Back Side0YSF-009Back coverOpen the back cover to install the optional ROM. Installing the ROM(P. 629)Rating labelThe label shows the serial number, which is needed when making inquiries about the machine. When aProblem Cannot Be Solved(P. 559)Power socketConnect the power cord.Ventilation slotAir from inside the machine is vented out to cool down the inside of the machine. Note that placing objects infront of the ventilation slots prevents ventilation. Installation(P. 3)SD card slot coverOpen the SD card slot cover when installing the optional SD card. Installing an SD Card(P. 633)USB port (for USB device connection)Connect a USB device that is used with MEAP applications.USB port (for computer connection)Connect a USB cable when connecting the machine and a computer.ACT indicatorThe ACT indicator blinks while data is being sent or received.Basic Operations19