"Leanback 鍵盤" "Leanback 鍵盤" "前往" "下一頁" "傳送" "搜尋" "完成" "鍵盤選項" "移動敏感度" "開啟" "關閉" "空格鍵" "刪除" "模式變更" "Shift 鍵" "Caps Lock 鍵" "向左鍵" "向右鍵" "插上耳機即可聽到系統讀出密碼鍵。" "點。"