In the use of optical fiber before and after welding machine can't do this!

In the use of optical fiber before and after welding machine can't do this! 1, do not use in high temperature and humidity environment and storage of welding machine, otherwise it may cause damage of equipment. 2, not just at the end of the contact in the process of heating or heating heat shrinkable tube, because of the high temperature heat shrinkable tube, may cause burns. 3 don't contact, hand wet welding machine, ac power cord and the ac plug, otherwise it may cause electric shock. 4, do not use any chemical clean microscope lens and other alcohol V groove, display, etc. , otherwise it may lead to blurred, spots, etc. , even can cause equipment corrosion and damage. 5, used in the dust of the environment, appropriate dust prevention measures must be taken to avoid large amounts of dust into the machine, resulting in failure of the machine. 6, don't make the welding machine by strong vibration and impact, otherwise may cause damage of the machine. Please use the dedicated to carry a case to transport or storage of welding machine.