Keysight U1271A - Table 1-7 Keypad Functions

1 Introduction
Your Multimeter in Brief
42 U1271A/U1272A User’s Guide
Table 1-7 Keypad functions
Legend
Function when pressed for:
Learn
more on:
Less than 1 second More 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 again
to view the stored reference value that
has been saved. The display will return
to normal after 3 seconds.
• Pressing while the relative value
is being displayed will cancel the Null
mode.
Sets the Scale mode for the specified ratio
and unit display. (Only applicable for voltage
measurements.)
• The most recently saved (or default)
ratio and unit will be shown on the
primary and secondary displays.
• Press while the symbol is
flashing to cycle through the available
ratio and unit displays.
• Press while the symbol is
flashing to save the selected ratio and
unit and to start the conversion, or
• While the symbol is flashing, if
no activity is detected after 3 seconds,
the conversion will begin (with the
specified ratio and unit shown on the
primary display).
• Press for more than 1 second to
cancel the Scale transfer mode.
page 108
and
page 110
Starts and stops the MaxMin recording.
• Press again to cycle through
maximum (Max), minimum (Min),
average (Avg), and present
(MaxMinAvg) readings.
• Press for more than 1 second to
exit this mode.
Starts and stops the Peak recording.
• Press again to switch between
the maximum (Max) and
minimum (Min) peak readings.
• Press for more than 1 second to
exit this mode.
page 112
and
page 114
Freezes the present reading in the display
( mode).
• In TrigHold mode, press to
manually trigger the holding of the next
measured value.
• Press for more than 1 second to
exit this mode.
Automatically freezes the present reading
once the reading is stable ( mode)
• In AutoHold mode, the reading is
updated automatically once the reading
is stable and the count setting is
exceeded.
• Press for more than 1 second to
exit this mode.
page 115
Switches between the dual-combination
displays (if available).
Exits the Hold, Null, MaxMin, Peak,
frequency test, and dual display modes.
page 179
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Dual