Alerts And Warnings During Measurement - Keysight Technologies U1231A Guia Del Usuario

1 Introduction

Alerts and warnings during measurement

Voltage alert
For your own safety, please do not ignore the voltage alert. When the
WARNING
multimeter cautions you with a voltage alert, you are advised to take note of
the existence of high voltage and pay closer attention when performing
measurements.
Your multimeter provides a voltage alert for voltage measurements in both
autoranging and manual range modes. The multimeter starts beeping periodically
once the measured voltage exceeds the alert value (regardless of polarity) set in
the Setup menu.
By default, this feature is turned off. Be sure to set the alert voltage according to
your test requirements. To change the alert voltage level, refer to
changing the voltage alert level"
Hazardous voltage indication
The multimeter will also display the hazardous voltage ( ) symbol as an early
precaution when the measured voltage is equal to or greater than 30 V in all
voltage measurement modes.
30
on page 106.
Keysight U1231A, U1232A, and U1233A User's Guide
"Enabling and