The Power Button; The Blue Button; Turning On The Display Backlight; Sleep Mode (Model Ut60B/Ut60C) - UNI-T UT60B Operating Manual

The POWER button

This is a self-lock switch use to turn on or off the power of the
Meter.

The BLUE button

It uses for selecting the required measurement function when
there is more than one function at one position of the rotary
switch.

Turning on the Display Backlight

Warning
In order to avoid the hazard arising from mistaken readings
in insufficient light or poor vision, please use Display
Backlight function.
l Press and hold HOLD H
Display Backlight on.
l Press and hold HOLD H again for over 2 seconds to turn the
Display Backlight off, otherwise it will stay on continuously.

Sleep Mode (Model UT60B/UT60C)

To preserve battery life, the Meter automatically turns off if you
do not turn the rotary switch or press any button for around 30
minutes.
To disable the Sleep Mode function, press BLUE button while
turning on the Meter.
for over 2 seconds to turn the
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