User`s manual
Table Of Contents
- Contents
 - Chapter 1 DVR-520 Introduction
 - Chapter 2 Remote DVR Installation
 - Chapter 3 Powering Up the Unit
 - Chapter 4 Operation Guide
 - Appendix A Networking
 - Appendix B PC Viewer
 - Appendix C Video Quality Settings Table
 
DVR-520 User’s Manual iv
Declaration of Conformity
CE
This product has passed the CE test for environmental specifications 
when shielded cables are used for external wiring. We recommend the use 
of shielded cables. This kind of cable is available from Advantech. Please 
contact your local supplier for ordering information.
CE
This product has passed the CE test for environmental specifications. Test 
conditions for passing included the equipment being operated within an 
industrial enclosure. In order to protect the product from being damaged 
by ESD (Electrostatic Discharge) and EMI leakage, we strongly recom-
mend the use of CE-compliant industrial enclosure products.
FCC Class A
This equipment has been tested and found to comply with the limits for a 
Class A digital device, pursuant to part 15 of the FCC Rules. These limits 
are designed to provide reasonable protection against harmful interfer-
ence when the equipment is operated in a commercial environment. This 
equipment generates, uses, and can radiate radio frequency energy and, if 
not installed and used in accordance with the instruction manual, may 
cause harmful interference to radio communications. Operation of this 
equipment in a residential area is likely to cause harmful interference in 
which case the user will be required to correct the interference at his own 
expense. 










