●
Do not aim the device at the sun or extra bright places. A blooming or smear may occur
otherwise (which is not a
malfunction
however), and
affecting
the endurance of sensor at the
same
time.
●
Please use the provided glove when open up the device cover, avoid direct contact with the
device cover, because the acidic sweat of the
fingers
may erode the surface
coating
of the device
cover.
●
Please use a
soft
and dry cloth when clean inside and outside surfaces of the device cover, do
not use alkaline detergents.
●
Please keep all wrappers
after
unpack them for future use. In case of any failure occurred, you
need to return the device to the factory with the original wrapper.
Transportation
without the
original wrapper may result in damage on the device and lead to
additional
costs.
●
Improper use or replacement of the
battery
may result in hazard of explosion. Replace with the
same or equivalent type only. Dispose of used
batteries
according to the
instructions
provided by
the
battery
manufacturer.
●
Please take care of your card and report card loss in
time
when card is lost.
●
Multiple
card types are supported. Please select an appropriate card type according to the card
performance and the usage scenarios.
DS-K1109 Series Card Reader User Manual
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