User`s guide

U1273A/U1273AX User’s Guide XI
Table of Contents
1 Introduction
About This Manual 2
Documentation map 2
Safety notes 2
Preparing Your Multimeter 3
Check the shipment 3
Install the batteries 3
Turn on your multimeter 6
Automatic power-off 6
OLED Auto Dim function 7
Increase the OLED brightness 7
Select the range 8
Alerts and warnings during measurement 8
Adjust the tilt stand 11
Connect the IR-USB cable 11
Power-on options 13
Your Multimeter in Brief 14
Dimensions 14
Overview 16
Rotary switch 18
Keypad 20
Display screen 24
Input terminals 30
Cleaning Your Multimeter 32
2 Making Measurements
Crest Factor 34
Measuring AC Voltage 35