Sony HT-7000DH Operating Instructions (HT-7000DH) - Page 73

Precautions, On safety, On power sources, On heat buildup

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x Dolby Surround (Dolby Pro Logic) Audio processing technology developed by Dolby Laboratories, Inc. Center and mono surround information is matrixed into two stereo channels. When reproduced, audio is decoded and output in 4ch surround sound. This is the most common audio processing method for DVD-video. x DTS Digital Surround Digital audio encoding/decoding technology for theaters developed by Digital Theater Systems, Inc. It compresses audio less than Dolby Digital, delivering a higher quality sound reproduction. x HDMI (High-Definition Multimedia Interface) Technology developed by modifying the display connecting technology, DVI (Digital Visual Interface), for AV equipment. This interface can transmit video, audio, and control signals in digital format. x Sampling frequency To convert analog audio to digital, analog data should be quantified. This process is called sampling, and the number of times per second the analog data is quantified is called the sampling frequency. A standard music CD stores data quantified at 44,100 times per second, which is expressed as a sampling frequency of 44.1 kHz. Generally speaking, a higher sampling frequency means better sound quality. Precautions On safety Should any solid object or liquid fall into the cabinet, unplug the receiver and have it checked by qualified personnel before operating it any further. On power sources • Before operating the receiver, check that the operating voltage is identical with your local power supply. The operating voltage is indicated on the nameplate on the back of the receiver. • The unit is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the unit itself has been turned off. • If you are not going to use the receiver for a long time, be sure to disconnect the receiver from the wall outlet. To disconnect the AC power cord, grasp the plug itself; never pull the cord. • One blade of the plug is wider than the other for the purpose of safety and will fit into the wall outlet only one way. If you are unable to insert the plug fully into the outlet, contact your dealer. • The AC power cord must be changed only at a qualified service shop. On heat buildup Although the receiver heats up during operation, this is not a malfunction. If you continuously use this receiver at a large volume, the cabinet temperature of the top, side and bottom rises considerably. To avoid burning yourself, do not touch the cabinet. Additional Information continued 73US

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73
US
Additional Information
x
Dolby Surround (Dolby Pro
Logic)
Audio processing technology developed by
Dolby Laboratories, Inc. Center and mono
surround information is matrixed into two
stereo channels. When reproduced, audio is
decoded and output in 4ch surround sound.
This is the most common audio processing
method for DVD-video.
x
DTS Digital Surround
Digital audio encoding/decoding technology
for theaters developed by Digital Theater
Systems, Inc. It compresses audio less than
Dolby Digital, delivering a higher quality
sound reproduction.
x
HDMI (High-Definition
Multimedia Interface)
Technology developed by modifying the
display connecting technology, DVI (Digital
Visual Interface), for AV equipment. This
interface can transmit video, audio, and
control signals in digital format.
x
Sampling frequency
To convert analog audio to digital, analog data
should be quantified. This process is called
sampling, and the number of times per second
the analog data is quantified is called the
sampling frequency. A standard music CD
stores data quantified at 44,100 times per
second, which is expressed as a sampling
frequency of 44.1 kHz. Generally speaking, a
higher sampling frequency means better sound
quality.
Precautions
On safety
Should any solid object or liquid fall into the
cabinet, unplug the receiver and have it
checked by qualified personnel before
operating it any further.
On power sources
•
Before operating the receiver, check that the
operating voltage is identical with your local
power supply.
The operating voltage is indicated on the
nameplate on the back of the receiver.
•
The unit is not disconnected from the AC
power source (mains) as long as it is
connected to the wall outlet, even if the unit
itself has been turned off.
•
If you are not going to use the receiver for a
long time, be sure to disconnect the receiver
from the wall outlet. To disconnect the AC
power cord, grasp the plug itself; never pull
the cord.
•
One blade of the plug is wider than the other
for the purpose of safety and will fit into the
wall outlet only one way. If you are unable to
insert the plug fully into the outlet, contact
your dealer.
•
The AC power cord must be changed only at
a qualified service shop.
On heat buildup
Although the receiver heats up during
operation, this is not a malfunction. If you
continuously use this receiver at a large
volume, the cabinet temperature of the top,
side and bottom rises considerably. To avoid
burning yourself, do not touch the cabinet.
continued