User Guide

13
Model UT231: OPERATING MANUAL
Figure 4
Measurement Operation
Press and hold POWER for one second to turn the
Meter on. The default range is the last measurement
range when you turned off the Meter.
Replace the battery as soon as the battery indicator
“ ” appears on the display.
A. AC Voltage (main display) + Frequency
(secondary display) Measurement (see figure 4)
Brack Red
Circuit