Implemented Commands ############# $PRTLN,00,Text to be printed, Print, followed by line number, followed by text to be printed $PRINT,00,00,Text to be printed, Print, line number, $CLEAR Clears the screen $OFFST,00,00, Set the horizontal and vertical offset. Horizontal offset is between 0 and 63 (corresponding to -32 to +31 pixels in the OSD chip docs). Vertical offset is between 0 and 31 (corresponding to -15 to +16 pixels in the OSD chip docs). $GETOF Get the current horizontal and vertical offset $VIDIN,0, Set the video input. Hardware supports lines 0 to 3. Possible Future Commands ############## Next waypoint $WAYPT,000.00000N,000.00000W, Current speed $SPEED,100.0000, $LOCAT,000.00000N,000.00000W,