- 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 ............................................................................................................................. 9
2.2.3 ........................................................................................................................... 10
2.3 .................................................................................... 11
2.3.1 LED .................................................................................................... 12
2.3.2 .................................................................................................. 12
2.3.3 ................................................................................................................ 13
3. ............................................................................................................................ 14
3.1 ................................................................................................... 14
3.2 ....................................................................................................... 15
3.3 ................................................................................ 18
3.4 ............................................................................................ 19
3.4.1 ..................................................................................................... 19
3.4.2 / ................................................................. 22
3.4.3 ......................................... 23
3.4.4 ............................................. 26
4. ..................................................................................................................... 27
4.1 ............................................................................. 27
4.2 .............................................................. 28
4.3 ............................................................................. 29
5. ................................................................................................................. 31
5.1 ................................................................................................ 31
5.2 ....................................................................................................... 32
5.3 .............................................................. 33
5.3.1 USB ............ 33
5.3.2 RS-232 ....... 34
5.3.3
....................................................................................................................... 35
6. LCD ..................................................................................................... 37
6.1 ................................................................................................... 37