User`s guide

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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