MENU: press this key to open the
horizontal control menu under which
to turn on or off the delayed sweep
function, switch between different
time base modes, switch between
HORIZONTAL SCALE: modify the horizontal time base. Turn clockwise to
reduce the time base and turn counterclockwise to increase the time base. During
the 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 the
delayed sweep state.
HORIZONTAL POSITION: modify the horizontalposition. The trigger point
would move left or right relative to the center of the screen when you turn the knob.
During the modification, waveforms of all the channels would moveleft or right and
the trigger position message (e.g. ) at the upper-right corner of the
screen would change accordingly. Press down this knob to quickly reset the trigger
position (or the delayed sweep position).