Sleep Mode
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.
The Meter beeps 3 times in one minute before entering Sleep Mode and one long
beep just before entering Sleep Mode.
The Meter can be activated by turning the rotary switch or pressing the button except
the
button, details see the ‘
The Effectiveness of Functional Buttons”
on page
11-12
If the Meter is activated by pressing button, the Meter will keep the measurement
value before entering Sleep Mode.
Press
PMAX/PMIN, ZERO
or
Hz
to turn on the Meter can disable the Sleep Mode
feature.
Model UT209: OPERATING MANUAL
32
