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4.Advanced User Guidebook
83
Figure 4-23 Autoscale Horizontal-Vertical multi-period waveforms
Note:
1. When entering into Autoscale function, a autoscale indicator will be
flickering on the top left of the screen.
2. In the mode of Autoscale, the oscilloscope can self-estimate Trigger Mode
(Edge, Video). At this point, the trigger menu is not available.
3. When the input signal contains the DC component, the coupling will be set
to AC, the amplitude of the input signal should be greater than 5mV, and
the frequency should be greater than 20Hz.
4. At the mode of Autoscale, DSO is always set as DC coupling with AUTO
triggering, the holdoff is set to 100ns.
5. At the mode of Autoscale, if adjust the vertical position, voltage division,
trigger level or time scale, the oscilloscope will pause the Autoscale
function. To resume Autoscale, push the Autoset front panel button.
6. When video triggering, the horizontal time scale is 50us.
7. While the Autoscale is working, the settings below will be made forcibly:
The DSO will switch from the wave zoom mode to the normal mode.
In the decoding, pass/fail or XY mode, when entering into Autoscale, these
modes will be turned off.
In the STOP status, when entering into Autoscale, the status will be set to
RUN.
Use HOR function
Click to call up the menu panel. Click the HOR softkey on panel to switch
to the ON or OFF state. You can quickly enter the waveform horizontal zoom
mode, waveform zoom mode.
Use FFT function
FFT refers to the Fourier transform operation on a certain channel.
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