Mahjong machine detects

The first key while pressing the two movements, and then turn on the power switch, then release the key Laozhuang lights that means into the test. Press any key to change the dice test number (Laozhuang four green lights blinking left to right composition test number, bright --1, off --0 as four green light from left to right is "off shiny On "indicates that the test No. 0111, to test the sensor signal blocking cards). Selected test number and press any key to enter the lift, then the reset indicator light to proceed with the test, press any key to exit the elevator test one test to the next. After re-opening the electrical test to enter the running state.