Download General 1920 1080 Map7 Msv59 M90 Ka03 China 7key Sir620d R26699 0xbdd 20130412 - 121110 Rar

: Indicates the regional tuning/OSD (On-Screen Display) defaults, likely supporting Chinese television standards and languages.

The technical specifications embedded in the file name "Download General 1920 1080 MAP7 MSV59 M90 KA03 CHINA 7KEY SiR620D R26699 0xBDD 20130412 121110 rar" are broken down below:

: Specifies the keypad configuration. The firmware expects a 7-button physical interface (Power, Menu, Source, Vol+, Vol-, CH+, CH-). Using this on a 5-key board may map buttons incorrectly.