If you need to monitor your SD card or review its stats, find the player in Zynchro (by Filter, Map view, etc) and click on the info tab.
Once you are in the info tab, click on the size-and-percentage-in-use button, to display the information window.
* The images used in this guide are for illustrative purposes only and designed to be a representation and/or general orientation of the required steps and/ or existing system and are not in any way designed to represent or guarantee aspects of the project, software and or information from any particular unit or location.