- vii -
1. ........................................................................................................................ 1
1.1 .................................................................................................................. 1
1.2 ..................................................................................................................2
1.2.1 ............................................................................................................ 2
1.2.2 .................................................................................................. 4
1.3 ..................................................................................................................4
1.4 .................................................................................................................. 5
1.5 .............................................................................................................. 5
1.6 .......................................................................................................... 5
2. ........................................................................................................................6
2.1 ..................................................................................................................6
2.2 ..........................................................................................................6
2.2.1 .............................................................................................................................. 7
2.2.2 ............................................................................................................................ 10
2.2.3 ............................................................................................................................ 12
2.3 ..................................................................................... 14
2.3.1 LED ...................................................................................................... 15
2.3.2 ................................................................................................... 15
2.3.3 ................................................................................................................. 16
3. ............................................................................................................................. 17
3.1 .................................................................................................... 17
3.2 ........................................................................................................ 18
3.3 ................................................................................. 21
3.4 ............................................................................................ 22
3.4.1 ....................................................................................................... 22
3.4.2 / .................................................................. 25
3.4.3 MH240P 26
3.4.4 MH240P ... 28
4. ...................................................................................................................... 31
4.1 .......... 31
4.2 .............................................................. 32