CDU两边的四个指示灯

严谨谨

CDU上的CALL灯 FAIL灯还有偏置灯在什么情况下点亮

fly_木

The CALL light is on when there is a call from another system other than the FMCS
The FAIL light is on if there is a system failure found by BITE.
The MSG light is on to show there is an alert or advisory message. The MSG light stays on until you clear the message.
The OFST light is on when a parallel offset is active.