User`s guide

22
Introduction
TV front and side panel controls and connections
2 USB ports
1 Digital Audio jack
3 HDMI
®
ports
ARC HDMI
®
only port
Power LED
Remote sensor
Ambient light sensor
(Sample Illustration) L7400U Series front and side panel controls and
connections
Front panel
1 Power On/Standby LED—Power indicator light, (glows green
when the TV power is On).
2 Ambient light sensor—This sensor detects the ambient light
conditions to optimize the backlighting levels, see “Ambient Light
Sensor” on page 103.
3 Remote Sensor—Point the remote control toward this remote
sensor, see “Remote control effective range” on page 46.
Left side
4 3 HDMI
®
Ports—High-DenitionMultimediaInterfaceinput
receives digital audio and uncompressed digital video from an
HDMI
®
device. HDMI
®
connection is necessary to receive 1080p
signals.
5 ARC HDMI
®
only port—Audio Return Channel (ARC) enables
theaudiosignaloftheTVtobesenttoanAVamplierviathe
HDMI cable.
6 Digital Audio Jack—Optical audio output in Dolby
®
Digital, DTS
®
or PCM (pulse-code modulation) format for connecting an external
Dolby
®
Digital and/or DTS
®
decoder,amplier,A/Vreceiver,or
home theater system with optical audio input.
7 2 USB Ports—Usedtoaccessvideo,music,orphotoleswith
USB device.
TV front and side panel controls and connections