Q-Line Display 557 Edge LED Back light, Full HD Input/Output Terminals @Anacin (3) AUDIO OUT (RCA) AC power input. Audio signal output to connect your external AV device. (2 MAIN POWER SWITCH AUDIO IN 3.5mm) Main power on/off switch Audio input from your PC. G HDMI IN @ SPIFF oUT HDM! videodisc input Digital audio signal output to connect your external AV device @DVINA @ TROUT@ IR IN (3.5 mm) DIV-D video input. IR signal outputting for the loop-through function. ®RJ-45 () RS232C OUT / @ RS232C IN (2.