problem to be solved urgently

wat is the meaning of this in the code u have sent i.e.beta in downloader. bit_8 code cgram[]={0x04,0x0e,0x0e,0x0e,0x1f,0x00,0x04,0x00,0x01,0x03,0x0f,0x0f,0x0f,0x03,0x01,
0x00,0x08,0x10,0x00,0x18,0x00,0x10,0x08,0x00,0x00,0x0e,0x15,0x17,0x11,0x0e,
0x00,0x00,0x00,0x01,0x03,0x16,0x1c,0x08,0x00,0x00,0x0a,0x1f,0x1f,0x1f,0x0e,0x04,
0x00,0x00,0x02,0x03,0x02,0x0e,0x1e,0x0c,0x00,0x00};
i am unable to understand wat exactly is the meaning of this cgram.

this code is for creating the characters like BELL heart, music that i was using. but in your case as you are displaying just date and time, so no need of this. you can remove it. and u can remove the build_ram function also.