Aztak sells both Hanlin sourced devices and Netronix sourced devices. the EZ601 is a Netronix device usually sold under the Mentor brand looks like every other EB600 branded Netronix reader
Magpie- ADE does need to Authorize the device. When you start ADE and then plug in the device does the device show as one of the bookshelves? How did you transfer the book to the device, through ADE or did you just drag and drop directly to the device?