1. The power supply is identified as AC380V; 2. The power input line and output line are connected correctly. 3, must be grounded, check the power line should be reliably grounded; 4. Items must be clamped during testing; 5. It is strictly forbidden to use for a long time under no load, except for adjusting the machine; 6. It is forbidden to operate beyond the specified load of the machine; 7. Please read the operating instructions carefully before using the machine and observe the safety precautions; 8, no special requirements, it is strictly prohibited to change the setting procedure; 9. When the machine is working, it is forbidden to open the cover of the chassis, otherwise serious electric shock and mechanical damage will occur; 10. Do not switch the machine frequently during work. Please wait for the 10s machine program self-test after booting; 11. After use, please turn off the main power supply; 12. Lock the loose screws during maintenance inspection. When maintenance, please turn off the main power switch; 13. The control box is kept ventilated, dry and clean. Blood Coagulometer,Microplate Washer,Coagulation Analyzer Medsinglong Medical Equipment Co., Ltd. , http://www.gzultrasound.com