内容来源：https://lifehacker.com/tech/adjust-remarkable-paper-pro-light?utm_medium=RSS

内容总结：

近期，reMarkable Paper Pro系列电子墨水平板因其出色的书写体验受到数码爱好者关注，但其屏幕前光灯亮度问题一度引发用户讨论。据悉，该设备默认最大亮度仅为3-4尼特，远低于同类产品Kindle Scribe（94尼特）等设备。

厂商回应称，此设计是为平衡视觉舒适度、纸张般自然体验及电池续航而有意为之。不过用户反馈显示，在光线不足环境中阅读仍存在困难。针对这一问题，reMarkable通过今年初的软件更新新增了"超高亮度"选项，允许用户突破原有亮度上限。

实测表明，开启该功能后亮度提升有限，且会显著增加耗电（每小时耗电率从4%升至8%），但确实在一定程度上改善了暗光环境下的阅读体验。值得注意的是，部分电子墨水设备（如Supernote Manta等）选择完全取消前光灯，以追求更接近真实书写的体验和更薄的机身设计。

业界观点认为，电子墨水设备的前光灯设计需在亮度、续航和视觉体验间寻求平衡。尽管Paper Pro系列的亮度调整功能仍存在局限，但通过软件更新响应用户需求的做法值得肯定。

中文翻译：

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过去一年我评测了太多电子笔记本，以至于每次签收快递时妻子都会对我翻白眼。在众多产品中，reMarkable Paper Pro及其新款缩小版reMarkable Paper Pro Move的表现最为出众。唯一美中不足的是，这两款高端电子墨水平板的生产力工具屏幕对中年人的眼睛不够友好——好在今年早些时候的软件更新解决了这个问题。

设计使然的低亮度
在两次评测中我都指出，这两款设备的前置阅读灯亮度有限，实用性大打折扣。（与LED平板的背光不同，电子墨水设备通过外层玻璃与内屏之间的导光层实现反射式照明。）虽然reMarkable未公布具体数值，但Reddit测试者测得最大亮度仅约3-4尼特。相比之下，竞品Kindle Scribe和Boox Note Air 4C的亮度可达94尼特。（作为参考，我的M1芯片MacBook Air笔记本屏幕峰值亮度为400尼特。）

reMarkable在回复我的邮件声明中表示，这其实是经过深思熟虑的设计决策："阅读灯主要设计用于低光环境（如昏暗会议室或夜晚）温和补光，在保障电池续航和类纸体验的前提下实现最佳平衡。我们经过大量环境亮度测试，最终刻意限制了最高亮度值。"

虽然认可其设计理念（电子墨水技术相比传统平板的核心优势正是护眼和长续航），但我认为亮度限制过于严苛。实测中发现，除非在自然光充足或开灯环境，两款平板都存在阅读困难。即便将阅读灯调至最高档，在全黑环境中仍需眯眼或贴近屏幕才能看清小号文字。

软件更新带来转机
显然不止我一人对此失望。Paper Pro发布不久，Reddit用户就开始分享破解系统亮度限制的教程。大量用户反馈最终促使公司做出调整：今年初的软件更新（在我完成评测后）新增了增强亮度选项。

"产品上市后，部分用户提出需要更高亮度选项。为此我们在显示设置中增加了【超亮模式】开关，在保留原始设计理念的同时赋予用户自主选择权。"reMarkable方面表示。

开启方法：进入设置菜单→点击显示选项→启动超亮模式滑块（系统会提示"将加速电量消耗"）。

实际效果虽不及Kindle Scribe最大亮度（如上文对比图），但在前述昏暗环境中确实提升了可读性。YouTube用户@howtotechstuff的实测视频显示，开启该功能后每小时耗电量从4%升至8%。亮度提升有限而耗电激增，但若因此能正常使用也算值得。

电子笔记本真的需要阅读灯吗？
纵观我评测过的多款电子墨水设备——包括13.3英寸Boox Note Max、Viwoods AiPaper以及个人最爱的Supernote Manta——其实都完全舍弃了前置阅读灯。增加照明模块始终是种权衡（虽然不像彩色墨水屏那么复杂）：导光层会影响显示清晰度与屏幕间距，而无灯设备能实现更薄的机身（不过过度轻薄反而易损）。

若Paper Pro系列完全取消阅读灯，仍是出色的设备。现有设计虽存在亮度不足的瑕疵，但通过新增加的亮度选项，总算让用户体验得到了改善。

英文来源：

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I've reviewed enough digital notebooks over the past year that my wife has started rolling her eyes at me every time I have to sign for a package, and of that expansive lot, the reMarkable Paper Pro and its newer, smaller sibling, the reMarkable Paper Pro Move are among the most impressive.
I just wish the screens on these two premium e-ink productivity devices were a little more forgiving to my middle-aged eyes—and thanks to a software update earlier this year, they can be.
Dim by design
In my reviews of both the Paper Pro and the Paper Pro Move, I noted that their integrated front lights are too dim to be very useful. (In contrast to the backlight on an LED tablet, e-ink devices are illuminated by a lighting layer sandwiched between the outer glass and the inner display that reflects down.) Though reMarkable doesn't publicize the number, at full strength the front light illuminates to around 3 to 4 nits, according to testers on Reddit. In contrast, the front lights on the competing Kindle Scribe and Boox Note Air 4C can get much brighter—up to 94 nits. (For reference, the screen of my M1 MacBook Air laptop peaks at 400 nits.)
According to a statement I received from reMarkable, however, it turns out this was an intentional decision—a limitation baked into the design of the product.
"The light is designed primarily to gently illuminate the page when ambient light is low—for example, in a dark conference room or at night—without compromising battery life or the natural paper-like experience," reMarkable said in an emailed response to questions. "During development, we tested extensively across brightness levels and environments, and we intentionally capped the maximum brightness to strike the right balance between visibility, comfort, and battery consumption.
I appreciate the thoughtfulness—reduced eye strain and longer battery life are certainly among the chief advantages e-ink offers over a traditional tablet—but I think things got taken a bit far. Consistently during my testing, I found both reMarkable tablets to be too dark to read easily unless I was in a room with a good deal of natural light or a nearby lamp. Adjusting the front light to max made almost no difference. Even in a totally dark room, I still found myself squinting or bringing the device close to my face to read smaller print.
A recent software update gives you more options
It seems I wasn't the only one disappointed in the feature. A year ago, shortly after the Paper Pro's release, Redditors were sharing tips for altering the code of the operating system to remove software-based lighting limits. The volume of user feedback ultimately prompted the company to rethink its design decision, sort of: While the previous limits remain, a software update earlier this year (after my review of the Paper Pro was published) introduced a new setting to boost brightness.
"After launch, we heard from some users who wanted the option for more brightness in certain situations," reMarkable said. "In response, we added the [Extra bright] toggle in the display settings, which allows users to increase maximum brightness beyond the default range. This lets people choose what feels right for them while preserving our original design intent."
To try it out, open Settings menu on your reMarkable Paper Pro or Paper Pro Move and tap Display, then tap the slider to turn on Extra bright. (You'll see a warning that doing so "will drain the battery faster than normal.")
The effect isn't nearly as dramatic as I expected—as you can see above, it's still much darker than a Kindle Scribe at max brightness—but it does improve legibility at least somewhat under the conditions described above. The photo at the top of this article is a side-by-side comparison showing how bright the devices can get with and without the new option enabled, and you can see it in action in this video from YouTube user @howtotechstuff.
As the company noted, a brighter light will indeed drain the battery faster. According to @howtotechstuff's video, in testing, his battery drain went from 4% an hour to 8% an hour under similar usage conditions. Honestly, that's a pretty big hit for such a moderate increase in brightness, but it may be worth it if it makes the device more useable for you.
Is a front light even necessary on a digital notebook?
While I still find more utility in the brighter lighting of other devices I've tested, it's worth noting that a number of e-ink notebooks I've written about—including the 13.3-inch Boox Note Max, the Viwoods AiPaper, and my personal favorite, the Supernote Manta—forgo front lighting entirely.
Adding lighting to an e-ink device is always a tradeoff (though not nearly as much as adding color)—inserting a light layer into the display stack can impact both clarity and the distance between the outer screen and the inner e-ink display, and writing digitally feels more like pen and paper when that distance is as small as possible. Lightless devices can also be thinner, though that's a much less important factor if you ask me; beyond a certain point, too-thin e-ink tablets can get pretty fragile.
If the Paper Pro and Paper Pro Move didn't include a front light at all, they would still be great devices. That one is there, but too dim for many users, only makes it kind of annoying—but this relatively new setting helps.