User`s guide
Table Of Contents
- Agilent U1231A, U1232A, and U1233A Handheld Digital Multimeter
- Table of Contents
- List of Figures
- List of Tables
- Introduction
- Making Measurements
- Multimeter Features
- Multimeter Setup Options
- Using the Setup Menu
- Setup Menu Summary
- Setup Menu Items
- Changing the variation count
- Enabling and changing the Smooth refresh rate
- Enabling and changing the voltage alert level
- Changing the beep frequency
- Changing the auto power-off (APO) timeout
- Changing the LCD backlight timeout
- Adjusting the LCD backlight intensity
- Enabling the LED flashlight timeout
- Adjusting the LED flashlight intensity
- Changing the minimum measurable frequency
- Changing the continuity test alerts
- Changing the power-on greeting tone
- Resetting the Setup items
- Changing the scale conversion value
- Enable the AC/DC mV measurement
- Enable open continuity test by default
- Changing the temperature unit
- Characteristics and Specifications

3Multimeter Features
Freezing the Display (Trig Hold-Log and Auto Hold-Log)
72 U1231A/U1232A/U1233A User’s Guide
Freezing the Display (Trig Hold-Log and Auto Hold-Log)
Trig Hold-Log operation
To freeze the display for any function, press the key.
Figure 3-5 Trig Hold-Log display
Press again to automatically update the display to
reflect data that was acquired during the hold.
Press and hold for more than 1 second to exit this
mode.
Auto Hold-Log operation
Pressing the for more that 1 second activates the Auto
Hold- Log function.
NOTE
Trig Hold-Log and Auto Hold-Log readings are recorded automatically for
future review or analysis by default. See “Recalling Previously Recorded
Readings (Recall)” on page 74 to learn more.
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NOTE
The annunciator will flash while attempting to acquire a stable
reading.
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