IRC-2
S
PECIFICATIONS
IR System
Compatible with virtually all brands of
remotes using carrier frequencies between
20 and 455 kHz.
IR Transmitting Range
Up to 4 feet (Typically mounts to the IR sen-
sor window of an audio/video component).
IR Transmitting Angle
Transmits in a “pinpoint” transmission pat-
tern (the off-axis power drops off very
rapidly).
Unit Dimensions
5/16” Wide x 11/16" High x 3/16" Long.
Mounting
Supplied with self-adhesive tape attached
to the unit.
Wiring Requirements
Supplied with 10 feet of 2-conductor 24
gauge connecting wire. Substitute an 18
gauge 2-conductor wire for distances rang-
ing from 10 to 20 feet and a 16 gauge 2-
conductor wire for up to 200 feet.
IR Blocking Cover Dimensions
2" Wide x 2" High x 1/4" Deep.
Optical IR Feedback Loop
If there is an IR sensor and an IR flasher
located within the same room—an "optical
IR feedback loop" can occur. This occurs
when the IR output from a flasher uninten-
tionally reaches an IR sensor located within
the same room. The IR commands are
eventually forwarded back to the IR flasher
and the whole process endlessly repeats
itself. This effect is similar to acoustical
feedback (the howling or whistling sound
heard in a P.A. system when the micro-
phone is placed too close to the speaker).
The optical IR feedback loop can be elimi-
nated by one of the two following methods:
1. Place the IR blocking cover over the IRC-2.
2. Reduce the flasher output until normal
operation resumes. This is done by turning
the Flasher Level Adjust (located on the
Main System Unit) counter-clockwise.
If problems persist, refer to the user's
manual for the Main System Unit or con-
tact your local Niles dealer.
We recommend connecting IRC-2
MicroFlashers to the “variable” flasher
output terminals on Niles Main System
Units. The flasher level controls should
be set by first starting at the minimum
(fully counter-clockwise) position and
increasing the output (clockwise) until
the equipment responds reliably. A
maximum of four IRC-2 MicroFlashers
or two IRC-1 High-Output flooding
flashers may be connected to a single
flasher output terminal.
For main system units that enable you
to adjust the flasher level, try adjusting
the flasher level up or down (some
components’ sensors are overloaded
by too strong a command from the
IRC-2). If the operation of the compo-
nent improves when the flasher level
is all the way down, but it is still not
perfect, try moving the IRC-2 so that
it is farther away from the sensor win-
dow or off to the side of the sensor
window. If adjusting the level down
makes no change, or makes operation
even worse, return the level to the full
power position (clockwise).
T
ROUBLESHOOTING
This troubleshooting section addresses
t h e m o s t c o m m o n p r o b l e m s t h a t
prevent an infrared flasher from oper-
ating correctly.
Testing the Remote Control
Test that the hand-held remote control
operates the component when you
point it at the front panel (check the
batteries if it does not).
Main System Unit Power Supply
Check that the red power light on the
Main System Unit is lit (the wall adapter
should be plugged into an active AC
wall outlet and the wall adapter has to
be supplying 12V DC).
Adjusting the Flasher Level
WARNING! IRC-2 MICROFLASHERS
MAY BE DAMAGED BY EXCESSIVE
FLASHER LEVEL OUTPUT FROM THE
MAIN SYSTEM UNIT!
2. It prevents the IR output of the IRC-2
from radiating out into the room.
Mounting the IR Blocking Cover
Make sure the mounting surface is clean
before installing the blocking cover. You
may improve the appearance by trim-
ming the cover with scissors to exactly
cover the sensor window. Mount the
blocking cover (using the self-adhesive
tape) so that the IRC-2 and the IR sensor
window of the component are complete-
ly enclosed (See Figure 3).
inches from the plug, strip off 1/4”, and con-
nect your additional wiring between the ends
of the original flasher wire. For distances
between 10 and 20 feet, upgrade the
original wire to an 18 gauge 2-conductor
wire. For distances of up to 200 feet a 16
gauge 2-conductor wire should be used.
To prevent your A/V component from
receiving IR commands from sources
other than the IRC-2, the IR blocking
cover should be used.
Using the IR Blocking Cover
The plastic IR blocking cover is designed
to cover both the IRC-2 and the IR sensor
window of the component. The blocking
cover serves two functions:
1. It ensures that a component receives IR
signals solely from the IRC-2.
FIGURE 3 Mounting the IR blocking cover
TECH TIP
Wire size is
expressed by its
AWG (American
Wire Gauge) num-
ber. The lower the
number, the larger
the wire, i.e. twelve
AWG is physically
larger than fourteen
AWG.
NILES
IRC-2
MicroFlasher
™
I N S T A L L A T I O N & O P E R A T I O N G U I D E
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L E N D I N G
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I D E L I T Y
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R C H I T E C T U R E
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www.nilesaudio.com
Niles Audio Corporation
12331 S.W. 130 Street Miami, Florida 33186
Tel: (305) 238-4373 Fax: (305) 238-0185
© 1999 Niles Audio Corporation. Because Niles strives to
continuously improve its products, Niles reserves the right to change
product specifications without notice. Niles, the Niles logo and
Blending High Fidelity and Architecture are registered trademarks of
Niles Audio Corporation. MicroFlasher is a trademark of Niles Audio
Corporation. Printed in USA DS00119B
®
