ARD HD and front door

On the subject flap that it is difficult is surely clear - but HOW rises says no.
So she works forward on that reach into the center (where the groove is) right and left, best with your fingernail and then folding it on forward. Voila!

and for ARD HD, etc.

Hi, this is for those who need it in more detail:
Phoned at Trekstor, ARD HD, ARTE HD, etc. with manual adjustment.
Very easily:
Menu - Channel Search - ok - Satellite search - OK then GOTO (on remote control top center) on the transponder are displayed on the left. "Add" then red button and enter the frequencies. The are here: (.. Eighth especially entering the number, eg 11494 and V or H Search then "Blue" then go for example to 01, appeared old statue and backwards on 989 oä as diving programs then on) Easy - fun ,
The new assignment is as follows.

Arte HD, the first HD, SWR HD: Transponder 19, Frequency 11.494 GHz, horizontal, error protection FEC 2/3, symbol rate 22 MSymbols / s, transmission standard: DVB-S2 (8PSK)
ZDF HD, ZDF Neo HD and ZDF HD culture: Transponder 11, 11.362 GHz, horizontal, error protection FEC 2/3, symbol rate 22 MSymbols / s, transmission standard: DVB-S2 (8PSK)
BR HD, Phoenix HD, NDR FS HD: Transponder 25, Frequency 11.582 GHz, horizontal, error protection FEC 2/3, symbol rate 22 MSymbols / s, transmission standard: DVB-S2 (8PSK)
WDR HD: Transponder 101, frequency 12.422 GHz, horizontal, error protection FEC 3/4, symbol rate 27.5 MSymbols / s, transmission standard: DVB-S (QPSK) and transponder 111, frequency 12.604 GHz, horizontal, error protection FEC 5/6, Symbol Rate 22 MSymbols / s, transmission standard: DVB-S (QPSK)
3 satellite HD, Kika HD, ZDF HD Info: Transponder 10, Frequency 11.347 GHz, vertical, error protection FEC 2/3, symbol rate 22 MSymbols / s, transmission standard: DVB-S2 (8PSK)