Niles MS-2 Installation & Operating Manual

Miniature surface-mount ir sensor

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Introduction

3. Infrared Flashers transmit the infrared sig-

NTRODUCTION

nals from the main system unit to your A/V com-

The MS-2 is a miniature IR sensor designed for

ponents. Niles manufactures both "flooding"

use with a Niles Infrared Extender System.

flashers (model IRC-1) and miniature "pin-point"

flashers (model IRC-2). Flashers are the "voice"

An IR (infrared) extender system enables you to

of an IR extender system.

control your IR remote controlled A/V equip-

ment from a remote location. This allows you to

In a typical system (Figure 1) the MS-2 remote

place your A/V components out of sight (behind

room sensors are placed in convenient locations

cabinet doors, in the rear of a room, or in a dif-

and are connected to a main system unit. The

ferent room) and still conveniently control your

main system unit is connected to power via its

equipment.

12VDC power supply. In this example, the IRP-2

main system unit powers four IRC-2

The MS-2 is an IR Sensor. It is one of three

MicroFlashers™ which are attached to the front

elements that make up an infrared exten-

panel sensor windows of four A/V components.

der system:

1. IR Sensors receive IR commands from hand-

held remote controls and relay the commands

MS-2 IR Sensor in a remote location.

to the Main System Unit via a 2-conductor

shielded cable. Generally, sensors are placed so

that you can easily and naturally point your

remote control directly at them. Niles offers an

array of easily concealable sensors: wall-mount,

ceiling-mount, surface-mount and table-top. IR

sensors are the "eyes" of the system.

+12V DC

FLASHER LEVEL

FLASHERS

VAR

FULL

2. The Main System Unit provides a connec-

+ -

tion hub for the IR sensors and the IR flashers

IR Main System Unit.

and is generally located near the A/V compo-

nents. The main system unit's level controls and

LED indicators enable you to calibrate and trou-

Figure 1

bleshoot an IR extender system. The main sys-

tem unit is the "heart" of an IR extender system.

MS-2 P

EATURES AND

ENEFITS

EATURES AND

ENEFITS

Quick and Easy Placement

6 Feet of 2-Conductor

The tiny housing (available in black or white)

Shielded 28 Gauge

Connecting Wire

and attractive appearance of the MS-2 give you

many placement possibilities. For instance, you

could place a black MS-2 immediately above

the sensor window of your television set. A

white MS-2 could be mounted to the front of a

white speaker grille. In either case the sensor

blends with its surroundings and mounts quickly

and easily with its self-adhesive mounting strip.

"Flashback"LED

Sensible Operation

Every time you press a button on your remote

NSTALLATION

control, the bright green "flashback" LED confirms

that the MS-2 has received a command. If your

Wiring MS-2 Sensors

remote control's batteries are weak and need to

From every IR Sensor location, you must "home-

be replaced, the absence of the "flashback" LED

run" a cable back to the main system unit.

will remind you.

"Home run" means an individual cable is con-

nected between each IR Sensor and the main

Universal System

system unit. You should never daisy-chain (con-

The MS-2 is compatible with virtually all brands

nect in parallel) two or more IR Sensors to a sin-

of A/V equipment. You can freely mix compo-

gle input. (see Figure 2)

nents for the best performance.

Combining MS-2 Sensors with Niles Keypads

Performance Guaranteed

SENSOR

IR DATA

OUT

There is only one exception to the "home run"

IRP-2

100% tested, electronically for range, angle of

NILES

wiring rule is when you are placing both a key-

pickup, and brightness. The MS-2 has a limited

pad and a sensor (or two keypads) in one room.

two year parts and labor warranty. The MS-2 is

Only in this case may you "daisy-chain" a single

proudly made in the U.S.A.

cable. A cable is run between the keypad and

the sensor, then a single cable is run from either

the sensor or the keypad back to the main sys-

tem unit. See Figure 3.

3 3

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ARTS

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IR Main System Unit

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Backed

MS-2

Strip for

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Mounting

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Figure 2 : Home run the Sensor cable from each

sensor to the IRP-2.

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IR Main System Unit

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Green

High Sensitivity

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Photo Diode

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MS-2 / Keypad

ONSIDERATIONS

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Figure 3 : An IR Sensor cable is "daisy-chained" from

an MS-2 to a Keypad and then back to the Main

System Unit. Never "daisy-chain" two IR sensors.

Type of Cable

The MS-2 connects to the IR main system unit

with 2-conductor shielded cable. We recom-

mend "data grade" cables made of two 28 gauge

(or larger) conductors surrounded by a foil

shield and a bare drain (ground) wire. Data

grade cable provides the capability for runs of

up to 500 feet to each sensor. Examples are

West Penn D291, Belden 8761 or Carol C2516.

Any non-data grade 22-16 gauge 2-conductor

DO NOT USE UNSHIELDED CABLE WITH THE MS

Receiving Range and Pickup Angle

"TECH TIP"

The receiving range of the MS-2 will vary accord-

Wire size is

ing to the IR output strength of the remote control

expressed by its

being used. Remote strength varies among brands

AWG (American Wire

Gauge) number. The

by the number and size of the batteries used, and

lower the number,

how many IR emitters the remote has. For exam-

the larger the wire,

ple, remotes that operate on two small AAA bat-

i.e. twelve AWG is

physically larger than

teries and have only one IR emitter are generally

fourteen AWG.

not as strong as remotes that use the larger AA

size batteries and have two emitters. Tests with

shielded cable, available at an electronic parts

various manufacturers' remote controls have

store, will enable 150 foot runs to each sensor.

shown that the operating range can vary from a

Data grade cable is available from Niles:

minimum of 18 feet to a maximum of about 30

Part# FG00668.

feet. The IR pickup angle of the MS-2 is 60

axis (horizontal and vertical) at 18 feet.

MS-2 Mounting Location

Locating the MS-2 in the center of a room usual-

Infrared signals travel essentially line-of-sight. They

will not pass through or around solid objects. Do

ly results in the most even IR receiving cover-

not rely on an IR signal being able to "bounce" off

age, especially if the room is square shaped.

a wall or reflective object to the MS-2.

Rooms that are L-shaped or long and narrow

require more careful consideration. With these

When installing the MS-2 behind a speaker

types of rooms, installing the MS-2 closest to the

grille expect to reduce the range of your remote

primary location of the user will ensure the best

controls by half.

performance.

Avoiding Optical Interference

The MS-2 is designed to surface-mount almost

As with any type of IR sensor, avoid locating the

anywhere. Convenient mounting locations for

MS-2 where it will be exposed to direct sunlight.

the MS-2 include:

The sun emits an enormous amount of IR ener-

On the front panel of a television set, facing

gy, many times stronger than that of a hand-held

the viewer

remote. Keep in mind that the less sunlight the

On the front surface of a wall, a cabinet, an

MS-2 receives, the better.

appliance, or a speaker grille

DO NOT mount the MS-2 outdoors. During

Behind a speaker grille (speaker grilles typically

daylight hours, you will experience poor opera-

reduce the effective range of an MS-2 to 15 feet)

tion and/or interference.

Other potential sources of optical interference

include:

1. Bright reflections from windows, mirrors,

swimming pools, shiny floors or objects.

2. Placing the MS-2 within a few inches of a flu-

orescent light.

3. Placing the MS-2 within the same room as a

Neon sign.

Avoiding Electrical Interference

Avoid locating the MS-2 near any potential

sources of Electro-Magnetic Interference (EMI),

off-

The most common sources are:

1. Some mounting positions on the front panel

of a television (particularly large direct view

sets ). If you are installing the MS-2 near a

television, test for an interference-free mount-

ing position (See page 9; Testing for EMI)

before permanently mounting it in place.

2. Light dimmers or variable speed controls for

ceiling fans. These controls emit more inter-

ference when turned down halfway. They

emit little or no interference when turned up

all the way (brightest or highest position).

3. Fluorescent Lights The electronic ballast

sometimes emits EMI.

4. Large appliances (air-conditioners, pumps,

motors, compressors; etc.)

5. AC line noise (noise brought into the system

via the wall outlet connected to the main sys-

tem unit)

OVER PLEASE

Summary of Contents for Niles MS-2

Page 1 12VDC power supply. In this example, the IRP-2 main system unit powers four IRC-2 Sensible Operation The MS-2 is an IR Sensor. It is one of three MicroFlashers™ which are attached to the front Every time you press a button on your remote elements that make up an infrared exten- panel sensor windows of four A/V components.
Page 2 Niles Audio Corporation 12331 S.W. 130 Street Miami, Florida 33186 2. Connect the MS-2 to a main system unit and Tel: (305) 238-4373 Fax: (305) 238-0185 plug in the 12VDC power supply. 3. Place the MS-2 in the proposed mounting loca- ©...

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