38 Connecting Your TV

HDMI® ARC (Audio Return Channel) feature

This feature enables the audio signal of the TV to be sent to an audio system
via the HDMI® cable. It will not be necessary to connect a cable from the
audio output of the TV to the audio input of the audio system to reproduce
the audio received from the tuner of the TV through the audio system.
❖Output of digital audio will be performed according to the Digital
Audio Output settings. For detailed settings, see “Selecting the
optical audio output format” on page 111.
Connecting a computer
With either the PC IN or HDMI® connection, you can view your
computer’s display on the TV and hear the sound from the TV’s speakers.

Connecting a computer to the TV’s PC IN terminal

When connecting a computer to the PC IN terminal on the TV, use an
analog RGB (15-pin) computer cable and a PC audio cable. For more
information, see “Overview of cable types” on page 25.
PC AUDIO IN
PC IN
Conversion adapter
(if necessary)
PC audio
cable
PC audio
output
TV back panel
Computer
(Sample Illustration) L7400U Series—Connecting to a computer
through analog RGB cable
To use a computer, set the monitor output resolution on the computer
before connecting it to the TV. The supported signal formats are VGA,
SVGA, XGA, WXGA and SXGA. For detailed signal specications, see
“Acceptable signal formats for PC IN, and HDMI®” on page 173.
Other formats or non-standard signals will not be displayed correctly.
To display the optimum picture, use the computer setting feature, see
Connecting a computer