... , STB, DVD, DVR, PVR, video recorder, satellite receiver, and more Internal LED Indicator,Function-mode is opction: a ... for working, falsh by remote control signal(3-pin phone jack) b. No led light, flash by remote ... control signal(3-pin phone jack); c. Double LED, RED and Blue, RED ... Blue light by input Hight-level (4-pin phone jack);Essential InfoThere is no longer a need to ...