This is one of four manuals I have downloaded recently.
Purchase was very straight forward and the authorising email arrived in about 4 hours.
The quality of the scan is good. Print is clear and square to the page edges.
Exactly as advertized. High quality digital copy of the Nak 610 user manual. Easy download and access. Highly recommended.
Text excerpt from page 13 (click to view)
USB power supply
Preparing your KEY player Your player is powered by a built-in rechargeable battery (NiMH), which you can charge direct from your computer.
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� � When you use the player for the very first time, fully charge up the built-in battery first! (See next chapter) For speed and as a convenient power back-up, you can also use the supplied AAA battery box.
Charging the built-in battery via USB 1 Detach the USB cover. 2 Turn on your Computer. 3 Check that you have adjusted the function switch to the OFF/ CHARGE position. 4 Connect the player�s USB port to the USB port of your computer. � Charging starts immediately. While charging the indicator lights up green. � Make sure you leave your PC switched on during charging. � When the battery is fully charged (approx. 5 hours), the green indicator goes out. 5 Unplug the player and replace the USB cover.
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� � � OFF / CHARGE: During battery charging, you cannot playback music on the player.The normal functions on the remote control are also disabled. When you detach the USB cover, keep it in a safe place. To avoid damaging the USB port, always fit the USB cover back on the player when not connecting to your computer or the battery box.