RIGOL  Chapter 17 Function/Arbitrary Waveform Generator (MSO7000 Option) 
17-4  MSO7000/DS7000 User Guide 
To Output Ramp 
 
Press Wave, rotate the multifunction knob    to select "Ramp". Press down the 
knob to select it. You can also press Wave continuously or enable the touch screen 
to select it. At this time, you can set the parameters for the ramp waveform. For 
setting methods, refer to descriptions in "To Output Sine". This section only 
introduces "Symmetry". 
 
Symmetry is defined as the percentage that the rising period of the ramp takes up in 
the whole period, as shown in the figure below. 
 
Figure 17-1 Symmetry Definition 
 
Press Settings → Symmetry, then rotate the multifunction knob    or use the 
pop-up numeric keypad to set the symmetry of the ramp waveform. The settable 
range is from 1% to 100%. 
 
 
To Output Pulse 
 
Press Wave, rotate the multifunction knob    to select "Pulse". Press down the 
knob to select it. You can also press Wave continuously or enable the touch screen 
to select it. At this time, you can set the parameters for the pulse waveform. For 
setting methods, refer to descriptions in "To Output Sine". This section only 
introduces "Duty Cycle". 
 
Duty cycle is defined as the percentage that the high level takes up in the whole 
pulse period, as shown in the figure below.