Scott Safety Epic 3 Bluetooth Lapel Speaker Mic Product manual

Page 1 of 21
P/N 595359-01 Rev A - 04/17
INSTALLATION AND USE INSTRUCTIONS
© 2017 Scott Safety. SCOTT, the SCOTT SAFETY Logo, Scott Health and Safety, EPIC 3 RDI, AV-2000, and AV-3000 are registered and/or unregis-
tered marks of Scott Technologies, Inc. or its afliates.
SCOTT EPIC 3 RADIO DIRECT INTERFACE VOICE AMPLIFIER
(RDI VOICE AMPLIFIER)
FOR USE WITH SCOTT RESPIRATORS
INCORPORATING A SCOTT FACEPIECE WITH DUAL VOICEMITTERS
The trademarks are owned by BLUETOOTH SIG, Inc. Other trademarks and trade names in this document are those of their respective owners.
© 2017 BLUETOOTH SIG, Inc. Subject to change without prior notice.
WARNING
THIS PRODUCT IS DESIGNED AND INTENDED TO FUNCTION PROPERLY IN REASONABLE/ORDINARY
FIREFIGHTING CONDITIONS. LIKE ALL EQUIPMENT, THE FUNCTIONALITY OF THIS PRODUCT MAY BE
COMPROMISED BY EXTREME FIRE CONDITIONS.

Page 2 of 21
P/N 595359-01 Rev A - 04/17
DRAFT COPY –
NOT FOR PUBLICATION
CONDITIONS OF SAFE USE
THIS PRODUCT IS INTRINSICALLY SAFE WHEN USED IN
ACCORDANCE WITH CONTROL DRAWING 31003129.
This equipment is listed as intrinsically safe by CSA Group to
UL Std. UL-913, 6th edition for use in the following hazardous
locations:
RDI Voice Amplier
• Class 1, Division 1, Groups C, D, E, F and G T3C/T3A
This equipment is listed as intrinsically safe by CSA Group to
CSA 60079-11 for Canada and UL 60079-11 for the USA for use
in the following hazardous locations:
• Ex ia IIB T3 Ga (Canada)
• Class I Zone 0 AEx ia IIB T3 Ga (USA)
To maintain the Intrinsic Safety Listing, this equipment must
be inspected regularly per the Regular Operational Inspection
procedures in this instruction. Do not tamper with or substitute
components in any manner. Use only batteries of the type indi-
cated in the Battery Installation instructions. Open the battery
compartments only in an area known to be free of ammable or
explosive hazards.
Substitution of Components May Impair Intrinsic Safety. To reduce
the risk of ignition of a ammable atmosphere, batteries must only
be changed in an area known to be nonammable. To reduce the
risk of explosion, do not mix old batteries with unused batteries,
or mix batteries from different manufacturers.
CE PRODUIT EST INTRINSÈQUEMENT SÉCURITAIRE LORSQU’IL EST
UTILISÉ CONFORMÉMENT AU SCHÉMA DE CONTRÔLE 31003129.
EPIC 3 AMP, RDI
MODEL NUMBER 201142-XX
0891
ATEX Certicate No. SIRA 13ATEX2122X
Ex ia IIB T3 Ga IP 66/67
Ta = -18° C to +80° C
IECEx Certicate No. IECEx CSA 13.0010
Sécurité intrinsèque en vertu de IEC 60079-0: 2007, 5e édition,
IEC 60079-11:2011 6e édition pour usage dans les atmosphères
potentiellement explosives des zones 0, 1, 2, groupe IIB.
Cet équipement est classé comme étant sécuritaire de façon intrinsèque par
le CSA Group en vertu de la norme UL UL-913, 6e édition pour usage dans
les emplacements dangereux suivants :
RDI Voice Amplier
• Catégorie 1, division 1, groupes C, D, E, F et G T3C/T3A
Cet équipement est classé comme étant sécuritaire de façon intrinsèque par
le CSA Group en vertu de la norme CSA 60079-11 au Canada et UL 60079-
11 aux États-Unis pour usage dans les emplacements dangereux suivants:
• Ex ia IIB T3 Ga (Canada)
• Catégorie I zone 0 AEx ia IIB T3 Ga (É.-U.)
Pour préserver la classication de sécurité intrinsèque, cet équipement doit
être régulièrement inspecté selon les procédures d’inspection opérationnelle
normales se trouvant dans ces directives. Aucun élément ne doit être modié
ni substitué d’aucune façon. N’utiliser que les piles du type indiqué dans la
notice d’installation des piles. Ouvrir les compartiments à piles uniquement
dans un endroit reconnu comme étant exempt de dangers d’incendie ou
d’explosion. La substitution de composants peut compromettre la sécurité
intrinsèque. An de prévenir le risque d’inammation dans une atmosphère
inammable, ne changer les piles que dans des endroits non inammables.
An de réduire le risque d’explosion, ne pas utiliser à la fois des piles usagées
et des piles neuves ni des piles provenant de différents fabricants.
Alkaline Batteries / Piles Alcalines:
– Energizer1Max E92
– Energizer Industrial EN92
– Duracell2Copper Top MN2400
Rechargeable Batteries / Piles Rechargeables:
– Duracell Rechargeable (NiMH) DC2400
APPROVED BATTERIES / PILES APPROUVÉES
– Duracell Pro-Cell PC2400
– Duracell Quantum QU2400
– Rayovac3824
EPIC 3 AMP, RDI
MODEL NUMBER 201142-XX
0891
ATEX Certicate No. SIRA 13ATEX2122X
Ex ia IIB T3 Ga IP 66/67
Ta = -18° C to +80° C
IECEx Certicate No. IECEx CSA 13.0010
Intrinsically Safe per IEC 60079-0: 2007 5th Edition, IEC
60079-11:2011 6th Edition for use in Zone 0, 1, 2, Group
IIB, potentially explosive atmospheres.
© 2016 Scott Safety. All Rights Reserved.
SCOTT SAFETY, SCOTT, the SCOTT SAFETY LOGO (list any other marks) are marks and/or registered marks. Unauthorized use is strictly prohibited.
The BLUETOOTH word mark and logo are registered marks owned by Bluetooth SIG, Inc. and any such use of such marks by Scott is under license.
All other trademarks are the property of their respective owners.

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P/N 595359-01 Rev A - 04/17
CONTENTS
CONDITIONS OF SAFE USE.........................................................................................................................2
SAFETY LISTINGS.........................................................................................................................................4
FCC COMPLIANCE...................................................................................................................................................4
CLASS B DIGITAL DEVICE ......................................................................................................................................4
INDUSTRY CANADA COMPLIANCE........................................................................................................................4
LA DÉCLARATION DE CANADA D’INDUSTRIE ......................................................................................................4
GENERAL DESCRIPTION .............................................................................................................................5
QUESTIONS OR CONCERNS .......................................................................................................................5
BATTERY USE................................................................................................................................................6
LOW BATTERY ALERT ............................................................................................................................................6
EPIC 3 RDI VOICE AMPLIFIER BATTERY INSTALLATION.....................................................................................7
PROGRAMMING THE EPIC 3 RDI VOICE AMPLIFIER ................................................................................8
INSTALLATION OF THE EPIC 3 RDI VOICE AMPLIFIER ASSEMBLY........................................................9
USE OF RESPIRATOR WITH THE EPIC 3 RDI VOICE AMPLIFIER ..........................................................10
INSPECTION OF EPIC 3 RDI VOICE AMPLIFIER WITH FACEPIECE..................................................................10
USE OF EPIC 3 RDI VOICE AMPLIFIER WITH FACEPIECE ................................................................................10
OPERATING THE EPIC 3 RDI VOICE AMPLIFIER WITH
THE MOTOROLA APX™ RADIO AND XE RSM.......................................................................................... 11
KEY DEFINITIONS.................................................................................................................................................. 11
INITIAL BLUETOOTH PAIRING .............................................................................................................................. 11
MOTOROLA APX FIELD RADIO WITH TWO DISPLAYS....................................................................................... 11
MOTOROLA APX FIELD RADIO WITH ONE DISPLAY..........................................................................................14
RECONNECT BLUETOOTH PAIRED DEVICES ....................................................................................................15
RDI VOICE AMPLIFIER/APX RADIO TRANSMIT & RECEIVE OPERATION.............................................16
SWITCHING BETWEEN RADIO / XE RSM COMMUNICATION MODES ...................................................17
REMOVING BLUETOOTH DEVICE PAIRING INFORMATION ...................................................................17
EPIC 3 RDI VOICE AMPLIFIER BLUETOOTH PAIRING REMOVAL PROCESS...................................................17
APX RADIO BLUETOOTH PAIRING REMOVAL PROCESS - TWO DISPLAY RADIOS .......................................17
APX RADIO BLUETOOTH PAIRING REMOVAL PROCESS - ONE DISPLAY RADIOS........................................18
TERMINATION OF USE ...............................................................................................................................18
CLEANING AND INSPECTION ...................................................................................................................18
CLEANING .............................................................................................................................................................18
INSPECTION...........................................................................................................................................................19
MAINTENANCE............................................................................................................................................19
EPIC 3 RDI VOICE AMPLIFIER REPLACEMENT PARTS .....................................................................................19
EPIC 3 RDI VOICE AMPLIFIER LSM REPLACEMENT PARTS.............................................................................20
WARRANTY..................................................................................................................................................21
– Duracell Pro-Cell PC2400
– Duracell Quantum QU2400
– Rayovac3824

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DRAFT COPY –
NOT FOR PUBLICATION
SAFETY LISTINGS
FCC COMPLIANCE
FCC Compliance Statement (Part 15.19)
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that
may cause undesired operation.
FCC Warning (Part 15.21)
Changes or modications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This portable transmitter with its antenna complies with FCC’s RF exposure limits for
general population / uncontrolled exposure.
FCC ID: T5E201141 and contains QOQWT32AE
CLASS B DIGITAL DEVICE
Note: This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
1. – Reorient or relocate the receiving antenna.
2. – Increase the separation between the equipment and receiver.
3. – Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
4. – Consult the dealer or an experienced radio/TV technician for help.
INDUSTRY CANADA COMPLIANCE
Industry Canada Statement
The term “IC” before the certication / registration number only signies that the In-
dustry Canada technical specications were met.
Section 14 of RSS-210
The installer of this radio equipment must ensure that the antenna is located or pointed
such that it does not emit RF eld in excess of Health Canada limits for the general
population. Consult Safety Code 6, obtainable from Health Canada’s web site: www.
hc-sc.gc.ca/rpb.
Operation is subject to the following two conditions:
1. this device may not cause interference, and
2. this device must accept any interference, including interference that may
cause undesired operation of the device.
IC ID: 5123A-BGTWT32AE and 6453A-201141
LA DÉCLARATION DE CANADA D’INDUSTRIE
L’ « IC » de terme avant que la certication/le nombre d’enregistrement signie seule-
ment que le Canada d’Industrie spécications techniques ont été rencontrées.
Sectionner 14 de RSS-210
Le programme d’installation de cet équipement de radio doit garantir que l’antenne
est localisée ou tel est indiqué qu’il n’émet pas le champ de RF dépassant les limites
de Canada de Santé pour la population générale. Consulter le Code de Sécurité 6,
procurable du site Web de Canada de Santé : www.hc-sc.gc.ca/rpb. L’opération est
assujetti au suivre deux conditions:
1. cet appareil ne peut pas causer l’intervention, et
2. cet appareil doit accepter de l’intervention, y compris l’intervention qui
peut causer l’opération non désirée de l’appareil.
IC ID: 5123A-BGTWT32AE et 6453A-201141

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GENERAL DESCRIPTION
The EPIC 3 Radio Direct Interface Voice Amplier (RDI Voice Amplier) provides
facepiece voice amplification and wireless radio voice communications when
Bluetooth® connected to a compatible portable two-way radio (supplied by the user).
The EPIC 3 RDI Voice Amplier is intended for installation only on approved SCOTT
respirators equipped with SCOTT full facepieces with dual voicemitters. Training is
required before use. These assemblies are not intended for use under water or for
any purpose not specically authorized by the organized respiratory program that
applies to the specic user.
The RDI Voice Amplier device attaches to the voicemitter bracket mounted on ei-
ther side of an approved Scott Safety full facepiece. Accessory mounting brackets
are available for compatible SCOTT respirator facepieces not already equipped with
voicemitter brackets.
The RDI Voice Amplier requires three (3) approved AAA batteries (installed in the
RDI Voice Amplier from the factory).
QUESTIONS OR CONCERNS
If you have any questions or concerns regarding use of this equipment,
contact your authorized SCOTT distributor, or contact SCOTT at 1-800-247-7257
(or [phone] outside the continental United States).
WARNING
THE USE OF AN INTRINSICALLY SAFE DEVICE
IN AN ATMOSPHERE FOR WHICH IT IS NOT
LISTED OR THE USE OF A NON-INTRINSICALLY
SAFE DEVICE IN A FLAMMABLE OR EXPLOSIVE
ATMOSPHERE MAY LEAD TO FIRE OR
EXPLOSION RESULTING IN SERIOUS INJURY
OR DEATH.
WARNING
TRAINING IS REQUIRED BEFORE USE,
ESPECIALLY IN AN EMERGENCY SITUATION.
USE OF THIS EQUIPMENT WITHOUT PROPER
TRAINING COULD LEAD TO SERIOUS INJURY
OR DEATH.

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DRAFT COPY –
NOT FOR PUBLICATION
WARNING
CHANGE BATTERIES ONLY IN AN AREA
KNOWN TO BE NONFLAMMABLE. CHANGING
BATTERIES MAY CAUSE A SPARK THAT
COULD IGNITE A FLAMMABLE OR EXPLOSIVE
ATMOSPHERE RESULTING IN SERIOUS INJURY
OR DEATH. WARNING
THE BATTERIES MUST BE PROPERLYORIENTED
IN THE BATTERY HOLDER FOR THE EQUIPMENT
TO OPERATE. IMPROPER INSTALLATION OF
THE BATTERIES WILL RESULT IN FAILURE OF
THE EQUIPMENT WHICH COULD RESULT IN
SERIOUS INJURY OR DEATH.
BATTERY USE
The RDI Voice Amplier requires battery power to operate. This comes from three (3)
approved AAA batteries installed.
NOTE
THE RDI VOICE AMPLIFIER IS SHIPPED FROM THE FACTORY WITH ALKALINE
BATTERIES INSTALLED AND A BATTERY ISOLATOR LABEL TO PREVENT
BATTERY DRAIN. REMOVE THE BATTERY ISOLATOR LABEL BEFORE USE.
TO REMOVE BATTERY ISOLATOR:
• RDI VOICE AMPLIFIER: Open the battery door to pull isolator label from
battery compartment. Close and secure the battery door before use.
LOW BATTERY ALERT
Total battery life is dependent on conditions of use.
The RDI Voice Amplier LED will ash RED and chirp at 20 second intervals to indicate
that the batteries are low. After 60 minutes the blink rate will increase to 10 second
intervals and the unit will chirp at a slightly louder volume.
WHEN THE LED IS FLASHING, AND IS EMITTING A CHIRP, CHANGE THE
BATTERIES IMMEDIATELY.
WARNING
WHEN THE LOW BATTERY INDICATION
APPEARS (FLASHING RED ONLY OR FLASHING
ALTERNATELY BETWEEN RED AND GREEN
AND ACCOMPANIED BY A CHIRP) CHANGE
THE BATTERIES IMMEDIATELY. FAILURE TO
CHANGE LOW BATTERIES IN A TIMELY MANNER
MAY RESULT IN FAILURE OF THE EQUIPMENT
IN AN EMERGENCY SITUATION WHICH COULD
RESULT IN SERIOUS INJURY OR DEATH.
POWER/FUNCTION
BUTTON
LED INDICATOR
LIGHT
EPIC 3 RDI VOICE AMPLIFIER: FRONT VIEW
VOICE AMPLIFIER /
RADIO RX FRONT SPEAKER
EPIC 3 RDI VOICE AMPLIFIER: REAR VIEW
RADIO RX REAR SPEAKER
BATTERY COVER LOCKING SPRING
LEVER

Page 7 of 21
P/N 595359-01 Rev A - 04/17
WARNING
THE USE OF BATTERIES OTHER THAN THOSE
LISTED IN THIS INSTRUCTION OR REPLACING
BATTERIES IN AN AREA WHICH IS NOT KNOWN
TO BE FREE OF FLAMMABLE GASES AND
VAPORS MAY CAUSE A FIRE OR EXPLOSION
AND MAY LEAD TO SERIOUS INJURY OR DEATH.
The RDI Voice Amplier Assembly requires three AAA batteries installed in the
microphone/speaker unit. Use only three fresh batteries from the following lists.
EPIC 3 RDI VOICE AMPLIFIER BATTERY INSTALLATION
CAUTION
TIGHTEN THE SCREW ONLY UNTIL IT IS SNUG.
DO NOT OVERTIGHTEN.
Alkaline Batteries:
– Energizer1Max E92
– Energizer Industrial EN92
– Duracell2Copper Top MN2400
– Duracell Pro-Cell PC2400
– Duracell Quantum QU2400
– Rayovac3824
Do not mix battery types, old and new batteries, or batteries from different
manufacturers. When using rechargeable batteries, verify that they are fully charged
before use. Use of any other batteries except those listed will void the intrinsic safety
listing of the RDI Voice Amplier Assembly. The area must be known to be nonam-
mable and safe before opening the battery door.
NOTE
THE RDI VOICE AMPLIFIER IS SHIPPED FROM THE FACTORY WITH ALKALINE
BATTERIES INSTALLED AND A BATTERY ISOLATOR LABEL TO PREVENT
BATTERY DRAIN. OPEN THE BATTERY DOOR AND REMOVE THE BATTERY
ISOLATOR LABEL BEFORE USE. (REFER TO BATTERY USE SECTION OF THIS
INSTRUCTION).
Install batteries as follows:
1. Use a #1 Phillips screwdriver to open the battery door. Turn the battery
door screw counterclockwise. Lift open the hinged door.
2. Inspect the contacts for corrosion or damage. If any discrepancy is found,
do not use the unit. Return to an authorized SCOTT repair center for
service.
3. Insert the batteries into the battery
compartment. Be sure to check
orientation of + and - polarity of
batteries as marked on the outside
of the battery compartment.
4. Verify that the seal around the
battery door is clean and
undamaged.
5. Close the battery door.
6. Turn the screw clockwise to tight-
en until snug. Do not over tighten.
7. Press the POWER Button for one (1) second to turn the RDI Voice
Amplifier. The GREEN POWER LED will illuminate indicating the RDI Voice
Amplifier is ON and the unit will sound a sequence of ASCENDING tones
based on the programming of the unit (5 tones for Open Bracket and 6
tones for Closed Bracket). If the LED does not illuminate, verify that ALL the
batteries are fresh AND that they are properly installed. The unit may emit a
high pitched tone (feedback) as the Auto Gain function sets the optimum output.
If the LED is flashing RED, the batteries are low and must be changed
before use of the RDI Voice Amplifier.
8. To verify proper operation, speak into the microphone port in the D-shaped
mount. The voice should be heard amplified coming from the speaker.
9. To turn OFF the RDI Voice Amplifier, press and HOLD the Power
Button for three (3) seconds. The unit will sound a sequence of two (2)
DESCENDING tones to indicate the unit is OFF and the LED will go OFF.
POLARITY
MARKED ON
HOUSING

Page 8 of 21
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DRAFT COPY –
NOT FOR PUBLICATION
WARNING
THE EPIC 3 RDI VOICE AMPLIFIER
COMMUNICATIONS ASSEMBLY MUST BE
PROGRAMMED FOR THE TYPE OF BATTERIES
USED AS WELL AS FOR THE TYPE OF AUDIO
ACCESSORY BRACKET BEING USED. FAILURE
TO VERIFY THAT THE UNIT IS PROPERLY
PROGRAMMED MAY RESULT IN REDUCED
PERFORMANCE WHICH COULD LEAD TO
SERIOUS INJURY OR DEATH.
PROGRAMMING THE EPIC 3 RDI VOICE AMPLIFIER
The RDI Voice Amplier is designed for use with a SCOTT Full Facepiece equipped
with voicemitters and a compatible SCOTT audio accessory bracket. The audio
accessory brackets are available as either open or closed front depending on the
approved facepiece being used. For proper performance, the RDI Voice Amplier must
be programmed for the type of accessory bracket and batteries being used.
Each RDI Voice Amplier is preprogrammed at the factory for use with Alkaline
batteries and either an open accessory bracket or closed accessory bracket
conguration. RDI Voice Ampliers programmed for open brackets will emit 5 tones
upon startup and RDI Voice Ampliers programmed for closed brackets will emit 6
tones.
Programming the RDI Voice Amplier can be easily performed using either the SCOTT
EPIC 3 Programming Utility for Windows® PCs or the EPIC 3 Programming Utility
for iPhone. The Windows utility is available for free download from the Scott Safety
website, under the document section of the EPIC 3 RDI product page. It is also
available for download from the Scott Safety Distributor Passport Portal. The iPhone
utility is available for download from the Apple App Store. Search “Scott Safety” to
nd the EPIC 3 Conguration utility on the Apple app store.
• Programmer Module: The RDI Voice Amplier can be programmed using the
EPIC Programmer Module (P/N 201243-01) with the EPIC 3 Programming Utility
(P/N 31002979) to select, save, and congure settings using Bluetooth wireless
technology.
• Configuration Tone Sequences:The RDI Voice Amplifier can be
programmed using the SCOTT Programming Utility for Windows software
(P/N 31002979) to play tone sequences that correspond to selected settings
and allow the user to easily congure the settings for optimal performance. The
Programmer Utility for Windows can also be downloaded directly from the website
at http://www.scottsafety.com/EPIC3RDI
• The Scott Safety Distributor Passport Portal is available via the following link:
https://lsp.portal.relayware.com/?value=PARTNER%20PORTAL
RDI VOICE AMPLIFIER
ASSEMBLY P/N
201276-01 PRE-
PROGRAMMED
FOR AN OPEN
BRACKET
RDI VOICE AMPLIFIER
ASSEMBLY P/N
201276-02 PRE-
PROGRAMMED
FOR A CLOSED
BRACKET

Page 9 of 21
P/N 595359-01 Rev A - 04/17
ROTATE COUNTER
CLOCKWISE TO LOCK
LOCKED
POSITION
WARNING
ON THE AV-2000 FULL FACEPIECE, VERIFY THAT
THE HEAD HARNESS TABS ROTATE FREELY
AFTER INSTALLATION OF THE MOUNTING
BRACKET. IF THE TABS FAIL TO ROTATE
FREELY, IT MAY RESULT IN A POOR FACEPIECE
TO FACE FIT AND MAY EXPOSE THE USER
OF THE RESPIRATOR TO THE HAZARDOUS
ATMOSPHERES RESULTING IN SERIOUS
INJURY OR DEATH.
INSTALLATION OF THE EPIC 3 RDI VOICE AMPLIFIER
ASSEMBLY
The RDI Voice Amplier facepiece assembly may be used with any approved SCOTT
respirator which includes a full facepiece equipped with dual voicemitters.
1. See audio accessory mounting bracket installation instructions
(P/N 595107-01 closed bracket; P/N 595287-01 open bracket) for details
of attaching the mounting bracket to your SCOTT full facepiece. Verify
that bracket is properly mounted for your SCOTT full facepiece before
proceeding. On the AV-2000 facepiece, pay special attention to the free
movement of the head harness tabs.
NOTE
THE RDI VOICE AMPLIFIER ASSEMBLY WILL ONLY FIT ON AUDIO ACCESSORY
BRACKET P/N 200264-XX AND P/N 200265-XX OR SERVICE KIT BRACKETS P/N
200715-XX, P/N 200716-XX, AND P/N 201210-XX.
2. The body of the RDI Voice Amplifier facepiece assembly is keyed so
that it fits in the mounting bracket only one way. Attach the facepiece
assembly to the mounting bracket as follows:
a) Hold the RDI Voice Amplifier with the battery compartment door
facing the top right harness tab.
b) Align the D-shaped mount on the rear of the RDI Voice Amplifier with the
opening in the center of the audio accessory bracket and press in.
c) While pressing the Accessory in towards the side of the facepiece,
rotate the Accessory ¼ turn counter clockwise. The lock will make
two (2) “clicks”. The second “click” will lock the accessory into place.
d) To verify that the RDI Voice Amplifier is properly locked, try to rotate
the accessory clockwise WITHOUT lifting up on the Locking Lever.
If the Accessory will not turn, it is properly locked.
e) A screw is provided in the Locking Lever to prevent accidental
removal when mounted on an open bracket. Use a Phillips screwdriver
to tighten the screw snug. Do not over tighten.
CAUTION
TURN THE FACEPIECE ASSEMBLY CAREFULLY
TO INSTALL. DO NOT FORCE. THE EPIC 3 RDI
VOICE AMPLIFIER SHOULD FIT SNUGLY TO THE
FACEPIECE. IF THE FACEPIECE ASSEMBLY
WILL NOT TURN, CHECK THE ALIGNMENT
AND CONFIRM THAT THE AUDIO ACCESSORY
BRACKET IS PROPERLY INSTALLED.
WARNING
THE COMMUNICATIONS ACCESSORY MUST
BE PROPERLY INSTALLED SO THAT IT DOES
NOT INTERFERE WITH THE OPERATION
OR FIT OF THE FACEPIECE IN ANY WAY.
IMPROPER INSTALLATION MAY RESULT IN A
POOR FACEPIECE TO FACE FIT WHICH MAY
EXPOSE THE USER OF THE RESPIRATOR TO
THE HAZARDOUS ATMOSPHERE LEADING TO
SERIOUS INJURY OR DEATH.
WARNING
WHEN INSTALLING THE COMMUNICATIONS
ACCESSORY, VERIFY THAT THE LATCH
IS FULLY ENGAGED AFTER THE SECOND
“CLICK.” USE THE LOCKING LEVER SCREW
TO SECURE. FAILURE TO VERIFY PROPER
INSTALLATION MAY RESULT IN LOSS OF THE
COMMUNICATIONS ACCESSORY WHICH COULD
LEAD TO SERIOUS INJURY OR DEATH.
WARNING
THE EPIC 3 RDI VOICE AMPLIFIER AND ITS
ACCESSORIES ARE INTENDED TO BE USED
WITH SCOTT RESPIRATORS WHICH MAY
SUPPORT HUMAN LIFE IN HAZARDOUS
ATMOSPHERES. FAILURE TO CAREFULLY
FOLLOW THESE INSTRUCTIONS AND
WARNINGS AND THE INSTRUCTIONS AND
WARNINGS CONTAINED IN YOUR SCOTT
RESPIRATOR OPERATING AND MAINTENANCE
INSTRUCTIONS MAY RESULT IN SERIOUS
INJURY OR DEATH.
DONNING AMPLIFIER TO FACEPIECE

Page 10 of 21
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DRAFT COPY –
NOT FOR PUBLICATION
WARNING
DO NOT USE THE EPIC 3 RDI COMMUNICATIONS
ASSEMBLY WITH A BROKEN OR DAMAGED
CASE OR EXPOSED WIRING. IN A FLAMMABLE
OR EXPLOSIVE ATMOSPHERE SUCH DAMAGE
MAY RESULT IN A FIRE OR EXPLOSION AND
CAUSE SERIOUS INJURY OR DEATH.
WARNING
DO NOT USE THE RESPIRATOR IF LEAKAGE
OF AIR INTO THE FACEPIECE IS DETECTED
DURING SEAL CHECK. SEE RESPIRATOR
INSTRUCTIONS IF LEAKAGE IS PRESENT.
USE OF AN IMPROPERLY FITTED FACEPIECE
MAY EXPOSE THE USER TO THE HAZARDOUS
ATMOSPHERE WHICH MAY RESULT IN SERIOUS
INJURY OR DEATH.
POWER
BUTTON
LED INDICATOR
LIGHT
WARNING
IF ANY COMPONENT OF THE EPIC 3 RDI
COMMUNICATIONS ASSEMBLY DOES
NOT PERFORM AS DESCRIBED IN THESE
INSTRUCTIONS OR IF ANY DAMAGE IS FOUND
DURING INSPECTION, REMOVE THE UNIT
FROM SERVICE AND TAG FOR REPAIR OR
REPLACEMENT. USE OF DAMAGED OR
MALFUNCTIONING EQUIPMENT MAY RESULT
IN SERIOUS INJURY OR DEATH.
USE OF RESPIRATOR WITH THE EPIC 3 RDI VOICE
AMPLIFIER
INSPECTION OF EPIC 3 RDI VOICE AMPLIFIER WITH FACEPIECE
1. Before donning the facepiece, inspect the RDI Voice Amplifier
housing for damage such as cracks, chips, discoloration, corrosion,
missing or loose parts, or burned or melted components.
2. Inspect the Mounting Bracket for damaged, missing, or loose
components. Verify that the Mounting Bracket is firmly attached to the facepiece
according to the Mounting Bracket Instructions.
3. Verify the RDI Voice Amplifier is properly installed on Mounting Bracket.
4. Verify operation of the RDI Voice Amplifier. Turn ON unit by pressing and
holding down power button for approximately one (1) full second. Release
POWER button when the LED turns from GREEN to ORANGE.
NOTE
IF THE LED FAILS TO ILLUMINATE, OR IF UNIT IS INDICATING A LOW BATTERY
(FLASHING RED OR ALTERNATING RED/GREEN AND EMITTING A CHIRP) , DO
NOT USE THE RDI VOICE AMPLIFIER. REMOVE THE UNIT FROM SERVICE.
REFER TO THE BATTERY INSTALLATION SECTION OF THIS INSTRUCTION.
USE OF EPIC 3 RDI VOICE AMPLIFIER WITH FACEPIECE
1. Don the facepiece according to the instructions provided with the
complete respirator. Always draw the facepiece firmly to the face to
assure a proper seal. If you cannot achieve a good facepiece fit with the
RDI Voice Amplifier installed, do not use the respirator.
Because the RDI Voice Amplifier is physically mounted on the
respirator facepiece, use care to prevent snags or impacts on the
RDI Voice Amplifier from dislodging the respirator facepiece and exposing the
respirator user to the hazardous atmosphere.
2. Use the RDI Voice Amplifier with a normal speaking voice. Yelling or
speaking too loudly may result in unintelligible voice transmission.
3. After approximately twenty (20) minutes of inactivity (no voice input),
the RDI Voice Amplifier will automatically turn itself OFF. To reactivate,
press the POWER Button.
NOTE
ALWAYS DRAW THE FACEPIECE FIRMLY TO THE FACE TO ASSURE A PROPER
SEAL. IF YOU CANNOTACHIEVE A GOOD FACEPIECE FIT WITH THE RDI VOICE
AMPLIFIER INSTALLED, DO NOT USE THE RESPIRATOR.
NOTE
BE CERTAIN THAT THE RDI VOICE AMPLIFIER FACEPIECE ASSEMBLY DOES
NOT INTERFERE WITH ANY PROTECTIVE HEAD GEAR.
NOTE
DIRT OR FOREIGN MATTER IN THE CONNECTOR CAN INTERFERE WITH
THE CONNECTION AND/OR PREVENT POSITIVE LOCKING OF THE
CONNECTOR. CONNECTORS MUST BE KEPT CLEAN OF DIRT. SEE CLEANING
AND INSPECTION SECTION OF THIS INSTRUCTION.
WARNING
WHEN THE LOW BATTERY INDICATION
APPEARS (FLASHING RED ONLY OR FLASHING
ALTERNATELY BETWEEN RED AND GREEN
AND ACCOMPANIED BY A CHIRP) CHANGE
THE BATTERIES IMMEDIATELY. FAILURE TO
CHANGE LOW BATTERIES IN A TIMELY MANNER
MAY RESULT IN FAILURE OF THE EQUIPMENT
IN AN EMERGENCY SITUATION WHICH COULD
RESULT IN SERIOUS INJURY OR DEATH.