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History
The history function can record the waveforms of the input channels before
pressing the Run/Stop button. In the run state, the oscilloscope records input
waveforms continuously. After the memory reaches the maximum frame, the new
frames will cover the old frames. The first frames acquired are the first to be
covered.. in a circular buffer configuration.
To use the History function, the horizontal format must be set to YT.
Do the following steps to record and replay waveform:
1. Press the History button on the front panel to enable the History function.
When in the run state, the waveform will enter the stop state.
When in the stop state, and then enable the History function, the
oscilloscope will stay in the stop state.
Press History or Stop button to turn off the History function.
2. Press the List softkey to turn on or off the list display. The list records the
timestamp of every frame. It is accurate to microseconds.
Figure 88 History
3. Press the Frame softkey; then turn the Universal Knob to select the frame to
display.
The format of the Frame is A/B; A is the current frame number and B is the
maximum frame number you can set.
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