Keysight U1271A Guia Del Usuario página 106

2 Making Measurements
The pulse polarity is displayed to the left of the duty cycle value.
positive pulse and
measured, press
Press
measurements.
Press
106
indicates a negative pulse. To change the polarity being
.
Dual
E xit
to cycle through the frequency, pulse width, and duty cycle
for more than 1 second to exit the duty cycle measurement function.
Dual
E xit
Keysight U1271A/U1272A User's Guide
indicates a