Thread: Libra Kobo Libra H2O - first reviews
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Old 09-15-2019, 10:58 PM   #170
davidfor
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by pinktank View Post
I don't know what else to say other than it does affect me, perhaps I'm hyper-sensitive to PWM flicker?
So, you have used a Kobo Forma enough to determine that the PWM implementation on it affects your eyes? I just want to check because with all the hue and cry over the Forma using PWM, I don't believe that anyone has actually said it is causing them problems.

If you are basing this on your use of other devices, you need to look at the device and their implementation of PWM. Most specifically, what frequency is used. The Forma uses about 1KHz, which, as far as I can determine, is well above the frequency considered to cause problems.
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