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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.
ô Open the SCOPE OPTIONS
submenu.
í 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
û Freeze Recording.
Observe that the measurement values are only displayed
after is pressed. (See figure 1-15.)