> For the complete documentation index, see [llms.txt](https://bwtit.gitbook.io/potplayersetting/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bwtit.gitbook.io/potplayersetting/untitled.md).

# 影片播放在延伸螢幕

在筆電連接投影機時，就等於有2顆螢幕，這時可按下 Win+P 組合鍵啟動延伸螢幕功能。

在偏好設定中，左側的選單依序點選 「播放」 -> 「全螢幕」，確定主全螢幕是目前顯示器(推薦)，並勾選以全螢幕獨佔模式輸出到顯示器，便可在影片播放時，按下 Enter 或 Alt+Enter 將影片以全螢幕播放的方式送到第二顆螢幕去，此時若按下Esc則縮回原來較小的視窗則會回到第一顆主螢幕。

透過這個方式，可以讓我們在主螢幕利用 Space 控制影片暫停或繼續播放，以及觀察影片播了多久時間與剩餘時間，方便操作者可進行各種播放準備而不會影響使用者觀賞影片。

![](/files/-LExpcB3pjfPNNp3t-zp)


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