Charging Optoma 3D RF glasses - AVS Forum
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Old 02-27-2013, 05:04 PM - Thread Starter
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Greetings.

Anyone know if the Optoma 3D glasses suppose to blink while charging? I plugged them in via USB to my pc but they turn off after 5 minutes. Manual does not state what the glasses do while charging it just says it will blink in short sequences after charging is complete.

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Old 02-27-2013, 11:05 PM
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They don't blink while charging, but they will slowly pulse (called "heartbeat") when fully charged. I strongly recommend you buy an inexpensive separate USB charger like those sold for MP3 players and cellphones. PC USB ports-especially on laptops-many times don't provide enough current to charge these glasses.

BTW, the first charge-with good USB voltage-will take about 4 hours or so...

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