... with Display. VIDEO IN 2: DB15 joint, signal input port.VIDEO IN 1 5BNC: Signal input port, the same as VIDEO IN2.K1 ... . Installation1. Introduction of InterfaceUnderneath panel: input interface of No.1 channel signal, 5 BNC in total, plus a switching key K1.V ... *600, 1024*768, 1280*1024, 1600*1200 and etc. Signal peak value: 1.5Vpp Impedance: 75ΩElectrical Level: 0.75-3.5Signal ...