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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 decrease 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 pop-up numeric keypad.

Input Field

Increase

Decrease

In the

Horizontal menu, 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

the horizontal position label ("D" icon) changes accordingly, as shown in the figure

below.

Horizontal System

DHO800 User Guide

Rigol DHO800 Series User Manual

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