2 ............................................................................................. 41 ............................................................................................. 50 ............................................................................................. 50 ....................................................................................... 50 LCD .................................................................................... 51 ....................................................................................... 51 ............................................................................................. 51 ....................................................................................... 51 ....................................................................................... 52 LCD .................................................................................... 52 ....................................................................................... 52 ....................................................................................... 52 ............................................................................................. 53 .................................................................................................... 53 ................................................................................... 53 ................................................................................ 53 ................................................................................ 55 ................................................................................ 55 .......................................................................................................... 57 ............................................................................. 57 .................................................................................................... 57 .......................................................................................................... 58