Problem in frequency

  • i have dm 800 se with enigma 2.
    In eutelsat 7e in 2 frequency 11304 hd and 11262 sd i have problem.
    When i search 11304 channel in 11262 are without signal and whwn search 11262 i havent channels in 11304.
    Why this 2 frequency have problem with together ?
    I test in in other dm too , and same.