ACR Electronics SM2 User Manual Rev D
LIMITED WARRANTY
This product is warranted against factory defect in material and workmanship for a period of one year
from date of purchase or receipt as a gift. During the warranty period ACR Electronics, Inc. will, at its
option, repair or replace the unit at no cost to you for labor, materials or return transportation. For
further assistance please contact our Technical Service Department at ACR Electronics, Inc., 5757
Ravenswood Road, Fort Lauderdale, FL 33312-6645. Email: service@acrelectronics.com, Fax: +1 (954)
983-5087, Telephone: +1 (954) 981-3333
This warranty does not apply if the product has been damaged by accident or misuse, or as a result of
service or modification by other than the factory. Except as otherwise expressly stated above, the
COMPANY MAKES NO REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, AS
TO MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ANY OTHER MATTER WITH
RESPECT TO THIS PRODUCT. The Company shall not be liable for consequential or special damages.
In order to place the warranty in effect, the accompanying registration card must be returned to us
within ten days of purchase.
©2008 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. Ongoing product improvements may
change product specifications without notice.
Trademarks or registered trademarks are the property of their respective owners.
IF YOU HAVE ANY TROUBLE WITH YOUR
NEW LIGHT, DO NOT RETURN
IT TO THE STORE!
CALL ACR ELECTRONICS AT
+1 (954) 981-3333. WE WILL HELP YOU
RESOLVE ANY PROBLEMS YOU MAY BE
EXPERIENCING. MANY QUESTIONS CAN
BE ANSWERED OVER THE PHONE.
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PLEASE READ ALL WARNINGS, CAUTIONS
AND NOTES CAREFULLY
TABLE OF CONTENTS
SECTION 1 - INSTALLATION .............................................................................................................. 4
1.1 Installation Procedures ........................................................................................................................................ 4
1.2 Battery Installation ................................................................................................................................................ 4
SECTION 2 - MAINTENANCE ............................................................................................................. 4
2.1 Operation ............................................................................................................................................................... 4
2.2 Inspection .............................................................................................................................................................. 4
2.3 Disassembly .......................................................................................................................................................... 5
2.4 Assembly ............................................................................................................................................................... 5
2.5 SM-2 Parts List ...................................................................................................................................................... 6
2.6 Accessories ........................................................................................................................................................... 6
SECTION 3 - CHARACTERISTICS ...................................................................................................... 8
3.1 General ................................................................................................................................................................... 8
3.2 Purpose .................................................................................................................................................................. 8
3.3 Component Ratings .............................................................................................................................................. 8
3.4 Operation ............................................................................................................................................................... 8
3.5 Construction .......................................................................................................................................................... 8
3.6 Lanyard .................................................................................................................................................................. 8
3.7 Mounting Bracket .................................................................................................................................................. 8
3.8 Dimensional Stability............................................................................................................................................ 8
3.9 Stroboscopic Flashing Light ............................................................................................................................... 9
3.10 Battery Connection ............................................................................................................................................... 9
3.11 Buoyancy ............................................................................................................................................................... 9
CAUTION: In order for the marker light to float properly, the 6 volt battery MUST not weigh
more than 675 grams (1.49 lbs). Exceeding this weight will cause the light to sink.
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FOREWORD
BRAND
MODEL NUMBER
ANSI/NEDA:
915, 915C, 915D, 915AC
Duracell:
M915, PC915
Rayovac:
942, 945
Eveready:
510S
BRAND
MODEL NUMBER
ANSI/NEDA:
908, 908C, 908D, 908AC
Duracell:
M908, PC908
Eveready:
509, 1209
Energizer:
EN529, (not 529)
Rayovac:
941, 944
Panasonic:
W-4FD
We design, manufacture and distribute quality products knowing they are used to save lives. Many of our products are
required to be tested and approved by regulatory bodies worldwide. We believe in going beyond those specifications to
insure our products work when needed in real world conditions. With proper care and maintenance your ACR product will
last for years. It is important that you thoroughly read this product support manual to understand the proper care and use
of your ACR product.
ACR is proud to be certified to ISO 9001: 2000, the International Standard for Quality.
Test light buoyancy in shallow water prior to placing in service.
The following battery types are suggested for use in ACR Marker lights:
Suggested Screw Terminal batteries:
Suggested spring terminal batteries (for use with optional battery adapter 9434):
NOTE: Check adapter to ensure that screws are tight during regular maintenance.
SECTION 1 - INSTALLATION
1.1 Installation Procedure
The installation procedure requires that the mounting bracket be securely fastened in any convenient location that would
provide immediate access in the event of an emergency.
Suitable length ¼ - 20 stainless screws should be used for mounting the bracket. Screw heads should not protrude inside
the bracket surface.
1.2 Battery Installation
The SM-2 is normally shipped from the factory without a battery. Follow disassembly instructions in Section 2 of this
manual for battery installation. The SM-2 uses a standard 6 volt lantern type battery with screw terminals. A list of
recommended batteries can be found above. Note maximum allowable battery weight listed in Section 3.12.
SECTION 2 - MAINTENANCE
2.1 Operation
The unit should be tested monthly. Remove the SM-2 from its bracket and invert it. The unit should begin flashing, at a
rate of about one flash per second. Re-invert the unit after confirming correct operation.
2.2 Inspection
Check the exterior of the unit for damage which might affect proper operation (damage to globe, cracks in case, etc.).
Check bracket security.
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