... A/V input state.Product Features:1.Multi-Function test DVB-S/S2/MPEG-4 signal,and free ... Multi-USB service,record,player,printscreen,Browsing function,software upgrade.ect.3.Friendly user interface,signal ... analysis. Function:strongest signal locked and TP search;4 ... strength,quality,it is user appointed frequency.Product Function:u Input signal:DVB-S/S2/MPEG4u Input ...