... scanning, search up the ID of PTZ camera.Capture the PTZ protocol to assist the setting ... status of P/L, zoom in/out the camera, adjust the aperture, foci and setting parameters, ... bar video signal for testing monitorUTP CABLE TESTUTP cable testTest UTP cable connection state and display in the screen ... aBigImageSrc } ); } )(); CCTV 2.8"CCTV Tester Monitor, RJ45 Cable, PTZ Test, 12V Camera Power Out