2 considerations about the screen, 3 cleaning recommendations, 4 care the power source – Lenco TFT-1020 User Manual
Page 27: Onsiderations about the screen, Leaning recommendations, Are the power source
5.2 Considerations about the screen
1. Please read the details of this guidebook before using, and store safely in case use
another day.
2. You may see tiny black points and/or bright points (red, blue, or green) that continuously
appear on the LCD. LCD has a very few (0.01%) unlit pixels and always lit pixels. You
may also see distortion in colours or brightness depending on your perspective. This is a
normal result of the manufacturing process and does not indicate a malfunction.
3. The LCD is manufactured using high-precision technology, do not apply a strong shock
or drop it. Do not disassemble or refit yourself.
4. Do not exert pressure on LCD screen. The LCD that is made from glass may be broken
by pressure.
5. Do not place your LCD in a location subject to direct sunlight or excessively high
temperature. This may cause a malfunction.
6. Do not place your LCD in a location subject to mechanical vibrations or in an unstable
location.
7. Do not place use a moist cloth to wipe the LCD. Liquid may cause a malfunction if it
leaks into your LCD.
8. Do not place or drop any object onto the LCD. Also, do not apply any force to the LCD.
If the liquid leaves out, please use soap and clean water to clean.
9. If you bring your LCD from a cold location to a warm one, moisture may condense on
the LCD. In such a case, wipe off the moisture before using your LCD. It is
recommended to use tissue papers to wipe off the moisture. If the LCD surface is still not
warm enough, moisture may condense again. Leave LCD until its surface is warmed up
to the ambient temperature. Do not use alcohol, gas or chemistry reagent to wipe.
10. Close LCD after use or during in malfunction. Please switch off power in case safe.
11. If you have any questions, please contact our company.
5.3 Cleaning recommendations
1. To clean the cover, take care the machine is disconnected.
2. Do not use scented hydrocarbons or chloride solvents. Such products may attack the
plastics used in the construction of the cover. The cover should be cleaned by means of a
light solution of detergent and water applied with a soft cloth. Dry thoroughly before
using the system again.
3. Do not used for the cleaning of the front panel, alcohol or its derivatives, these products
can attack the mechanical properties of the materials and diminish their useful time of
life.
5.4 Care the power source
1. Refer the online specifications to check the power operation of your machine.
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