LOMEHO AM GT8 mixer 2. additional testing

0:03 turning on 0:06 no program nuber on display! 0:19 testing output sound 1:06 testing AUX2 bus output 1:11 parasitic clicks! (malfunction) 1:54 FX module dysfunction! (malfunction) 2:31 strong parasitic clicks on AUX1 bus output! (malfunction) 3:12 small parasitic clicks on main output! (malfunction) 3:58 disconnecting amplifier to show it works well and clicks come from mixer 4:40 5:23 parasitic clicks on AUX2 bus output! (again) 6:24 small clicks on AUX1 bus output (again) 6:36 connecting player (smartphone) to channels 12:39 testing bluetooth connection 13:27 ok 14:31 small clicks on AUX1 bus output (again) 15:22 strong parasitic clicks on AUX2 bus output! (again)