UNI-T UT231 Operating Manual page 11

Model UT231: OPERATING MANUAL
Button Operation Performed
MENU
AC Voltage (main display) + Frequency
(secondary display)
AC Current (main display) + AC Voltage
(secondary display)
Active power (main display) + Phase
angle (secondary display)
Apparent power (main display) +
Reactive power (secondary display)
Power factor (main display) + Phase
angle (secondary display)
Active Energy (main display) + Time
(secondary display)
Temperature
Temperature
Press LOAD once, MR icon shown, the
Meter displays the next stored reading,
the left secondary display showing the
index increase one.
Press USB once to turn the USB
USB
(main display) +
(secondary display)
Button Operation Performed
USB
interface on, USB appears and the Meter
beeps.
Press USB again to turn the USB
interface off, USB disappears and the
Meter beeps.
It is invalid at active energy mode.
Press once to enter LOAD mode, MR
LOAD
appears and the Meter beeps.
Press again to exit LOAD mode, MR
disappears and the Meter beeps.
Press and hold LOAD for 1 second to
display the stored data quickly.
Calibrating data. It is not recommended to
CAL
calibrate the meter without authorization.
Press once to store single reading, MEM
SAVE
appears and the Meter beeps.
Press and hold for over 1 second to
continuous store reading, MEM blinks
and the Meter beeps. The index number
9