... twenty kinds of PTZ controller protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc.PPTZ address scanning, search up ... hours Easy for use that the train is almost unnecessarySPECIFICATIONSMODELST-893 CCTV Security TesterVideo TestSignal modeNTSC/PAL (Auto Adjust)Display3 ... ProtocolCompatible with more than 20 protocols such as PELCO-D/P, Samsung, Panasonic, Lilin, Yaan, etc.customizedBaud Rate150,300 ...