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Table 1-8
Keysight U1281A/U1282A User's Guide
Keypad functions
Legend
Less than 1 second
Sets the Null/Relative mode.
– The displayed value is saved as a
reference to be subtracted from
subsequent measurements.
– While in Null mode, press
Vsense
to view the stored reference value that
has been saved. The display will return
to normal after 3 seconds.
Vsense
– Pressing
is being displayed will cancel the Null
mode.
Starts the MaxMinAvg record ing.
– Press
MaxMin
maximum (
average (
MaxMin
(
– Press
MaxMin
to exit this mode.
– Freezes the present read ing in the
d isplay (
– In TrigHold mode, press
Hold
the holding of the next measured
value.
– Automatically freezes the present
Hold
read ing, and updates the values once
the read ing is stable (
mode).
– Exits the
– Stores a record of the measured signal
and exports it via the mul timeter's
optical communication port.
Turns the backlight on or off.
Function when pressed for:
Enables and d isables the non-contact
voltage presence ind icator (Vsense).
Vsense
– Press
again
low sensitivity (Lo.SE) or high
sensitivity (Hi.SE)
– Press
while the relative value
to disable Vsense.
– Stops the MaxMinAvg record ing.
– Starts and stops the Peak record ing.
again to scroll through
– Press
), minimum (
),
), and present
) readings.
for more than 1 second
– Press
mode).
to manually trigger
Exits the
mode.
Activates d ual d isplay mode
(if supported by the measurement).
Exits the dual d isplay mode.
– Press
to toggle between the available dual
display modes for supported
measurement functions.
Introduction
More than 1 second
to toggle between
Range
Vsense
for more than 1 second
again to switch
MaxMin
between the maximum
(
) and minimum
(
) peak readings.
for more than 1
MaxMin
second to exit this mode.
mode.
for more than 1 second
1
Learn
more on:
page
98
and
page
100
page
102
and
page
104
page
106
page
26
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