MSA ClearCommand 10023056 Manual

ClearCommand™

Communications

System

OPERATING AND MAINTENANCE INSTRUCTIONS

Voice Amplifier/Radio Interface

The warranties made by MSA with respect to the product are

voided if the product is not used according to the instruc-

tions in this manual. We encourage our customers to write

or call for a demonstration of this equipment prior to use, or

for any additional information relative to use or repairs. Call

1-800-MSA-2222 during regular working hours.

NIOSH and NFPA certified as an accessory for the Ultra Elite

facepiece for use with the MSA MMR, MMR with Slide

Connection and BMR breathing apparatus only.

Read this manual carefully if you have or will have the

responsibility for using or servicing the product. The

ClearCommand™ Communications System from MSA will

perform as designed only if used and serviced according to

the instructions. Otherwise, the product could fail to per-

form as designed, and persons who rely on this product

could sustain serious personal injury or death.

WARNING

TAL 009 (L) Rev. 1 © MSA 2000 Prnt. Spec. 10000005389(B) Mat. 10022714

Doc. 10000008196

Amplifier P/N 10023056

Amplifier RI P/N 10023057

10022714 9/26/00 11:42 AM Page 1

DESCRIPTION / PREPARING FOR USE

NIOSH APPROVAL INFORMATION

CAUTIONS AND LIMITATIONS

I - Contains electrical parts which have not been evaluat-

ed as an ignition source in flammable or explosive

atmospheres by MSHA/NIOSH.

N - Never substitute, modify, add, or omit parts. Use only

exact replacement parts in the configuration as speci-

fied by the manufacturer.

S - Special or critical User’s Instructions and/or specific

use limitations apply. Refer to User’s Instructions

before donning.

SPECIAL USERS INSTRUCTIONS

1. Do not alter this unit. You will void the intrinsic-safety

rating, and may affect the intrinsic-safety of the

device.

2. Evaluate this unit and any radio transceiver with which

it may be used before entering a hazardous atmos-

phere. Be certain that this unit is not affected

adversely by radio frequency energy.

3. Evaluate this unit and any radio transceiver with which

it may be used as a source of radio frequency interfer-

ence to other apparatus before entering a hazardous

atmosphere.

4. Misuse or abuse of the ClearCommand, or the equip-

ment to which it is attached, or using this equipment

in a manner or situation not intended by the manufac-

turers, may result in damage to the ClearCommand, or

equipment connected to the ClearCommand, or may

result in personal injury or death to the user or per-

sons dependent on the user.

5. Always inspect the communications system for dam-

age before use. If damage is found, tag the cable and

immediately remove the device from service. NEVER

USE A DAMAGED OR NON-FUNCTIONAL COMMU-

NICATIONS SYSTEM!

Note: The ClearCommand Amplifier or Amplifier RI are for

use with an Ultra Elite facepiece. They cannot be used

without the proper installation of the ClearCommand

Bracket and Voicemitter Kit from MSA (P/N 10023055)

DESCRIPTION

The ClearCommand™ Communication System (Amplifier

RI Version) allows a user to communicate clearly and easi-

ly, both face-to-face and over a hand-held radio, while

wearing an SCBA equipped with a Ultra Elite facepiece.

The ClearCommand Voice Amplifier consists of three sep-

arate assemblies: An internal microphone assembly, a

mounting bracket, and either a voice amplifier or a voice

amplifier with radio interface. The voice amplifier RI (radio

interface) includes an earspeaker and cable to connect to

a radio unit. Each amplifier has a Low Battery LED indica-

tor. The amplifier can be attached or removed from the

facepiece in seconds without tools.

The amplifier operates from two standard AAA alkaline

batteries and notifies the user when the batteries need

replaced.

Intrinsically-Safe Rating

The ClearCommand Communication System is certified

Intrinsically-Safe in the United States for use in Class 1,

Division 1, Groups A, B, C, D, E, F, and G hazardous loca-

tions.

The ClearCommand Communication System is certified

intrinsically-safe in Canada CAN CSA-C22-2- No. 157-92

Note: The intrinsically-safe level of any system which

uses the ClearCommand is that of the lowest intrinsically-

safe rating of any single component in the system.

Substitution of components may eliminate or compro-

mise intrinsic safety.

2TAL 009 (L) Rev. 1 - 10022714

TABLE OF CONTENTS

NIOSH APPROVAL INFORMATION ...................................2

Cautions and Limitations................................................2

Special Users Instructions..............................................2

DESCRIPTION....................................................................2

Intrinsically-Safe Rating .................................................2

SYSTEM OPERATION (with SCBA) ..................................3

Amplifier..........................................................................3

Amplifier Radio Interface ................................................3

Using the Radio without the Amplifier RI .......................3

CLEANING and MAINTENANCE........................................3

Cleaning and Disinfecting...............................................4

Inspection .......................................................................4

Storage ..........................................................................4

Battery Disposal .............................................................4

REPAIR PROCEDURES .....................................................4

Replacement Parts .........................................................4

CAUTION

10022714 9/26/00 11:42 AM Page 2

PREPARING FOR USE

Assembly of Amplifier or Amplifier RI to Bracket

1. Ensure dust cover is

removed from mount-

ing bracket (two pins)

connector.

2. Attach the amplifier

onto the bracket with

the hook at the front of

the amplifier. Align the

amplifier so two pins of

the connector are cor-

rectly in position, press

the amplifier into place

on the bracket and

tighten thumbscrew on

back side of mounting

bracket.

3. If not using radio, wrap the cable around the lens ring

and connect the cable to the clip on the right side.

Always test the ClearCommand Communication

System for damage and be sure it operates properly

before entering any hazardous atmosphere. Do not

use this device unless it passes all inspection and

operational tests. Failure to follow this precaution can

result in serious personal injury or death.

Amplifier

1. Don the SCBA Ultra Elite facepiece following the

instructions supplied with the SCBA.

2. Turn the Voice Amplifier ON:

a. Depress the on/off button on the Amplifier and then

release it.

b. Look through the facepiece lens. A small, red LED

should be illuminated at the top of the amplifier

housing. If the LED is flashing, the battery is low

and must be replaced before you use the Amplifier.

c. For amplifier full-time use, the on/off button must

be ON. All face-piece audio is reproduced at the

amplifier.

Note: The on/off button remains ON until you press and

release the button. Always be sure to turn the unit OFF

(red LED should not be illuminated) before storing the

facepiece. If left ON, the battery will be depleted.

3. Speak into the facepiece in a normal voice. Your voice

is projected from the amplifier’s speaker.

Amplifier Radio Interface (RI)

Read and follow the Amplifier RI procedure. Be sure to

observe all CAUTIONS, WARNINGS, and NOTES. Before

donning the facepiece, check that the radio interface connec-

tor is attached to your radio before use.

Note: The Radio Interface must be used with the Amplifier

RI On/off button turned ON.

Amplifier Radio Interface (RI) System Operations

1. Don the SCBA Ultra Elite facepiece following the

instructions supplied with the SCBA.

2. Attach the Amplifier RI cable to the radio unit.

3. Adjust the radio volume control for an acceptable

audio level.

4. All received audio will be heard on the earspeaker of

the amplifier RI. Your radio’s internal speaker is dis-

abled in this configuration.

5. You can enable the Voice Amplifier for full-time use by

depressing the amplifier’s on/off button to turn the unit

ON.

a. If the amplifier is on, the red LED should be illumi-

nated at the top of the amplifier housing.

b.All facepiece audio is reproduced in the amplifier’s

speaker.

c. All incoming radio transmissions is received in the

Amplifier RI’s earspeaker.

Using the Radio Without the Amplifier RI

To use the radio independent of the Amplifier RI detach

the radio connector from the radio.

CLEANING AND MAINTENANCE

The ClearCommand should be cleaned and disinfected

after each use. Follow an established cleaning and disin-

fecting program. Failure to follow this procedure can

damage the Clear Command.

Remove the Amplifier from the Apparatus

1. Unscrew the thumbscrew and disconnect the amplifier.

2. Reconnect the dust cover in the (two pins) connector.

TAL 009 (L) Rev. 1 - 10022714

WARNING

Mounting

Bracket Hook

Thumb

Screw

10022714 9/26/00 11:42 AM Page 3

PREPARING FOR USE

CLEANING AND DISINFECTING

1. Prepare a cleaning solution by adding Confidence

Plus™ Cleaner (P/N 10009971) to water, following the

instructions on the Confidence Plus™ Cleaner con-

tainer.

Never submerge the ClearCommand Communication

System modules in water or any other liquid.

2. Clean by wiping with a damp sponge or cloth contain-

ing Confidence Plus Cleaner from MSA. Follow the

directions on the Confidence Plus container for mixing

directions and recommended times.

INSPECTION

1. Inspect the ClearCommand modules. Look for cracks

or other signs of damage which could allow contami-

nants to enter the module housings. Check that the

battery compartment is clear of moisture or debris.

2. Reassemble the amplifier module on the Ultra Elite

facepiece.

3. Check out the system functions.

a. Depress the on/off button on the ClearCommand

unit and then release it.

b. Look through the facepiece lens. The red LED

should be illuminated at the top of the amplifier unit.

c. Scrape your fingernail lightly across the voicemitter

microphone grille of the voicemitter microphone

assembly.

d. You should hear this sound reproduced in the

amplifier speaker.

e. Depress and release the on/off button again to turn

the unit OFF. The LED on the amplifier unit should

be OFF.

STORAGE

To store the ClearCommand components, be sure that

unit is in the OFF (red LED is not illuminated) position. For

prolonged storage, remove the batteries to prevent bat-

tery corrosion. Store the units in a cool, dry place.

Installing the Batteries

Use only Duracell NEDA 24A or Eveready NEDA 24AC

AAA alkaline batteries. Use of other batteries will void

the intrinsic safety approval.

1. Loosen the thumbscrew to open battery door.

2. Insert two AAA batteries according to the battery ori-

entation noted inside the compartment.

3. Close the battery door and tighten the thumbscrew.

Battery Disposal

In continuous service, battery life is approximately 14 to

16 hours. Battery life will vary depending on user condi-

tions. The battery is not rechargeable. Do not dispose of

the battery in fire. It may explode! Failure to follow this

precaution can result in serious personal injury or death.

REPAIR PROCEDURES

Replacement Parts

Item Part Number

Amplifier...............................................................10023056

Amplifier RI...........................................................10023057

Bracket and Voicemitter Kit.................................10023055

(includes 4,6,7, & 8 & Screw)

Two Screws to Connect Mic. Wire ..........................655337

to the Mounting Bracket

Dust Cover, Screw, & Washer for Mic .................10025123

Wire Connection

Mounting Bracket Sub-assembly with Dust........10024077

Dust Cover Attached

Voicemitter with Gasket Attached, ......................10024076

Wire & Connection

Retaining Ring for Voicemitter.............................10023505

Cable Clip (with Longer Screw) for RI Pigtail ......10024075

Amplifier Kit with Bracket and .............................10024074

Voicemitter Kit (#3)

Amplifier RI Kit with Bracket and.........................10024073

Voicemitter Kit (#3)

O-Ring for Mic. Connector ..................................10025124

4TAL 009 (L) Rev. 1 - 10022714

CAUTION

10022714 9/26/00 11:42 AM Page 4

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