User manual

(&$2:
.................................................. ...............................................
58
̵̷̵̴̳̮̯̲̰̓͂̷̧̲̓ ̴̸̷̯̹̺̱̯̽͆̶̵
̸̶̧̧̱̲̺̹̯̯̈́̽
8.
̵̷̵̴̧̳̮̯̲̓̸̷̴̱̯͆ ̴̸̷̞̹̺̱̞̽͆ 

Summary of content (40 pages)