INTRODUCTION
GETTING STARTED
WHAT’S IN THE BOX
Packed with your T 755 A/V Receiver you will find
•
An AM loop antenna.
•
A FM ribbon-wire antenna with balun.
•
A removable AC cable (if you wish, any IEC-standard AC cable of suitable
wattage may be substituted).
•
The HTR 3 remote control with 4 (four) AAA batteries.
•
The ZR 4 zone remote control with 3V CR2025 battery.
•
This owner’s manual.
SAVE THE PACKAGING
Please save the box and all of the packaging in which your T 755 arrived.
Should you move or otherwise need to transport your T 755, this is by far
the safest container in which to do so. We’ve seen too many otherwise
perfect components damaged in transit for lack of a proper shipping
carton, so please: Save that box!
CHOOSING A LOCATION
Choose a location that is well ventilated (with at least several inches to both
sides and behind), and that will provide a clear line of sight, within 23 feet/7
meters, between the T 755’s front panel and your primary listening/viewing
position—this will ensure reliable infrared remote control communications.
The T 755 generates a modest amount of heat, but nothing that should
trouble adjacent components.
It is especially important that sufficient ventilation be provided. If you are
contemplating on locating the T 755 within a cabinet or other furniture,
consult your NAD audio/video specialist for advice on providing adequate
airflow.
QUICK START
Packed with your T 755 is a Quick Start Guide that will guide you through
typical setup configurations in combination with your ancillary devices. The
Quick Start Guide also features the contents of your T 755 package as well
as start up procedures.
The T 755 is defaulted to the following settings:
Source
Audio Input
Video Input
Video Output
Source 1
Optical 1/
Audio 1 IN
Component Video 1 IN
Component Video
OUT
Source 2
Optical 2 IN/
Audio 2 IN/
HDMI 2 IN
HDMI Monitor OUT
Source 3
Coaxial 3 IN /
Audio 3 IN
S Video 3 IN
S-Video Monitor OUT
Source 4
Audio 4 IN
Video 4 IN
Video Monitor OUT
iPod
Audio 5 IN
S-Video 5 IN
S-Video Monitor OUT
Source 7
7.1 Input
Component Video 3 IN
Component Video
OUT
Front
Input
Audio Front
Input/Optical
Front Input
S-Video Front IN
S-Video Monitor OUT
Media
Player
Audio MP input
Tuner
To modify the above default settings and for a better understanding of
source setting and combinations, please refer to the section on ‘Source
Setup’ of the Setup Menu discussion.
NOTES
• Digital input will always take precedence over analog audio input even
if both are present.
• The T 755 is optimized for Component Video Output. Composite
video and S-video sources may be viewed in their native format or via
Component Video OUT.
DEALING WITH HUM AND NOISE
Hum and noise may sometimes prove a challenge in complex, multi-
channel audio systems. Note these considerations to help prevent hum and
noise problems:
•
Power all your system’s audio component from AC outlets originating
from the same circuit of your house wiring. As far as possible, power
all audio components from the same outlet, or adjacent outlets on the
same circuit. It may be useful to power video displays (and computers!)
from outlets on another circuit, especially if that circuit is supplied from
the other “leg” of the house wiring.
•
Do not bundle analog audio cables with AC power cables, or with
coaxial digital-audio cables. It is best if they cross at right angles if they
must be in close proximity.
•
Employ high-quality, well-shielded audio cable throughout, and ensure
that all connections are secure.
•
A pencil-eraser can be used to burnish copper- and gold-plated
contacts to ensure good, low-resistance contact; specialized contact-
cleaners can also be useful. Avoid unnecessary unplugging and
re-plugging since the gold (or copper) contact plating of typical cable
connectors, even very high-quality ones, is very thin and easily worn.
Track down hum/noise problems one component at a time, working
backwards from the A/V Receiver. That is
1
Connect the speakers to the A/V Receiver only, and check for hum.
2
Then connect one component only (a CD player, for example) alone,
with no other components connected and check for hum.
3
Connect additional components, one at a time, to the A/V Receiver and
check for hum.
At each stage, if hum/noise appears, examine the audio cabling and AC-
power routing of the new component. In some cases, moving the new
component’s AC cord to a different outlet, or installing a ground-lift (3-to-2-
prong adapter) on its power cord, will eliminate the hum.
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