... signal generation,RS485 data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera tester,function of ... cctv tester, portable tester,PTZ TesterFeature2.5" TFT-LCD, 960(H)×240(V)resolutionVideo Test ... can be testedPTZ Controller - as the PTZ controller, it can do pan, tilt, zoom, preset setting and operation, speed adjustment etc. it ...