📢 手持弹幕（LED 滚动字幕）Handheld LED Scrolling Text

使用说明与常见问题How-to & FAQ

「手持弹幕（LED 滚动字幕）」是什么？What is the Handheld LED Scrolling Text?

手机变 LED 滚动屏：输入文字后全屏横向滚动，适合演唱会应援、接机举牌、生日表白、开车提示。可调字号、速度、颜色、背景，支持闪烁、静止、彩虹色、LED 点阵和发光效果，还能生成分享链接。Turn your phone into an LED sign: type a message and it scrolls full-screen — for concerts, airport pick-ups, birthdays or messages in the car. Adjust size, speed, colours and background, with blink, static, rainbow, LED-dot and glow effects, plus a share link.

如何使用「手持弹幕（LED 滚动字幕）」？How do I use the Handheld LED Scrolling Text?

在“显示文字”里输入内容（或点一个常用语），调好颜色、字号和速度，点“全屏显示”并把手机横过来。双击画面或点右上角 ✕ 退出全屏。Type your message (or tap a preset), choose colours, size and speed, then press Full screen and turn the phone sideways. Double-tap or press ✕ to exit.

全屏后手机没有自动横屏怎么办？The phone does not rotate in full screen — why?

部分手机浏览器不允许网页锁定横屏。请打开系统的“自动旋转”，再把手机横过来；也可以把字号调大直接竖着用。Some browsers do not let pages lock landscape. Turn on auto-rotate in system settings and rotate the phone, or simply use it upright with a larger size.

屏幕会自动变暗或锁屏吗？Will the screen dim or lock?

可能会。长时间使用前，请把手机的“自动锁屏”时间调长，或者在设置里打开“保持亮屏”。It may. Before long use, extend the auto-lock time or enable keep-screen-on in settings.

“镜像”有什么用？What is Mirror for?

镜像会把文字左右翻转，用于把手机放在车窗边让对面或后车从反射中阅读，或者对着镜子自拍时文字是正的。Mirror flips the text horizontally — useful when it is read through a reflection, or for mirror selfies.

「手持弹幕（LED 滚动字幕）」免费吗？文件会上传吗？Is the Handheld LED Scrolling Text free? Are my files uploaded?

「手持弹幕（LED 滚动字幕）」完全免费，无需注册。你输入的内容只保存在本机浏览器里（方便下次继续），不会上传到任何服务器。The Handheld LED Scrolling Text is free with no sign-up. What you enter stays in this browser only (so you can continue later) and is never uploaded to any server.