Specifications

24
It uses for selecting the required measurement function when
there is more than one function at one position of the rotary
switch.
The BLUE button
Warning
In order to avoid the hazard arising from mistaken
readings in insufficient light or poor vision, please use
Display Backlight function.
• Press and hold YELLOW button for over 2 seconds to 
turn the Display Backlight on.
• Press YELLOW button again to turn the Display 
Backlight off, otherwise it will stay on continuously.
Turning on the Display Backlight
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.
The Meter can be activated by turning the rotary switch or
pressing the YELLOW, Hz or REL ∆ button, it will display
the present measurement value.
To disable the Sleep Mode function, press BLUE button
while turning on the Meter.
Sleep Mode
Model UT205/UT206: OPERATING MANUAL