     ()  DVB-T2 
         :

        .
* ,        . 
!!!!        !!!
   RDB-501    .
-        xxxxxxxxx,      "RDB-501_.zip";
-        xxxVTxxxxxx,      "RDB-501_VT.zip";
 

   ().
1. C      .
2.  USB Flash drive,   FAT32.
3.    (usb_upgrade_all_flash.bin)      .
4.     USB Flash Drive    "usb_upgrade_all_flash.bin".
5.  DVB-T2      USB Flash Drive.
6.         λ,     USB  
7.      ,     :/usb_upgrade_all_flash.bin.        .
8.    ,               : Upgrading software, Please do not turn off the power (  ,   !). 
9.       Software upgrade complete. Pls restart (  . ).
10.     .        .  

!!              !

