Hioki LUX HiTESTER 3423, Инструкция по эксплуатации

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15
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Notes on Use
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NOTE
When the light sensor cap is not attached
(more than approx. 1 lx is indicated), "
CAP " is
indicated. Make sure that it is attached.
If performing the zero adjustment soon after
powering on, several digits may not disappear.
In this case, perform the zero adjustment
again.
Do not connect or disconnect the AC adapter,
and the detector and the display, with the
POWER switch on.
Setting the POWER switch to (ON) soon after
setting to (OFF) may cause malfunction. In
this case, power on in several seconds after
setting to
(OFF).
Use the backlight under low illiminance. It may
be difficult to find it under ordinary illuminance.
as the brightness is set lowest for the low
consumption of batteries.