n SAFETY PRECAUTIONS
RISK OF ELECTRIC SHOCK
DO NOT OPEN
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning ﬂash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of
uninsulated “dangerous voltage” within the product’s enclosure
that may be of sufﬁcient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral triangle is intended
to alert the user to the presence of important operating
and maintenance (servicing) instructions in the literature
accompanying the appliance.
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
To completely disconnect this product from the mains, disconnect the plug
from the wall socket outlet.
The mains plug is used to completely interrupt the power supply to the unit
and must be within easy access by the user.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings.
Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including ampliﬁers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding
type plug has two blades and a third grounding prong. The wide blade or the
third prong are provided for your safety. If the provided plug does not ﬁt into
your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at
plugs, convenience receptacles, and the point where they exit from the
11. Only use attachments/accessories speciﬁed by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table
speciﬁed by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/
apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when
unused for long periods of time.
14. Refer all servicing to qualiﬁed service personnel.
Servicing is required when the apparatus has been damaged in any way,
such as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been dropped.
15. Batteries shall not be exposed to excessive heat such as sunshine, ﬁre or
FCC INFORMATION (For US customers)
1. COMPLIANCE INFORMATION
Product Name: Integrated Network AV Receiver
Model Number: AVR-4520CI
This product complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this product may not cause harmful
interference, and (2) this product must accept any interference received,
including interference that may cause undesired operation.
Denon Electronics (USA), LLC
(a D&M Holdings Company)
100 Corporate Drive
Mahwah, NJ 07430-2041
Tel. (201) 762-6665
2. IMPORTANT NOTICE: DO NOT MODIFY THIS PRODUCT
This product, when installed as indicated in the instructions contained
in this manual, meets FCC requirements. Modiﬁcation not expressly
approved by DENON may void your authority, granted by the FCC, to use
When connecting this product to network hub or router, use only a
shielded STP or ScTP LAN cable which is available at retailer.
Follow all installation instructions. Failure to follow instructions could void
your authority, granted by the FCC, to use the product.
This product has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation.
This product generates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
product does cause harmful interference to radio or television reception,
which can be determined by turning the product OFF and ON, the user
is encouraged to try to correct the interference by one or more of the
•Connect the product into an outlet on a circuit different from that to
which the receiver is connected.
an experienced radio/TV technician for help.
For Canadian customers:
This Class B digital apparatus complies with Canadian ICES-003.
HOT SURFACE. DO NOT TOUCH.
The top surface over the internal heat sink may become hot
when operating this product continuously.
Do not touch hot areas, especially around the “Hot surface
mark” and the top panel.