system: language : chinese /english / russian / italian
gui :graphic menu
password :user password , administrator password
video : video in : 8ch composite , video input
video out : 1ch composite cideo inoput
audio :input :8ch composite video impedance 600
output:1ch output impedance 600
gui :graphic menu
password :user password , administrator password
video : video in : 8ch composite , video input
video out : 1ch composite cideo inoput
audio :input :8ch composite video impedance 600
output:1ch output impedance 600