Activation code for activating the SD Card LED Matrix module which allows the stand-alone management up to a maximum of four 32x32 or 64x32 from two panels.

Warning! even if you have enabled both modes (Cascading and SD Card) can not be used in stand alone mode, a number of top panels to four 32x32 64x32 or two.

1. Leave the "Reboot" command, while stà starting press "ENTER" at this point will stop the bootloader.
2. Give the command "GETSN", will receive the Serial Number which will be sent to Futura Group, later you will be emailed a string like: KEY_ADD 0xC6,0x83,0x83,0x67,0x45,0xC3,0x5A, 0xDA, 0x4F, 0x3A.
3. Repeat step 1 and in bootloader as a command to insert the string received at this point will be enabled Cascading mode. From this moment on the card will be enabled and no matter whether the software will be canceled or will be loaded bitstream other than that of the LED Matrix. Once you enabled the option is forever.