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UDR-204(C) Operation manual Revision 3.0
1.4.1.5.4 Sensor 1~4
Users can connect up to four N.O./N.C. type sensors and configure them within Main Menu,
Sensor Setting.
1.4.1.6 Network
Connect RJ-45 Ethernet cable.
1.4.1.7 USB flash memory
Perform backup of recorded video files from DVR system to USB flash memory
manually.