Access Virus Ti2 input/output problems

  • Access Virus Ti2 desktop.Output input problems.Why output 2 and output 3 menu sourround parametr balance change every time i change patch?i choose balance 0 and i hear sound,when i change patch balance parametr automatically return -64 and i dont hear sound.Why spdif out work ok but spdif in i dont hear sound?i use conaxial/spdif output another instrument and use coaxial cable