较早的帖子，发布于 2016年9月15日。 其中的信息可能已经过时。
本帖暂无中文翻译，以下为英文原文。
When I use F1 asking for contrast. The response is always about the brightness (and contrast). Although if one follows the "instruction" there is in fact NOTHING about contrast-it gives directive for brightness-which in this case is of no help.
Please advise the true source to 'alter the contrast control' on the user end?
较早的帖子，发布于 2016年9月15日。 其中的信息可能已经过时。
本帖暂无中文翻译，以下为英文原文。
When I use F1 asking for contrast. The response is always about the brightness (and contrast). Although if one follows the "instruction" there is in fact NOTHING about contrast-it gives directive for brightness-which in this case is of no help.
Please advise the true source to 'alter the contrast control' on the user end?
较早的帖子，发布于 2016年9月15日。 其中的信息可能已经过时。
本帖暂无中文翻译，以下为英文原文。
When I use F1 asking for contrast. The response is always about the brightness (and contrast). Although if one follows the "instruction" there is in fact NOTHING about contrast-it gives directive for brightness-which in this case is of no help.
Please advise the true source to 'alter the contrast control' on the user end?
较早的帖子，发布于 2016年9月15日。 其中的信息可能已经过时。
本帖暂无中文翻译，以下为英文原文。
When I use F1 asking for contrast. The response is always about the brightness (and contrast). Although if one follows the "instruction" there is in fact NOTHING about contrast-it gives directive for brightness-which in this case is of no help.
Please advise the true source to 'alter the contrast control' on the user end?
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