1 complete control
Elevators for building upper and lower call signals, car selected layer of after synthetic analysis-judgment to commands and signals are automatically optimized and running in the same direction signal response in turn.
2 repair operation
When when conditions are met, press the up/down buttons to make the elevator to access the speed up/down. Pressing the button, the elevator running, release the button to stop running.
3 test run
On the Board, when a certain parameter settings for the test run, lift will automatically run.
4 the hall door
If the call button is pressed, the car door opens automatically. Button, hold it down, the door remains open.