Niles MS-1 Troubleshooting guide

MS-1

INSTALLATION & OPERATION GUIDE

MODEL

MS-1

MICROSENSOR™MINIATURE INFRARED SENSOR

MS-1

Introduction

The MS-1 is a miniature IR sensor designed for use with the

Niles Infrared Repeating systems.

Installed in a remote room location, the MS-1 receives the IR

commands transmitted from your existing hand-held

remotes in that room. The commands are carried via a small

2-conductor shielded cable to your A/V equipment in anoth-

er room, and instantly "repeated".

The MS-1 is compatible with all current Niles infrared

systems. It may be used along with, or as an alternative to,

the Niles IRR4D+, IRR4S+, SCW-UIR, MS-2, TIR1+ and MS360

IR sensors.

The MS-1 is just one part of the three building blocks neces-

sary to complete a Niles IR repeating system:

●Main System Unit—IntelliControl™, RVL-6, IRP2+, IRP6+,

IRZ6+.

●IR Sensors—Models IRR4D+, IRR4S+, SCW-UIR,

TIR1+, MS-1, MS-2 and CMS-3.

●IR Flashers—Models IRC-1and IRC-2.

An expansion unit, Model XRP6+, is available for IR repeater

systems requiring control in more than six rooms.

TABLE OF CONTENTS

Introduction 1

Features and

Benefits 2

Installation

Considerations 3

Installation 9

Operation 11

Trouble-

shooting 12

Specifications 14

INIATURE

NFRARED

ENSOR

MS-1

MicroSensor

Miniature

IR Sensor

Features and Benefits

The MS-1 offers a number of improvements over other

miniature IR sensors.

●Small size of only 1/2" diameter by 2-5/16" long—fits

almost anywhere.

●Universal system—compatible with virtually all brands of

A/V equipment and remote controls.

●Excellent IR receiving range—you get 18 to 30 feet of

remote control range (depending upon the strength of

your handheld remote).

●100% factory tested for pickup range and angle.

●Green "flash-back" L.E.D. visually confirms remote control

operation.

●Simple 3-wire hookup—10 feet of IR cable included.

●Printed circuit board design uses surface mount technology

(SMT), assuring high reliability.

●Ideal for both home and commercial installations.

●Bezel colors: Each MS-1 includes a black and white bezel.

●Two year parts and labor warranty.

●Proudly made in the USA.

INIATURE

NFRARED

ENSOR

IMPORTANT

Refer installation

to a professional

custom installer if

you are unfamiliar

with any of the

following

procedures.

Installation Considerations

Type of Cable

The MS-1 connects to the Niles Infrared Systems with an

individual home run of 2-conductor shielded cable.

Recommended cables are Niles data grade IR cable, West

Penn D291, Belden 8761, Carol C2516 or equivalent, made

of two 22 gauge (or larger) conductors surrounded by a foil

shield and a bare drain (ground) wire.

DO NOT USE UNSHIELDED CABLE WITH THE MS-1.

MS-1 Mounting Location

The MS-1 is ideal for use in applications when tabletop, ceil-

ing, or wall-mounting is undesirable. Its small size and unob-

trusive appearance makes it ideal for installation in obscure,

hidden locations, in cabinet facings, or in the “sensor knock-

out built into Niles in-wall loudspeakers. Installing the MS-1

close to the primary location of the user will ensure best per-

formance.

The MS-1 is designed to flush-mount almost anywhere.

Convenient mounting locations for the MS-1 are:

●In a cabinet door

●In a wall, or wall-plate

●Behind a speaker grille*

* Some types of speaker grilles will reduce the IR pickup range of the

MS-1. If unsure, test the pickup range before permanently installing

the MS-1 behind the speaker grille.

INIATURE

NFRARED

ENSOR

TOOLS

REQUIRED

• 1/8" Standard

Slotted

Screwdriver

• Adjustable

wrench or pliers

• Wire Stripper

Receiving Range and Pickup Angle

The receiving range of the MS-1 will vary according to the IR

output strength of the remote control being used. Remote

strength varies among brands depending on the number

and size of batteries used, and how many IR emitters the

remote has. For example, remotes that operate on two small

AAA batteries and have only one IR emitter are generally not

as strong as remotes that use the larger AA size batteries and

have two emitters. Tests with various manufacturers' remote

controls have shown that the operating range can vary from

a minimum of 18 feet to a maximum of about 30 feet.

Infrared signals travel essentially line-of-sight. They will not

pass through or around solid objects. Do not rely on an IR

signal being able to "bounce" off a wall or object to the MS-1.

The IR pickup angle of the MS-1 is 60ooff-axis (horizontal

and vertical) at 18 feet. For more information see (Figure 3)

MS-1 Operating Range on Page 11.

Avoiding Optical Interference

As with any type of IR sensor, avoid locating the MS-1 where

it will be exposed to direct sunlight. The sun emits an enor-

mous amount of IR energy, many times stronger than that of

a hand-held remote. Keep in mind that the less sunlight the

MS-1 receives, the better the range of the remotes.

DO NOT mount the MS-1 outdoors. During daylight hours,

you will experience poor range and/or interference.

INIATURE

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Avoiding Electrical Interference

Avoid locating the MS-1 near any potential sources of electri-

cal or optical noise, such as light dimmers, florescent lighting

fixtures, low-voltage lights, and neon lights.

If you are installing the MS-1 near a television, keep it at least

6" away from the top, bottom or sides of the TV to avoid

interference. Avoid running the MS-1's cable on the top of

the TV, or near the back cabinet of the TV. This will help

reduce the possibility of interference.

DO NOT INSTALL THE MS-1 INTO ELECTRICAL BOXES WITH

110 VOLT DEVICES.

Some states or municipalities allow devices such as the MS-1

to be installed into the same electrical box as 110 volt

devices, provided a "low-voltage partition" is used between

the devices. We do not recommend this. The cable connect-

ed to the MS-1 can act as an "antenna" for electrical noise.

Locating the MS-1 cable too close to a light dimmer or

switch may interfere with the MS-1. If you must locate the

MS-1 near electrical devices, install it in a separate metal elec-

trical box, ground the box to the electrical system ground,

and route the MS-1 cable several feet away from all electrical

wiring.

INIATURE

NFRARED

ENSOR

"TECH TIP"

Do not install the

MS-1 next to a light

dimmer, or where it

will be exposed to

direct sunlight.

Avoiding Optical Feedback

If installing the MS-1 in the same room as an IR flasher, it is

possible for the flasher's IR output to be picked-up by the

MS-1. This effect, known as an optical feedback loop, can

cause erratic operation. Optical feedback is similar to acousti-

cal feedback: the howling or whistling sound heard in a P.A.

system when the microphone is too close to the speaker. To

avoid optical feedback:

1. Lower the output power of the flasher(s) using the variable

flasher level control(s) on the Niles Main System Units.

2. Re-position the flasher(s) and/or the sensor.

3. Use Niles IRC-2 flashers and cover them with the supplied

IR blockers.

Changing the Color of the MS-1

The bezel surrounding the lens on the MS-1 is removable,

allowing fast and easy color changes as needed. A black and

white bezel are included with your MS-1. If you desire, you

may paint the MS-1 bezel yourself—to blend it seamlessly

into your decor.

If you need to change the color of the MS-1:

1. Hold the MS-1 as shown in (Figure 1)on next page.

Unscrew the bezel by turning it counter-clockwise. Note

that the MS-1's lens is held in place by the bezel—be

careful not to lose it.

INIATURE

NFRARED

ENSOR

2. Hold the MS-1 so that the front of it is facing you, mak-

ing sure that the lens is in place. Screw the new bezel onto

the MS-1 by turning it clockwise.

INIATURE

NFRARED

ENSOR

Figure1

Removing the Bezel

INIATURE

NFRARED

ENSOR

(a) Hex Nut (supplied)

(b) Washer (supplied)

(d) IR Cable (10 feet supplied)

(e) MS-1 Miniature IR Sensor (supplied)

(f) MS-1 Lens Bezel (supplied)

INIATURE

NFRARED

ENSOR

Installation

If you are installing the MS-1 into an existing wall, take time

to consider any possible obstructions which may be hidden

inside the wall, such as wood and metal studs; electrical, tele-

phone or other types of wiring; plumbing; conduit; old wall

safes; etc.

1. Determine a mounting location for the MS-1. Select a

location where you will have access to the rear of the MS-1

after it is installed. This will allow you to securely tighten the

MS-1 to the mounting surface using the supplied hardware.

2. Drill a 1/2" hole where the MS-1 will be mounted.

3. Run the MS-1's IR cable. Label the cable for future refer-

ence. The MS-1 is supplied with 10' of pre-stripped IR cable.

The IR cable may be shortened or lengthened as needed. If

you want to make the MS-1's cable shorter, use a pair of wire

cutters to cut the cable to the desired length. The IR cable

may be lengthened by splicing it to a recommended IR cable

(See Installation Considerations—Type of Cable). You may

splice the MS-1 cable to another cable by soldering or crimp-

ing the connections.

4. Connect the MS-1 cable to the Main System Unit. Strip

1/4" of insulation from the end of each wire. Tightly twist the

end of each wire until there are no frayed ends. Insert the end

of each wire into the appropriate hole on the Main System

Unit's connector block; secure the wiring to the connector by

tightening the small connector screws. Double-check all con-

nections. See (Figure 2).

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