v5.11 Alarm ............................................................................................................................... 1955.12 Log out ............................................................................................................................ 1965.13 Un-install Web Control ................................................................................................... 1976 PROFESSIONAL SURVEILLANCE SYSTEM ...................................... 1987 FAQ ...................................................................................................... 199APPENDIX A HDD CAPACITY CALCULATION ....................................... 207APPENDIX B COMPATIBLE BACKUP DEVICES ....................................... 209Appendix B-1 Compatible USB list .......................................................................................... 209Appendix B-2 Compatible SD Card list ................................................................................... 210Appendix B-3 Compatible Portable HDD list .......................................................................... 210Appendix B-4 Compatible USB DVD List ............................................................................... 210Appendix B-5 Compatible SATA DVD List .............................................................................. 210Appendix B-6 Compatible SATA HDD List ............................................................................. 211APPENDIX C COMPATIBLE CD/DVD BURNER LIST............................. 215APPENDIX D COMPATIBLE DISPLAYER LIST ....................................... 216