3 MENU ................................................................................................................................. 63.1 Screen Menu Index .................................................................................................................................................. 63.2 Self-diagnosis System Information .......................................................................................................................... 73.3 Main Menu ................................................................................................................................................................... 73.4 Menu Operation ........................................................................................................................................................ 83.4.1 System Setting ....................................................................................................................................................... 83.4.2 Display Setting ....................................................................................................................................................... 93.4.3 Camera Setting ...................................................................................................................................................... 93.4.4 Function Setting ................................................................................................................................................... 143.4.5 Alarm Setting ........................................................................................................................................................ 203.5 Dome Abnormal Phenomenon Operation ........................................................................................................ 203.5.1 Restore to Factory Default Setup ...................................................................................................................... 203.5.2 PTZ Movement is not smooth ............................................................................................................................ 203.5.3 Can not use coaxial cable to control the speed dome ................................................................................... 204 CABLE CONNECTION ..................................................................................................... 214.1 Cable Connection ................................................................................................................................................... 214.2 System Layout ........................................................................................................................................................ 224.2.1 System Connection ............................................................................................................................................. 224.2.2 Alarm Connection ................................................................................................................................................ 224.2.3 Keyboard Connection .......................................................................................................................................... 235 FAQ ................................................................................................................................... 245.1 Daily Maintenance .................................................................................................................................................. 245.2 Problems and Solutions ....................................................................................................................................... 246 APPENDIX Ⅰ LIGHTENING PROTECTION AND SURGE PROTECTION ........................ 257 APPENDIX 2 THE RELATIONSHIP BETWEEN THE 24V AC CABLE DIAMETER ANDTHE TRANSMISSION DISTANCE ........................................................................................... 26ii