SMAKN Digital LED Transistor Detect IC Meter Maintenance Tester MOS PNP NPN Shutdown: *In the OFF directory, press Enter button to immediately shutdown.Shutdown: *In the OFF directory, press Enter button to immediately shutdown. *In any directory, press Enter button for more than 10 seconds then off. *In any directory, press Enter button for more than 10 seconds then off.*In no operation after 60 seconds, automatic shutdown. ethods of devices placed: *The top of the chip alignment. *Put the most left transistor three slot. *A 13 foot alignment IC Optocoupler. *Voltage regulator tubes placed IC block 13 and 14 feet. *Note: the transistor display pin order from left to right and the corresponding IC block, 10 feet, 11 feet, 12 feet.