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.
仪表不能开电启动：首先检查“电源”指示灯是否亮，不亮则电源未加入。
The meter cannot be powered: check if the "power" light is on at first. If not, the power doesn't start.
仪表不能开电启动：首先检查“电源”指示灯是否亮，不亮则电源未加入。
The meter cannot be powered: check if the "power" light is on at first. If not, the power doesn't start.
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