User`s guide

1 Introduction
Preparing Your Multimeter
6 U1273A/U1273AX User’s Guide
Turn on your multimeter
To power ON your multimeter, turn the rotary switch to any
other position.
Figure 1-3 Start-up display
To power OFF your multimeter, turn the rotary switch to the
position.
Automatic power-off
Your multimeter automatically turns off if the rotary switch
is not moved or a key is not pressed for 10 minutes
(default). Pressing any key will turn the multimeter back on
after it is powered off automatically.
To change the timer period or completely disable the
automatic power- off, refer to “Changing the auto power- off
(APO) timer” on page 120.