MENU: press this key to turn on the
horizontal control menu under which to
turn on or off the delayed sweep function,
switch between different time base modes,
switch between “Coarse” and “Fine” of
scale as well as modify the horizontal
reference setting.
HORIZONTAL SCALE: modify the horizontal time base. Turn clockwise to
reduce the time base and turn counterclockwise to increase the time base. During
modification, waveforms of all the channels will be displayed in expanded or
compressed mode and the time base message (e.g. ) at the upper side
of the screen would change accordingly. Press down this knob to quickly switch to
delayed sweep state.
HORIZONTAL POSITION: modify the trigger position. The trigger point move
left or right relative to the center of the screen when you turn the knob. During
modification, waveforms of all the channels would move right or left and the trigger
position message (e.g. ) at the upper-right corner of the screen
would change accordingly. Press down this knob to quickly restore the trigger
position (or the delayed sweep position).
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