MODE: press this key to switch the trigger mode to Auto,
Normal or Single and the corresponding state light
backlight of the current trigger mode would be
illuminated.
TRIGGER LEVEL: modify the trigger level. Turn
clockwise to increase the level and turn counterclockwise
to reduce the level. During modification, the trigger level
line moves up and down and the value in the trigger level
message box (e.g. ) at the lower-left corner of
the screen changes accordingly. Press down the knob to
quickly reset the trigger level to zero point.
MENU: press this key to turn on the trigger operation
menu. This oscilloscope provides various trigger types.
FORCE: in Normal and Single trigger modes, press this
key to generate a trigger signal forcefully.
50%: press this key to set the trigger level to the vertical
midpoint of the trigger signal amplitude.
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.
Press this key to set the trigger mode to “Single”. In
single trigger mode, press the FORCE key to generate a
trigger signal immediately.
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