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UTD2000 Series User Manual
50
Chapter XI Other funtion botton
11.1 AUTO Setting
Based on input signals, Auto Setting selects appropriate time-based scale, Volt/Divs,
trigger based to display waveform on the screen automatically. Press AUTO to enter
automatic setting.
AUTO Setting is only applicable to conditions below:
1) AUTO Setting is only applicable to signals with simple and single frequency. AUTO
Setting is not effective for those complicated waveform.
2) The frequency of measured signal is not less than 20Hz, and the amplitude is not
less than 30mVpp.
Function Setting
Obtainment mode Sampling
Display format Set to YT
Horizontal position Auto adjustment according to signal frequency.
Second/Divs Auto adjustment according to signal frequency.
Trigger coupling DC
Trigger holdoff The minimum value
Trigger level Set to 50%
Trigger mode AUTO
Trigger source Set to CH1. If there is no signal for CH1 and a signal is exerted on CH2, then
set to CH2.
Trigger gradient Ascending
Trigger type Edge
Bandwidth limit OFF
Volt/Divs Auto adjustment according to singnal amplitude.
NOTE: When AUTO strategy is set as default, it outpus above auto setting.
11.2 RUN/STOP
RUN/STOP button is on the front panel of DSO. When this button is pressed and a green
indicator lights up, your oscilloscope is in a running status, if a red light comes on after
pressing this button, it indicates the unit has stopped operation. In running status, the DSO
consecutively collects waveform and the screen displays “AUTO”, while in stopping status,
the DSO stops collecting waveform and the screen displays “STOP”. Press RUN/STOP to
switch between stopping and running.
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