RIGOL Chapter 3 To Set the Horizontal System
3-2 MSO5000-E User Guide
To Adjust the Horizontal Timebase
Horizontal timebase, also called the horizontal scale, refers to the time of each grid in
the horizontal direction of the screen. It is usually expressed in s/div. The adjustable
range of the horizontal timebase is related to the model type.
While you change the horizontal timebase, the displayed waveforms of all channels
are expanded or compressed horizontally relative to the current selected horizontal
reference baseline (refer to "Horizontal Expansion"). The horizontal timebase at
the upper-left corner of the screen will be changed accordingly, as shown in the
figure below.
You can adjust the horizontal timebase with the following three methods:
âš« Rotate Horizontal SCALE to adjust the horizontal timebase within the
available range (clockwise to reduce the horizontal timebase and
counterclockwise to increase).
âš« Enable the touch screen function and adjust the horizontal timebase with the
pinch & stretch gesture on the touch screen. For details, refer to the "Pinch &
Stretch" section.
âš« Enable the touch screen function, and tap the horizontal timebase label
at the top of the screen. The following window is displayed. Tap the
icon at the right side of the Scale input field to decrease or increase the
horizontal scale. You can also tap the Scale input field to input a specific value
with the displayed numeric keypad.
In the Horizontal control area (Horizontal), rotate the Horizontal SCALE knob
to switch the adjustment mode between "Coarse" and "Fine" (by default, it is Coarse).
You can also press Acquire → Fine to enable or disable the fine adjustment of the
horizontal timebase.
âš« Coarse adjustment: Rotate the Horizontal SCALE knob will adjust the
horizontal timebase of the waveforms of all channels at 1-2-5 step within the
adjustable range. Rotate it clockwise to reduce the horizontal timebase, and
counterclockwise to increase the horizontal timebase.
âš« Fine adjustment: Rotate the Horizontal SCALE knob will adjust the
horizontal timebase of the waveforms of all channels with a minor step value
within the adjustable range. Rotate it clockwise to reduce the horizontal
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