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controls according to input signals so that it can accurately display the waveform of the
input signal.
The Auto function examines all channels for signals and displays corresponding
waveforms. Auto determines the trigger source according to the following conditions.
If multiply channels get signals, the oscilloscope will use the channel with the lowest
frequency signal as the trigger source.
If no signals are found, the oscilloscope will use the lowest-numbered channel
displayed in Auto Scale as the trigger source.
If no signals are found and no channels are displayed, the oscilloscope will display and
use Channel 1 as the trigger source.
Default Setting
Press button, enter oscilloscope menu, and select Default to recall the default
settings on the screen, now press F1 to confirm. The oscilloscope will display the CH1
waveform and remove all the others. Press F4 to cancel. The table below gives the
options, buttons and controls that change settings at default setup.