With the appropriate
USB Port Precautions NOTICE:
Be sure to observe the following points when connecting to the computer’s USB interface.
Failing to do so may result in the computer freezing or shutting down, as well as corruption or even loss of data. If the device or computer does freeze, restart the application or computer.
• Be sure to wake the computer from sleep/ suspended/stand by mode before making a connection to the computer’s USB port.
• Before turning on the power to the device, connect the computer to the USB port.
• Before turning on/off the device or plugging/ unplugging the USB cable, quit any open application software on the computer.
• When connecting or disconnecting the USB cable, be sure to set all output level controls to the minimum.
• Wait at least six seconds between connecting or disconnecting the USB cable.
No you don’t need to “eject” it but I would turn it off or put it on standby, though I think you’ll find it will automatically go into standby.