一旦闪光装置被充好电，闪光装置上的闪光灯准备就绪，指示灯就亮起来，同时在取景器显示中出现闪光标记。
When the flash unit is fully charged, the flash-ready lamp on the flash unit lights and the flash mark in the viewfinder display appears.
该指示可以是可听的，比如音调或语音，可以是可视的，比如闪光，或者可以是可用触觉感知的，比如振动。
The indication can be audible such as a tone or a voice, visual such as a flashing light, or tactile such as vibration.
面板上的指示器将出现闪光，对操作者发出出现这种情况的警告。
The operator is alerted to this situation by blinking front-panel indicators.
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