UNI-T UT71C Operating Manual page 21

Button
When it is at AC measurement mode, press the button to
AC+DC
display AC+DC True RMS value in the primary display and the
Yellow Button
left secondary display "AC+DC".
Use the blue button to select any rotary switch alternate function
(labeled in blue letters).
Press and hold the Button while turning on the Meter to toggle
Blue Button
to 4000 counts for all functions.
It is faster when the Meter is at 4000 counts measurement
mode.
After the Meter is resuming from Automatic Power Off or turn
on and off again, the Meter will back to normal measurement
mode (40000 counts).
20
Table 2-2. Functional Buttons
Description
Model UT71C/D/E: OPERATING MANUAL
Access Method
Press the button once
Press the button once