Mitsubishi WS-55517 User Manual

The TV 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 TV 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 TV is viewing the analog video or 
S-Video signals.

When received with video signals, the TV 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 TV when received over IEEE 

1394.  

The TV 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.

The TV 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 TV 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 have an on-
screen display for these functions.

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.

The TV is not able to control IEEE 1394 devices that use 

other types of control protocols.  Incompatible digital 
audio, video and/or control information will still be able 
to pass from one device through the TV to another 

It is possible to connect devices to the TV that have IEEE 1394 connectors but are not compatible with the TV or with 
the NetCommand

®

 control system. Areas of compatibility to consider are:

device on the network.  These incompatible devices 

may not appear on the Device Selection menu or in the 
Review screen of the Edit NetCommand menu.

Some IEEE 1394 devices such as cable boxes or 
satellite receivers will not have compatible digital 
control signals or require the use of the device’s own 

remote control.  Some of these IEEE 1394 devices 

will not display on-screen information through the 
IEEE 1394 connection and will require using an analog 
connection for on-screen displays.  In many cases, to 
control these digital devices, the Learning feature of 
NetCommand can be used.

1.  Place an IR Emitter for NetCommand in front of the 

device’s remote control sensor

 

(see IR Emitters, 

page 22).

2.  On the Name for 1394 Device screen 

(

Figure 2, page 

46) check mark the Analog Connection check box.

3.  Select the device type on the IEEE 1394 Device Type 

screen (Figure 3, page 47) of cable box, DBS or 
similar tuning device.  

4.  Select “Other” as a manufacturer and then highlight 

“Learn” and press ENTER on the Device screen 

(Figure 4, page 47).

5.  Follow the device learning instructions found in Edit 

NetCommand section of Chapter 3.

6.  The Connection screen (Figure 5, page 47) follows 

the learning screens.  For analog connections, select 
the correct inputs.  If non using analog connections, 
uncheck the audio and video connections for both 
the TV and AVR inputs.

7.  Finalize your choices with the Finish screen.

This will allow NetCommand to use the learned remote 

control signals to control these IEEE 1394 devices.

Note: When using the NetCommand learning 
feature for IEEE 1394 devices that do not have 
analog connections, the GUIDE function will require 
pressing GUIDE twice.  The first press will display 
the TV’s digital channel guide.  The second press 
will display the program guide for the device, if an 
IEEE 1394 guide is available.