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1
Introduction
Table 1-8
40
Keypad functions (continued)
Legend
Less than 1 second
Enables the frequency test mode for
current or voltage measurements.
– Press
Hz
Save
frequency (Hz), duty cycle (%), and pulse
width (ms) measurements.
– In duty cycle and pulse width
measurements, press
Hz
Save
than 1 second to switch between the
positive- or negative-edge trigger.
– Press
Hz
Save
frequency measurement mode, and hold
for more than 1 second to exit the
frequency measurement function.
Function when pressed for:
Starts and stops the Data Logging.
– If data logging is set as
(manual data logging), pressing
Hz
log the present value and function
into the memory. The display will
return to normal after a short while (≈
1 second). To manually log another
to scroll through the
reading, press
more than 1 second.
– If data logging is set as
(interval data logging), pressing
for more
Hz
enter the interval data logging mode,
where data is logged at the interval
defined in the multimeter's Setup.
to scroll back to the
– If data logging is set as
data logging), pressing
more than 1 second will enter the
event data logging mode, where data
is logged each time a triggering
condition is satisfied.
– Press
second to exit the interval or event
data logging mode.
More than 1 second
for more than 1 second will
Save
again for
Hz
Save
for more than 1 second will
Save
(event
for
Hz
Save
Hz
for more than 1
Save
Keysight U1281A/U1282A User's Guide
Learn
more on:
page
89
and
page
107
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