RIGOL MSO/DS4000 Series - Manual (Page 56)

RIGOL
MSO4000/DS4000 Quick Guide 14
AUTO
Press this key to enable the waveform auto setting function. The
oscilloscope will automatically adjust the vertical scale, horizontal
time base and trigger mode according to the input signal to realize
optimum waveform display. Besides, quick parameter measurement
function is also provided.
Note that auto setting requires that the frequency of the signal under test should be
no lower than 50 Hz, the duty cycle be greater than 1% and the amplitude be at
least 20 mVpp. If the parameters exceed theses limits, “Auto failed” would be
displayed after pressing this key and the quick parameter measurement menu
might not be displayed.
RUN/STOP
Press this key to set the state of the oscilloscope to “Run” or “Stop”.
In “Run” state, the key is illuminated in yellow and red in “Stop”
state.
SINGLE
Press this key to set the trigger mode to “Single”. In single trigger
mode, the oscilloscope triggers when the trigger condition is met
and then stops.