by selecting variable
persistence and setting a decay constant.
To turn on InstaVu mode, do either of the two following steps:
1. Press the front-panel button InstaVu. (See Figure 3–28.)
2. Press DISPLAY ➞ Mode (main). Push Mode again to toggle to InstaVu
mode. (See Figure 3–28.)
To turn InstaVu off, press InstaVu. Alternatively, press DISPLAY ➞
Mode (main), and then press Mode again to toggle to Normal mode.
Figure 3–28: InstaVu Display
To Use InstaVu Mode
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