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4
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1
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In order to improve the life span of this product, please pay more attention to the
following aspects:
(1) Need to ensure that the power supply is stable, and the ground connection is
well protected;
(2) No remove plug/socket for safe use. If it is damaged, it must be replaced
immediately;
(3) Working environment temperature: -20°C to +40°C;
(4) Screen is prohibited water, iron powder and other easily conductive metal;
(5) If water gets into the screen, please switch off the power immediately, and
wait it totally dry before use;
(6) It is strictly prohibited to put the product near any heat place to work.