Keysight U1271A Guia Del Usuario página 32

1 Introduction
Power-on options
Some options can be selected only while you turn the multimeter on. These
power-on options are listed in the table below. To select a power-on option, press
and hold the specified key while turning the rotary switch to any other position
(OFF to ON). Power-on options remain selected until the multimeter is turned off.
Table 1-2 Power-on options
Key Description
Check firmware version. The multimeter's firmware version will be shown on the primary display. Press
any key to exit this mode.
LCD test. All annunciators are displayed in the LCD. Press any key to exit this mode.
Smooth is enabled until the multimeter is turned off. To permanently enable Smooth, see
smooth mode"
Auto Power-Off (APO) is disabled until the multimeter is turned off. To permanently disable APO, see
"Changing the auto power-off and backlight timeouts"
Simulates the Auto Power-Off (APO) mode. Press any key to turn the multimeter back on and resume
normal operation.
Backlight test. LCD backlight is activated. Press any key to exit this mode.
Setup
32
on page 148.
on page 138.
Keysight U1271A/U1272A User's Guide
"Enabling