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Product Support Manual
ACR/EM-2BA™
Portable Safety Megaphone
FAA PMA Approved under A3-06-1405-
Product No. 2206
Y1-03-0057 Rev. K
(25-60-06)
The technical data in this document (or file) is controlled for export under the Export Ad-
ministration Regulations (EAR), 15 CFR Parts 730-774, ECCN: EAR99. Violations of these laws
may be subject to fines and penalties under the Export Administration Act.
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Related Manuals for ACR Electronics ACR-EM-2BA - REV K
Summary of Contents for ACR Electronics ACR-EM-2BA - REV K
- Page 1 Product Support Manual ACR/EM-2BA™ Portable Safety Megaphone FAA PMA Approved under A3-06-1405- Product No. 2206 Y1-03-0057 Rev. K (25-60-06) The technical data in this document (or file) is controlled for export under the Export Ad- ministration Regulations (EAR), 15 CFR Parts 730-774, ECCN: EAR99. Violations of these laws may be subject to fines and penalties under the Export Administration Act.
- Page 2 T. Martin IF YOU HAVE ANY TROUBLE WITH YOUR NEW MEGAPHONE, DO NOT RETURN IT TO THE STORE! CALL ACR ELECTRONICS AT +1 (800) 432-0227. WE WILL HELP YOU RESOLVE ANY PROBLEMS YOU MAY BE EXPERIENCING. MANY QUESTIONS CAN BE ANSWERED OVER THE PHONE.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION 1 – DESCRIPTION SECTION 2 – OPERATION SECTION 3 – MAINTENANCE 3.1 Cleaning 3.2 Battery Replacement SECTION 4 – TESTING, TROUBLESHOOTING & REPAIR 4.1 Testing 4.2 Repair SECTION 5 – DISASSEMBLY & ASSEMBLY 5.1 Disassembly 5.2 Assembly SECTION 6 –... -
Page 4: Section 1 - Description
SECTION 1 – DESCRIPTION The ACR/EM-2BA is a battery operated solid state megaphone specifically developed for use in enclosed areas such as in the interior of an aircraft or ship cabin. It has been designed to minimize regenerative acoustic feedback that results in whistling and other oscillations of this nature. -
Page 5: Section 3 - Maintenance
SECTION 3 – MAINTENANCE 3.1 Cleaning External surfaces of the megaphone may be cleaned with a soft cloth, dampened in a solution of mild household detergent. Do not immerse in water or use strong solvents. Clean electrical contacts with cloth dampened with isopropyl alcohol. 3.2 Battery Replacement The power supply used in the megaphone consists of six standard 1 ½... -
Page 6: Repair
4.2 Repair The megaphone consists of three major sub-assemblies; the microphone and mouthpiece assembly, the megaphone sub-assembly, and the horn and speaker assembly. Repairs are restricted to the replacement of these defective sub-assemblies or the batteries and lanyard assemblies. SECTION 5 – DISASSEMBLY & ASSEMBLY 5.1 Disassembly Megaphone should be disassembled for repair or replacement of components only. -
Page 7: Section 6 - Parts List
SECTION 6 – PARTS LIST FIGURE 2 ACR/EM-2BA PORTABLE SAFETY MEGAPHONE ILLUSTRATED PARTS LIST Replaceable parts are illustrated in Figure (shown above), and listed in the table (shown below). Part numbers shown in the “Part Number” column may be ordered from ACR unless another manufacturer’s name is given in parentheses in the “Description”... -
Page 8: Section 7 - Technical Data
SECTION 7 – TECHNICAL DATA Dimensions 5.5” max diameter bell, 11.5” max long Weight .3 lbs., including batteries Materials Horn, handle – Anodized Aluminum Housing – Aluminum Attachment – Neck strap at top of unit Gain Control Internal (accessible) Amplifier Integrated circuit, watts power output Speaker Re-entrant horn and driver type... -
Page 9: Appendix - Warranty, Useful Life, Notices
Product Support Manual, please visit the ACR website at www.acrelectronics.com. ©009 by ACR Electronics, Inc., part of Cobham plc. All rights reserved. Reproduction in whole or in part is permitted only with permission of ACR Electronics, Inc.
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