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Using The Test Tool
Acquiring the Waveform
1
25
Recording Slow Signals over a Long Period of
Time
The roll mode function supplies a visual log of waveform
activity and is especially useful when you measure lower
frequency waveforms.
Open the SCOPE INPUTS menu.
Open the SCOPE OPTIONS
submenu.
Highlight ROLL MODE.
(2x)
Start Recording.
The waveform moves accross the screen from right to left
like a normal chart recorder. Observe that during
recording no measurements are made. (See Figure 1-15.)
Figure 1-15. Recording Waveforms over Longer
Period of Time
Freeze Recording.
Observe that the measurement values are only displayed
after is pressed. (See figure 1-15.)