The flight compartment system indicator lights may be dimmed or tested by the use of a light switch located on the center instrument panel.

驾驶舱指示器系统的灯光可通过中央面板上的“灯光”开关来调暗或测试。

youdao

If you hold down a row switch, LED flashes every 2 seconds, a fast frequency level, then the fourth panel status lights will flash once.

若连续按住开关，每2秒钟LED闪烁频率会快一个级别，此时面板第四个状态指示灯会闪烁一下。

youdao

If you hold down a row switch, LED flashes every 2 seconds, a fast frequency level, then the fourth panel status lights will flash once.

若连续按住开关，每2秒钟LED闪烁频率会快一个级别，此时面板第四个状态指示灯会闪烁一下。

youdao