Besantek BST-LX2, Инструкция по эксплуатации

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(1) Light detecting surface
(2) Protection cover
(3) LCD display
(4) Power button
(5) CAL button :
Calibration the meter when the protection cover is
off , otherwise the error message will be show on
the LCD display.
(6) HOLD button :
The user may hold the present reading and keep
it on the LCD display by pressing the "HOLD"
button. To release the held data operation by
pressing it and holding more than 1 second. The
user can press the button when the value is hard
to read, such as measuring in the dark place.
(7) fc/lx selector button :
The user can switch fc or lx unit by pressing this
button.
(8) Range selector button :
This button is used to select automatic range and
manual range. Manual range enables an arbitrarily
four range to be set . To release the manual range
and backward automatic range by pressing it and
holding more than 1 second.