User manual

   .......................................................................................................................... ٣٢
  .......................................................................................................................................... ٣٣
   ............................................................................................................................... ٣٣
 GS )( .................................................................................................................................. ٣٤
   )  ( ................................................................... ٣٤
    ....................................................................................................................... ٣٥
  FCC  ..................................................................................................... ٣٥
  ........................................................................................................................................ ٣٥
   ............................................................................................................................. ٣٥
  ................................................................................................................................... ٣٥
     ٥      ........................................... ٣٥

   )( ................................................................................................. ٣٦
    ...................................................................................................... ٣٦
    .............................................................................................................. ٣٦
  ..................................................................................................................................... ٣٦
  .................................................................................................................................... ٣٦
  ...................................................................................................................................... ٣٧
 Vietnam Telecom  /     ICTQC .............................. ٣٧
 ......................................................................................................................................................... ٣٩
٥ ARWW