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In the autorange mode, the Meter selects the best range for
the input detected. This allows you to switch test points
without having to reset the range. In the manual range mode,
you select the range. This allows you to override autorange
and lock the Meter in a specific range.The Meter defaults to
the autorange mode in measurement functions that have
more than one range. At the autorange mode, press RANGE
the Meter enters the manual range mode. Each presses of
RANGE increments the range. When the highest range is
reached, the Meter wraps to the lowest range. To exit the
manual range mode, press and hold RANGE for over 2
seconds. The Meter returns to the autorange mode.
Frequency and duty cycle measuring mode only provided
autoranging.
Yellow button (function select)
It uses for selecting the required measurement function when
there is more than one function at one position of the rotary
switch.
POWER button (power switch)
This is a self-lock switch use to turn on or off the power of the
Meter.
Function description
