... Generating 4. Data analyst, PTZ controller CCTV Tester: 2.8" TFT-LCD Tester with Monitor / PTZ Controller / Video signal ... PAL (Auto adapt)Display2.8 inch digital TFT-LCD ,960 x 240 resolutionLCD adjustmentBrightness, Contrast, Saturation adjustableVideo IN/ ... controllerCommunicationRS232, RS422 simplex and RS485PTZ ProtocolCompatible with more than 20 protocols such as PELCO-D/P, Samsung, Panasonic, ...