Volume Level

Too low and I can't hear what you're saying.Too high and your voice becomes distorted and our ears are hurt.

You can adjust volume in the settings of your operating system, but also in the Hiknow classroom software.
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Screenshot of Hiknow classroom, with volume settings and Help button highlighted.
If you need to adjust your Windows sound settings, press the Help button in the Hiknow software and you will get a page with advice on sound problems, including volume. I'll also link to it here (the English version, I can't get a link for the CHinese version):
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Hiknow sound help page.
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Hiknow sound help page on adjusting Windows volume levels.