... between E/R and Wheelhouse for operate main engine. Type:CCL-1/2AC-Q,CCL-1/2AC ... condition,the present speed of main engine can be sent from engine room to Wheel house ,and respond ... :forehead 1,forehead 2,forehead 3,forehead 4,stand by ,stop,finished,astern 1,astern 2,tern ... switchover to emergency power automatically,and emergency main engine telegraph transmitter send out visual and audio signal ...