218 VGA OutputVGA output is optional, please ensure that you have proper DVR model for VGA out putinstallation. By D-SUB connecter to CRT or LCD monitor, DIP switch definition &suggestion table as below:Resolution DIP1 DIP2640×480 0 0800×600 0 11024×768 1 01280×1024 1 1Frequency DIP3 DIP456Hz 0 060Hz 0 170Hz 1 075Hz 1 1DIP1 DIP2 DIP3 DIP4 Resolution Frequency Monitor0 0 0 00 0 0 1 600 0 1 0 720 0 1 1640×4807515 inch orbelow0 1 0 0 560 1 0 1 600 1 1 0 720 1 1 1800×6007515 inch orbelow1 0 0 01 0 0 1 601 0 1 0 701 0 1 11024×7687515~17 inch1 1 0 01 1 0 11 1 1 01 1 1 11280×1024 60 17 inch orabove