Change boot logo
Place file D:\SYS\on_logo.jpg 320x240 on SD Card.
First boot image will be copied. Second boot it will be visible.
Change poweroff logo
Place file D:\SYS\off_logo.jpg 320x240 on SD Card.
First boot image copien and visible on the first power off.
Text logo on video
Place file D:\SYS\logo.txt
not work if graphical logo used
Update speedcam db
Place D:\gpsdb.txt and power on the device