While looking through the viewfinder, press the previewAE lock button.

观察取景器同事.请按压预景深自动曝光锁定按钮.

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Open Lock button for hook off entrance to visitors.

在访客呼叫通话中,开启门栋入口锁.

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The viewfinder image will darken when the previewAE lock button is pressed.

当按压预景深自动曝光锁定按钮时,取景器相将变暗.

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Press the preview AE lock button.

按压预景深\自动曝光锁定按钮.

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The viewfinder image will darken when the preview AE lock button is pressed.

当按压预景深动曝光锁定按钮时,取景器相将变暗.

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