This icon is the symbol for portrait mode and if you're not confident with changing apertures (we'll discuss this below) it's a good mode to switch to as it will do some of the work for you.
其中有一个是头像模式的标志，如你对调整光圈技艺(见下节)并不自信，调到这个模式会让你很省事。
Backlight for LCD, switch and Symbol, display.
LCD背光、转换器，开关和标志，显示器等。
Backlight for LCD, switch and Symbol, display.
LCD背光、转换器，开关和标志，显示器等。
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