The SELECT 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
In order to avoid the hazard arising from mistaken readings in insufficient
light or poor vision, please use Display Backlight function.
Warning
Press and hold
button for over 2 seconds to turn the Display Backlight on.
Press
button again to turn the Display Backlight off, otherwise it will stay
on continuously.
To preserve battery life, the Meter automatically turns off if you do not turn the rotary
switch or press any button for around 15 minutes.
Sleep Mode
The Meter can be activated by turning the rotary switch or pressing the effective
button, it will return to working mode.
Model UT205A/206A: OPERATING MANUAL
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