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(
Horizontal Expansion Reference
). The horizontal time base in the horizontal time
base label ("H" icon) will change accordingly, as shown in the figure below.
You can adjust the horizontal time base in the following ways.
• Rotate the front-panel Horizontal SCALE knob to adjust the horizontal time
base (clockwise to reduce the scale and counterclockwise to increase).
• Enable the touch screen function, and then adjust the horizontal time base with
the Pinch&Stretch gesture. For details, refer to
Pinch&Stretch
.
• In the Horizontal menu, click or tap the icon at the right side of the input field of
Scale to increase or decrease the horizontal time base or use the corresponding
multipurpose knob to set the value. You can also click or tap the input field to
input a specific value with the displayed numeric keypad.
In the Horizontal menu, you can click or tap the Vernier on/off switch to toggle
between ON (fine adjustment) and OFF (coarse adjustment). You can also press the
front-panel Horizontal SCALE knob to toggle between "coarse adjustment" and
"fine adjustment".
• Coarse adjustment: Click or tap the icons at the right side of the input field of
Scale to adjust the horizontal time base of the waveforms of all channels in a
1-2-5 step sequence within the adjustable range.
• Fine adjustment: Click or tap the icon at the right side of the input field of Scale
to adjust the horizontal time base of the waveforms of all channels at a smaller
step within the adjustable range.
6.2 To Adjust the Horizontal Position
Horizontal position, also called trigger position, refers to the trigger point position of
the waveforms of all channels in the horizontal direction relative to the center of the
display. When the waveform trigger point is at the left (right) side of the center, the
horizontal position is a positive (negative) value.
Changing the horizontal position moves the waveform trigger points and the
displayed waveforms of all channels horizontally. The horizontal position displayed in
Horizontal System
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
DHO1000 User Guide
51
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