Mitsubishi lt-3280 Owner's Manual

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Chapter 2: Connecting
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•  Do not place an IEEE 1394 device between the 
media center and the display. 
•  Do not make a  loop with the last device in the 
chain.  When the device chain is looped, the 
media center may not be able to work with the 
other devices.
•  Place devices that have only a mechanical (two-
position) power switch at the end of the chain or 
leave the power switch in the On position.  When 
turned Off, IEEE 1394 signals may not be able to 
pass through the device to other devices.
•  Place devices with the slowest communication 
speed at the end of the chain.  Sometimes the 
communication speed will be marked near the 
IEEE 1394 connector with an “S” number.  The 
higher the number, the faster the communication 
speed.  This media center has a communication 
speed of S400.  Devices with slow communication 
speed can interfere with IEEE 1394 signals from 
faster devices.  When using NetCommand to set 
up a digital recording between a faster and slower 
device, the slower device should be the source 
and the faster device should be the recorder.
•  Do not use an IEEE 1394 cable longer than 15 feet 
between each device.
•  The media center is an IEEE 1394a Device.  IEEE 
1394b is currently under development.  This 
system will provide for longer distances and multi-
room applications.  Included in the IEEE 1394b 
systems are IEEE 1394a to IEEE 1394b converters 
to maintain compatibility with this media center 
and other IEEE 1394a devices.
Compatible IEEE 1394 Device
It is possible to connect devices to the media center that 
have IEEE 1394 connectors but are not compatible with 
the media center or with the NetCommand® control 
system. Areas of compatibility to consider are:
1.  Digital Video Signals 
The media center is able to decode MPEG2 video.  Other 
types of digital video, such as DV video provided by 
some camcorders, must be decoded by the source 
device and sent to the media center as analog video or S-
Video.  If the camcorder uses a compatible digital control 
system, the IEEE 1394 cable can still provide control for 
the camcorder while the display is receiving the analog 
video or S-Video signals.
2.  Digital Audio Signals 
The media center is able to decode Dolby Digital signals 
and MPEG audio signals.  Other types of digital audio as 
provided by some digital recording devices, such as MP3 
audio and DTS audio, cannot be decoded by the media 
center when received over IEEE 1394.  
The media center may not be able to pass incompatible 
digital audio signals on the coaxial digital audio output, 
however these signals may pass on the IEEE 1394 cable 
to other devices.
3.  Digital Control Signal
The media center is able to act as the control center for 
IEEE 1394 audio/video devices, such as  VCRs, A/V Discs, 
tuners, cable boxes and amplifiers that are compatible 
with the following IEEE 1394 control standards.
•  EIA-775 is designed for tuning devices such as cable 
boxes allowing the device to send simple graphics.  
However, this standard does not allow the media 
center to control the cable box by IEEE 1394.
•  AV/C (Audio Video Control) is designed to provide 
basic controls such as play, stop, channel selection 
and volume, as appropriate for the device. 
Some devices may be a combination of two or more 
types of devices.  For example, there may be a recording 
device that is also a tuning device.  Each portion of the 
device is called a sub-unit.  When you select a device on 
the Device Selection menu that has sub-units, a pop-
up menu will appear so you can select which sub-unit 
section you wish to use.