在6502电气集中车站,正常接车信号不能开放时,经常办理按进路锁闭方式的引导接车。只要道岔位置与进路要求相符,可破封按下YA使进路锁闭,引导信号开放。解锁进路时破封按下ZRA及进路始端LA可使进路解锁。但实际运用中经常发生引导接车进路用上述方法不能解锁的情况。例1.办理下 6502 electrical centralized station, the normal signal can not be open when the car, the lock for the way often for the guide to take the car. As long as the location of the switch and the requirements of the road match, you can break the press YA to lock the road, guide the signal open. Unlock the access road by pressing the ZRA and the start of the road to unlock the access road. However, in practice, it is often the case that the guide car can not be unlocked by the above method. Example 1. Handling