Keysight U1271A - Power-On Options; Table 1-2 Power-On Options

1 Introduction
Preparing Your Multimeter
32 U1271A/U1272A User’s Guide
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 “Enabling smooth
mode” on page 148.
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” on page 138.
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.
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Setup