TaoTronics TT-BS002 - Manual (Page 70)

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2) The protection flake is not suitable for using rough paper or cloth to
wipe.
3) Clean protection flake occasion: Be not able to scan barcode rightly
4) The ways of cleaning protection flake：
i) Common maintain ways：Get a piece of clean cotton cloth (or a
piece of clean paper) with adding a little liquid (clean water.
alcohol) to wipe the transparent flake, note: too much liquid will
be easily inleak the inside reader and result in damaging the
hardware of reader.
ii) Deep maintain ways
a. First, get hold of the middle part of the product in left hand, put
right hand into the two sides of rubber sheath and take down
gently.
b. Get a piece of clean paper or cotton cloth with adding a little
alcohol to swipe gently.
2. The reader noumenon
1） If the noumenon is dirty, please get a piece of clean cotton cloth
with adding a little liquid (clean water, alcohol)to clean out. Note:
Too much liquid will be easily inleak the inside reader and result
in damaging the hardware of reader.
2） All parts of the reader noumunon are fixed steadily, but it is quite
necessary for users to use it carefully, it will still be damaged if
suffered severely impact.
3. The reader’s connection wire
The wire includes data transmission and power supply, it is the
bridge between reader and host, the connection wire is specially
produced for barcode reader, its toughness accords with common
usage requirement with fireproofing grade. But please pay
attention to the following two points when users operate the
reader: