ZQ3-SPS-SSZONMining Safety Proximity Transmitter

Strata Proximity Systems Surface Silent Zone Assembly Users Manual v1.0 2011 Strata Proximity Systems, LLC 1769 Jeff Road Huntsville, AL 35806 1.800.691.6601 Confidential Patent #’s 7,420,471 5,939,986 and 6,810,353 Patent Pending Page 2 of 6 Strata Proximity Systems Surface Silent Zone Assembly Users Manual v1.0 Confidential and Proprietary December 19, 2011 Table of Contents 1 Overview ................................................................................................................................. 3 1.1 Theory of Operation ......................................................................................................... 3 1.2 Frequency of Operation ................................................................................................... 3 1.3 Label Information ............................................................................................................. 4 1.4 FCC Information ............................................................................................................... 4 2 Operation ................................................................................................................................ 5 2.1 Installation Information ................................................................................................... 5 2.1.1 Interoperability Warning .......................................................................................... 5 2.2 Charging............................................................................................................................ 5 2.3 Alerts ................................................................................................................................ 5 2.4 Maintenance .................................................................................................................... 6 3 Warranty ................................................................................................................................. 6 4 Revision History ...................................................................................................................... 6 4.1 Version 1.0 – December 19, 2011 .................................................................................... 6 Confidential Patent #’s 7,420,471 5,939,986 and 6,810,353 Patent Pending Page 3 of 6 Strata Proximity Systems Surface Silent Zone Assembly Users Manual v1.0 Confidential and Proprietary December 19, 2011 1 Overview The Surface Silent Zone Assembly is part of a complete HazardAvert™ Proximity Warning System from Strata Proximity Systems which provides warnings to both individuals and to machinery to alert them that the individual has entered too close to an operating piece of equipment and is in a dangerous situation or that vehicles or machinery are getting close enough that a collision possibility exists. The Surface Silent Zone Assembly is mounted on a vehicle or piece of machinery and is connected by an interface cable to a Surface Proximity Module. The Surface Silent Zone Generator is mounted on the vehicle or machinery in an area near where the operator would normally be while operating the vehicle or machinery. 1.1 Theory of Operation The function of the Surface Silent Zone Assembly is: • To transmit a 73 kHz “Silent Zone” field around a small portion of the vehicle or piece of machinery in which the operator is allowed to work or enter as part of his normal activities. The Surface Silent Zone Assembly is connected to a HazardAvert™ Surface Proximity Module, which under the control of a microcontroller, generates a 73 kHz signal for creating a Silent Zone around the area of a machine where the operator is located. This 73 kHz signal is connected to the Surface Silent Zone Module via a wire bundle. Inside the Surface Silent Zone Assembly is a wire/ferrite radiator element to which the 73 kHz signal is connected. The 73 kHz signal passing through this wire/ferrite radiator element generates a 73 kHz “Silent Zone” electromagnetic field which encompasses only the small area of the vehicle or machine in which the operator can be during operation. The operator is required to wear a Personal Alarm Device (PAD) which is another component of the HazardAvert™ system which detects and responds to the presence of 73 kHz fields. As long as the operator is within this “Silent Zone” his PAD will know he is within an area and not alarm. If the operator exits this Silent Zone safe area, his PAD will function to alert him and other machines or vehicles equipped with the HazardAvert™ system of his proximity to dangerous conditions due to his distance from machine or vehicle hazards. 1.2 Frequency of Operation The Silent Zone Assembly will transmit on a frequency of 73 kHz. Confidential Patent #’s 7,420,471 5,939,986 and 6,810,353 Patent Pending Page 4 of 6 Strata Proximity Systems Surface Silent Zone Assembly Users Manual v1.0 Confidential and Proprietary December 19, 2011 1.3 Label Information The Surface Display label is located on the face of the unit. A picture of the Strata label is below: The Strata label defines the model and serial number of the Surface Silent Zone Assembly also MSHA and Commonwealth of Pennsylvania information. 1.3.1.1 MSHA Blasting Distance MSHA has published Program Policy Letter P11-V-07 concening Two Way Communications and Blasting Circuits. SPS magnetic field generators produce a magnetic field that at 100 kHz or .1000 MHz does not achieve the Critical H Field until 1.42 m with a blasting cap having a pickup area of 10 sq. meters. SPS magnetic field generators are safe to 1.42 m from the blasting caps. SPS does recommend a minimum distance of 25’ as a precaution. 1.3.1.2 Pennsylvania Blasting Distance At this date, Pennsylvania has not made a recommendation or statement concerning surface systems. 1.4 FCC Information The FCC ID for the Surface Silent Zone Assembly is ZQ3-SPS-SSZON. When configured by Strata for surface use, the device complie…

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Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 1 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – External Photo Top View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 2 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – External Photo Side 1 View Surface Silent Zone Assembly – External Photo Side 2 View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 3 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – External Photo End 1 View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 4 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – External Photo End 2 View

Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 FCC Label: 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. Strata Proximity Systems Model: SSZIFMFCC ID: ZQ3-SPS-SSZON Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 FCC Label Location: The label is of weatherproof silver polyester as are all of our present labels for harsh environment use. It is laser printer printed and is self stick and supplied on a sheet of 8. It is applied by manufacturing personnel by peeling from the sheet of 8 and pressing on the Surface Proximit y Module at the same the module ident ification label is applied.

Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 5 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – Internal Photo Complete Assembly Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 6 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – Photo Main Circuit Board – Top Side View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 7 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – Photo Main Circuit Board – Bottom Side View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 8 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – Photo Memory Circuit Board – Top Side View Strata Proximity Systems LLC 1769 Jeff Road Huntsville, AL 35806 256-830-2008 Internal & External Photos for FCC Certification Surface Silent Zone Assembly – Page 9 of 9 Models: SSZIFN, SSZIFM FCC ID: ZQ3-SPS-SSZON Surface Silent Zone Assembly – Photo Memory Circuit Board – Top Side View

Certificates and reports shall not be reproduced except in full, without the written permission of Washington Laboratories, Limited. FCC Certification Test Report For the Strata Proximity Systems Surface Silent Zone Assembly Models SSZIFN and SSZIFM FCC ID: ZQ3-SPS-SSZON WLL JOB# 12033 November 29, 2011 Prepared for: Strata Proximity Systems 1769 Jeff Road Huntsville, AL 35806 Prepared By: Washington Laboratories, Ltd. 7560 Lindbergh Drive Gaithersburg, Maryland 20879 Testing Certificate AT-1448 Strata Proximity Systems Surface Silent Zone Assembly FCC Certification Test Report November 29, 2011 WLL Report #12033-01 ii © 2011 Washington Laboratories, Ltd FCC Certification Test Report for the Strata Proximity Systems Surface Silent Zone Assembly Models SSZIFN and SSZIFM FCC ID: ZQ3-SPS-SSZON November 29, 2011 WLL JOB# 12033 \ Prepared by: Steven Dovell Compliance Engineer Reviewed by: Michael F. Violette, P.E. President Strata Proximity Systems Surface Silent Zone Assembly FCC Certification Test Report November 29, 2011 WLL Report #12033-01 iii © 2011 Washington Laboratories, Ltd Abstract This report has been prepared on behalf of Strata Proximity Systems to support the attached Application for Equipment Authorization. The test report and application are submitted for a Transmitter under Part 15.209 (10/2009) of the FCC Rules and Regulations. This Certification Test Report documents the test configuration and test results for the Strata Proximity Systems Surface Silent Zone Assembly. Testing was performed on an Open Area Test Site (OATS) of Washington Laboratories, Ltd, 7560 Lindbergh Drive, Gaithersburg, MD 20879. Site description and site attenuation data have been placed on file with the FCC's Sampling and Measurements Branch at the FCC laboratory in Columbia, MD. The Industry Canada OATS numbers are 3035A-1 and 3035A-2 for Washington Laboratories, Ltd. Site 1 and Site 2, respectively. Washington Laboratories, Ltd. has been accepted by the FCC and approved by ACLASS under Certificate AT-1448 as an independent FCC test laboratory. The Strata Proximity Systems Surface Silent Zone Assembly complies with the limits for a Transmitter device under FCC Part 15.209. Revision History Description of Change Date Rev 0 Initial Release November 29, 2011 Strata Proximity Systems Surface Silent Zone Assembly FCC Certification Test Report November 29, 2011 WLL Report #12033-01 iv © 2011 Washington Laboratories, Ltd Table of Contents Abstract ............................................................................................................................... ii 1 Introduction ..............................................................................................................1 1.1 Compliance Statement ........................................................................................ 1 1.2 Test Scope ........................................................................................................... 1 1.3 Contract Information ........................................................................................... 1 1.4 Test Dates ........................................................................................................... 1 1.5 Test and Support Personnel ................................................................................ 1 1.6 Abbreviations ...................................................................................................... 2 2 Equipment Under Test .............................................................................................3 2.1 EUT Identification & Description ...................................................................... 3 2.2 Test Configuration .............................................................................................. 4 2.3 Equipment Configuration.................................................................................... 4 2.4 Support Equipment ............................................................................................. 4 2.5 Interface Cables .................................................................................................. 5 2.6 EUT Modifications ............................................................................................. 5 2.7 Testing Algorithm ............................................................................................... 5 2.8 Test Location ...................................................................................................... 5 2.9 Measurements ..................................................................................................... 5 2.9.1 References ....................................................................................................... 5 2.10 Measurement Uncertainty ................................................................................... 6 3 Test Equipment ........................................................................................................8 4 Test Results ..............................................................................................................9 4.1 Occupied Bandwidth: (FCC Part §2.1049) ......................................................... 9 Radiated Spurious Emissions: (FCC Part §15.209) ...................................................... 10 4.1.1 Test Procedure .............................................................................................. 10 List of Tables Table 1. Device Summary ................................................................................................... 3 Table 2: Equipment Configuration ..................................................................................... 4 Table 3: Support Equipment ............................................................................................... 4 Table 4: Interface Cables .................................................................................................... 5 Table 5: Expanded Uncertainty Li…

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Test Setup Photos ©2008 Washington Laboratories, Ltd Test Setup Photos ©2008 Washington Laboratories, Ltd