MPC One - How to eject of the SD card with MPC on?

Hi there,
sorry for the noob question!
I'm new with the MPC One.
How can I savely eject the SD card from the MPC without shut down the machine?
Can I transfer samples from PC to MPC over network to the SD card?

Thanks,
Lex303

Browser > Places, tap the eject icon next to your drive