Chapter 3 To Set the Horizontal System    RIGOL 
MSO7000/DS7000 User Guide  3-3 
within the adjustable range. Rotate it clockwise to reduce the horizontal time 
base, and counterclockwise to increase the horizontal time base. 
 
Note: When the delayed sweep is enabled, rotate the Horizontal    SCALE knob 
to adjust the time base for the delayed sweep. The delayed sweep time base 
displayed in the center of the screen will be changed accordingly, as shown in 
the following figure. 
 
 
 
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 screen center. 
When the waveform trigger point is at the left (right) side of the screen center, the 
horizontal position is a positive (negative) value. 
 
While you change the horizontal position, the waveform trigger points and the 
displayed waveforms of all channels are moved left and right. The horizontal position 
at the right-upper corner of the screen changes accordingly, as shown in the figure 
below. 
 
 
You can adjust the horizontal position with the following three methods: 
⚫  Rotate Horizontal    POSITION to adjust the horizontal position of the 
waveforms of all channels. When you rotate it clockwise, the waveform trigger 
point moves right on the screen; when you rotate it counterclockwise, the 
waveform trigger point moves left on the screen. Pressing down the knob can 
quickly reset the horizontal position (reset to 0). 
⚫  Enable the touch screen function and adjust the horizontal position with the 
drag gesture on the touch screen. For details, refer to the "Drag" section. 
⚫  Enable the touch screen function, and tap the horizontal position label   
at the top of the screen. The following window is displayed. Tap the   
icon at the right side of the Pos input field to decrease or increase the horizontal 
position. You can also tap the Pos input field to input a specific value with the 
displayed numeric keypad.