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2
Making Measurements
Square Wave Output
The multimeter's square wave output can be used to generate a PWM (pulse width
modulation) output or provide a synchronous clock source (baud rate generator). You can
also use this function to check and calibrate flow-meter displays, counters, tachometers,
oscilloscopes, frequency converters, frequency transmitters, and other frequency input
devices.
Selecting square wave output frequency
1 Position the rotary switch to
frequency is 600 Hz, as shown on the primary and secondary displays respectively.
2 Press
3 Press
(there are 29 frequencies to choose from).
4 Press
Figure 2-35
94
OUT
to switch between duty cycle and pulse width for the primary display.
Shift
Esc
or
on
or
Hold
Vsense
or
to change the duty cycle or pulse width values.
Square wave output display
. The default duty cycle is 50.000% and the default
to scroll through the available frequencies
Hz
Save
Keysight U1281A/U1282A User's Guide
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