... C RadiosAV Receiver with Diversity inputsSmall, light weight,four channel,anodized aluminum case Specifications of D58-4 5.8G ... same time:--Connect the antennas then connect the AV cables to: AV1,AV2,AV3,AV4, and then connect ... work.LED8 is on when no signal.--Select the channel: RX1 for RF1 and RX2 for F2, RX3 ... button--Set RX1,RX2,RX3,RX4 to the same channel--LED5 for RF1 and LED6 for RF2,LED7 for ...