Agilent Technologies U1231A Guía de usuario Pagina 40

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1 Introduction
Your Multimeter in Brief
22 U1231A/U1232A/U1233A User’s Guide
Keypad
The operation of each key is explained below. Pressing a key
enables a function, displays a related symbol, and emits a
beep. Turning the rotary switch to another position resets
the current operation of the key.
Click the respective “Learn more” pages in Table 1- 6 for
more information on each function.
Table 1 - 6 Keypad functions
Legend
Function when pressed for:
Learn
more on:
Less than 1 second More than 1 second
Sets the Null/Relative mode.
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.
Enters the Hold-Log Recall menu.
Press to jump to the last record. Press
and hold for more than 1 second to
jump to the first record.
Press or to scroll through each
record.
Press for more than 1 second to
store all records into the multimeter’s
non-volatile memory. Press for more
than 1 second to clear all records.
Press for more than 1 second to exit
this mode.
page 68
and
page 74
Starts the MaxMin recording.
Press again to cycle through maximum
(Max), minimum (Min), average (Avg), or
present (MaxMinAvg) readings.
Press to restart the recording
session.
Stops the MaxMin recording.
Press for more than 1 second to exit
this mode.
page 70
Sets a manual range and disables
autoranging.
Press again to cycle through each
available measurement range.
Enables autoranging.
page 9
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