B&K Precision 4052-4055 - Manual - Manual (Page 27)

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4. Use the rotary knob or the numeric keypad to change the duty cycle. If numeric
keypad is used, the below screen will display:
After entering the numeric value, use the menu function keys to select the percent
(%) unit to apply for the duty cycle setting.
Note: The adjustable duty cycle range varies depending on the frequency of the
waveform. Some frequencies do not allow change of the duty cycle and is fixed at
50%.
Symmetry
Note: For ramp/triangle waveform only.
Follow the steps below to configure the symmetry of a ramp/triangle waveform.
1. Set the instrument for ramp wave output by pressing the Ramp button.
2. From the menu, select Symmetry.
3. The cursor position will now highlight the first digit of the symmetry parameter
display.