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
Introduction 1
Preparing Your Multimeter
U1231A/U1232A/U1233A User’s Guide 7
Enabling the backlight
If viewing the display becomes difficult in low- light
conditions, press to activate the LCD backlight.
Press again to deactivate the LCD backlight.
Enabling the flashlight
If you are using the multimeter in dark places, press and
hold for more than 1 second to activate the LED
flashlight for greater visibility on your test points.
Press for more than 1 second to deactivate the LED
flashlight.
NOTE
To change the timeout period or completely disable the automatic
power-off, refer to “Changing the auto power-off (APO) timeout” on
page 88.
NOTE
• To conserve battery life, a user-adjustable timeout controls how long
the backlight stays on. The default timeout is 15 seconds. To change
the timeout period or completely disable the backlight timeout, refer to
“Changing the LCD backlight timeout” on page 89.
• You can also adjust the backlight’s intensity to conserve battery life.
The default intensity is high. To change the backlight’s intensity level
refer to “Adjusting the LCD backlight intensity” on page 90.
CAUTION
VISION ADVISORY CLAIM
The LED light source is safe for normal usage. However, staring
directly into the LED light source is not recommended as prolonged
direct exposure may be harmful to the eyes.