6. NetCommand 51
IR Emitter Placement (NetCommand)
An IR emitter cable is inc luded with LT-40134, LT-46144, and
LT-52144 TV models only.
The NetCommand system uses emitters co nnected to
the
IR EMITTER
jack to control other devices such as
DVD players, cable boxes, satellite receivers, and VCRs.
1. Connect the plug end of the sup plied IR emitter
cable to the
IR EMITTER NetComma nd®
jack on the
TV back panel #2 (in recessed a rea).
2. Run the cable for each of the emitter ends under,
alongside, or over each device to be controlled so
that the emitter end is in front of the area where the
remote control sensor is located.
3. Position the emitter end with the emitter bulb facing
the remote control sensor. The bulb emits infrared
light in a cone-shaped pattern. Place the bul b far
enough from the sensor to allow the cone pattern
to reach the sensor.
The IR sensor is usually behind the plastic win dow
of the front display panel. It is sometimes visible
with the aid of a flashlight and is normally a round
or square cutout behind the plastic. If you cannot
see the sensor and the device’s Owner’s Guide
does not specify the location, you can find it by
following these steps using the device’s remote
control:
a. Hold the device’s remote about one-half inch
from the front of the device. Starting from one
end of the display window plastic, press the
POWER
button.
b. If the devic e does not respond, move the
remote control one inch toward the center and
try again.
c. Repeat this until the device responds.
d. Note this location and then start over from the
other end of the display window plastic, repeat-
ing until the device responds again.
The remote control sensor is somewhere
between these two positions. This is usua lly
enough accuracy for placement of the IR emit-
ters.
With some devices, the emitter works better
facing downward from the top of the device.
Experiment to find what works best.
4. Secure the emitter ends in place u sing double-
sided tape.
5. Place any unused ends behind the devices to
prevent stray signals from reaching the IR sensor s.
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Place IR emitters so the signal c an be “seen” by the IR
sensor on each device.
IMPORTANT
Position IR emitter s so that each device’s
sensor “sees” the si gnal from only one emitter.
Otherwise, a devi ce receiving signals from
multiple sources (r emote controls, IR emitte rs)
may not respond at all.