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- Connect the audio or BT VP3300 to a USB Port on the PC right before you start this process (otherwise the battery is charged up by via the USB port of the PC)
- Launch the USDK Demo and wait for the reader to be detectedÂ
- You can send the F0-02 command follow the numbered steps as shown in the screenshot below:
- Check the response returned in the Log window for the battery level byte (#6 in the screenshot above). If the data level >= 0xD2 indicates the Battery power full. if data level <= 0xC0 indicates Battery power low.
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