The invention integrates multiple functions into the central processing unit, unitedly operates through the operation panel, and is convenient for both centralizedcontrol and use.
本发明将多功能集成于中央处理单元，统一通过操作面板操作，既便于集中控制又使用方便。
2
But when loops, several spread-spectrum radios and centre controlunit (moving block system with 'centralized' structure) fail, the system can not be running in the ATC mode.