每个元素旁边高亮显示的refs列表示该元素绑定到表格上的某个输入字段，上面的数字表示该元素被引用的次数。

The highlighted Refs column next to each element indicates the element is bound to an entry field on the form and the number shows how many times the element is referred to.

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确认取景器显示正常。数字表示当前的快门速度。

Confirm that the viewfinder display is operating. The number denotes the current shutter speed.

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右侧面板显示额外的项目，如硬件能力和一定的调节器的数字表示的范围内。

The right side panel displays the extra items such as the hardware capabilities and the range of a certain controller expressed numerically.

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