KKGZ0619FS, ES, LS, SES

Directional Drilling Locating System Operator’s Manual DIGITAL CONTROL INCORPORATED DCI Headquarters 19625 62nd Ave. S., Suite B-103 Kent, Washington 98032 USA Tel 425 251 0559 / 800 288 3610 Fax 253 395 2800 E-mail [email protected] www.digitrak.com DCI Europe Kurmainzer Strasse 56 D-97836 Bischbrunn Germany Tel +49(0) 9394 990 990 Fax +49(0) 9394 990 999 [email protected] DCI India SCO # 259, Sector 44-C Chandigarh (UT) 160 047 Punjab, India Tel +91(0) 172 464 0444 Fax +91(0) 172 464 0999 [email protected] DCI China No. 41, Lane 500, Xingle Road Huacao Town, Minhang District Shanghai P.R.C. 201107 Tel +86(0) 21 6432 5186 Fax +86(0) 21 6432 5187 [email protected] DCI Australia 2/9 Frinton Street Southport, Queensland 4215 Australia Tel +61(0) 7 5531 4283 Fax +61(0) 7 5531 2617 [email protected] DCI Russia 420059 Pavlyukhina Street 104, Kazan Russia Tel +7 843 277 52 22 Fax +7 843 277 52 07 [email protected] DIGITAL CONTROL INCORPORATED 2 DigiTrak ® F2™ Operator’s Manual 3-2200-00-B © 2009 by Digital Control Incorporated. All rights reserved. July 2009. 68BTrademarks The DCI logo, CableLink ® , DataLog ® , DigiTrak ® , Eclipse ® , iGPS ® , MFD ® , SST ® , target-in-the-box ® , Target Steering ® , and TensiTrak ® are U.S. registered trademarks and DucTrak™, F Series™, F2™, FSD™, FasTrak™, LT™, LT2™, SuperCell™, and TeleLock™ are trademarks of Digital Control Incorporated. 69BPatents The DigiTrak ® F2™ Locating System is covered by one or more of the following U.S. Patents: 5,337,002; 5,633,589; 5,990,682; 5,990,683; 6,002,258; 6,005,532; 6,008,651; 6,014,026; 6,035,951; 6,047,783; 6,057,687; 6,095,260; 6,160,401; 6,232,780; 6,250,402; 6,396,275; 6,496,008; 6,525,538; 6,593,745; 6,653,837; 6,693,429; 6,756,784; 6,768,307; 6,838,882; 6,924,645; 7,061,244; 7,080,698; 7,154,273; 7,159,672; 7,167,005; 7,176,690; 7,304,479; 7,309,990; 7,345,486. Sale of a DigiTrak ® F2™ receiver does not convey a license under any patents covering the DigiTrak ® transmitter or underground drill housing. Other patents pending. 70BLimited Warranty All products manufactured and sold by Digital Control Incorporated (DCI) are subject to the terms of a Limited Warranty. A copy of the Limited Warranty is included with your DigiTrak ® F2™ Locating System; it can also be obtained by contacting DCI Customer Service, 800-288-3610 or 425-251-0559, or by connecting to DCI's website, www.digitrak.com. 71BImportant Notice All statements, technical information, and recommendations related to the products of DCI are based on information believed to be reliable, but the accuracy or completeness thereof is not warranted. Before utilizing any DCI product, the user should determine the suitability of the product for its intended use. All statements herein refer to DCI products as delivered by DCI and do not apply to any user customizations not authorized by DCI nor to any third-party products. Nothing herein shall constitute any warranty by DCI nor will anything herein be deemed to modify the terms of DCI’s existing limited warranty applicable to all DCI products. 72BFCC Compliance Statement This equipment has been tested and found to comply with the limits for Class A and Class B digital devices, pursuant to Part 15 of the Rules of the Federal Communications Commission. These limits are designed to provide reasonable protection against harmful interference in a horizontal directional drilling 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 or inaccurate readings on your DCI locating equipment. 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:  Reorient or relocate the DigiTrak ® F2™ receiver.  Increase the separation between the problematic equipment and the DigiTrak ® F2™ receiver.  Connect the equipment into an outlet on a different circuit.  Consult the dealer for help. Changes or modifications to the DCI equipment not expressly approved and carried out by DCI will void the user’s limited warranty and the FCC’s authorization to operate the equipment. DIGITAL CONTROL INCORPORATED DigiTrak ® F2™ Operator’s Manual 3 Table of Contents SAFETY PRECAUTIONS AND WARNINGS ............................................................................................... 5 DEAR CUSTOMER: ...................................................................................................................................... 7 INTRODUCTION ........................................................................................................................................... 9 RECEIVER .................................................................................................................................................. 11 General Description ................................................................................................................................. 11 Power On/Off ........................................................................................................................................... 12 Installing and Removing the Battery Pack ........................................................................................... 12 Turning On the Receiver ...................................................................................................................... 12 Turning Off the Receiver ...................................................................................................................... 15 Automatic Shutdown ........................................................…

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January 15,2010 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, Maryland 21046 To whom it may concern, We hereby respectfully request that, under the provisions of 47 CFR § 0.459, the documents listed below and attached with this application for celiification be provided with confidential status and not made routinely available for public inspection: (I) Schematics.pdf (2) Operational Description.pdf (3) Frequency Block Diagram.pdf Any exhibit/information for which we have requested confidentiality, but which may not be accorded such treatment by the FCC, should be returned to us. The documents listed above contain company trade secrets. Significant engineering resources were expended designing the palis of the product shown in the schematics, frequency block diagram, and operational description. It is our belief that it would be difficult to reverse-engineer the product from publicly available information (including the product itself). Substantial competitive harm to us could therefore result should these documents be made available to the public. We face both domestic and foreign competition in our market (locating equipment for horizontal directional drilling), including product piracy (attempts at direct knock-offs). Disclosure of the documents listed above would provide our competitors and potential product pirates with an unfair competitive advantage, by allowing them to copy our technical solutions without the development expense. We protect this information through the following primary procedures: (I) all employees and contractors al'e required to sign nondisclosure agreements, as al'e any visitors, vendors or other third parties who may be exposed to any confidential information, and (2) the information is only provided to employees and third paliies on a "need to know" basis. The information is not publicly available, and is not included in our operating manuals or on our website. We al'e not aware ofthe information listed above having been disclosed to any third palty not bound by a nondisclosure agreement. The materials listed above should not be available for public disclosure at any time. Our products can remain in service for extended periods of time (more than ten or fifteen years), and the rate of significant technological change in our industry is sufficiently slow that even the copying by our competitors of technical information from many years in the past could result in the creation of a product that might be competitively harmful to us. SinCerelY. ' ~~ •• ~ / 2~f1 ///LCo . L- v Rudy Zeller

Northwest EMC TCB Compliance Opinion Rev. 12/08/09 DIGC0082 Information about the Applicant Grantee (Company Name) Digital Control, Inc. FCC Contact Person Aaron Keyt Address 19625 62nd Avenue South, Suite B103 City, State, Zip Kent, WA 98032 Job Number DIGC0082 Model FS, ES, LS, SES FCC ID KKGZ0619 Agent NA Approval Type Original Equipment Class DCD Part 15, low power Tx below 1.705 MHz Rule Part 15 C Overview This device is a 12 kHz short range transmitter operating under 47 Cfr 15.209. The unit is used in the head of an underground drilling machine for the purpose of guiding a drilling head from above ground. This application covers 4 models, FS, ES, LS and SES, which are electrically and mechanically identical. Confidentiality requested for allowed files. Request is properly addressed and referenced. Recommendation All items have been resolved and completed to my satisfaction; therefore I recommend this application for approval. Signature Dave Tolman, TCB Committee 1/26/2010

FS External Photos Side 1 Side 2 Battery end Battery compartment Front end

MN BY 01-12-10 DATE APPROVAL APPROVAL DRAFTER ENGINEER AH DESCRIPTION 1 2 3 4 5 DIMENSION MATERIAL ADHESIVE BKGND FLOOD LOGO/TEXT INSTRUCTIONS / NOTES INITIAL PRODUCTION RELEASEA REV SHEET 1 / 1 REV A DRAWING NO. DIGITRAK F SERIES SHORT RANGE TRANSMITTER 450-0035-00 3.00" (W) X 2.00" (H); SHARP RADIUS GE: 8B35, LEXAN, 7 MIL THICK, TEXTURED SURFACE 3M: 468 MP, 5 MIL ADHESIVE, APPLY TO BACK SIDE COLOR: WHITE COLOR: BLACK TITLE THIS DRAWING IS CONFIDENTIAL AND IS SUPPLIED ON THE UNDERSTANDING THAT IT IS NOT SHOWN TO OTHER PERSONS OR COMPANIES WITHOUT WRITTEN CONSENT OF DIGITAL CONTROL INCORPORATED TOLERANCES (STANDARD UNITS UNLESS OTHERWISE SPECIFIED) DECIMAL .X ±.030 FRACTIONS ±1/32 .XX ±.010 .XXX ±.005 ANGLES ± 1° 19625 62ND AVE SOUTH, SUITE B103 KENT, WA 98032, WWW.DIGITRAK.COM 425-251-0701 · 425-251-0702 FAX SF MN MN TITLEBLOCK: SIZE 8.5X11 (LETTER) F SERIES 800-288-3610 or 425-251-0559 www.digitrak.com 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. ARBN 090 007 962 FCC ID: KKGZ0619 IC: 2213A-Z0619 12kHz Frequency 450-0035-00-A 0981 FS – Short Range Transmitter 0.8 - 1.6V 150mA Max FS Label Location Side 1 Side 2

FS Internal Transmitter Photos PCB Bottom PCB Top Side 1 PCB Top Side 2 PCB with Sensor Module and Battery Housing

Digital Control, Inc. DigiTrak FS Report No. DIGC0082 Report Prepared By www.nwemc.com 1-888-EMI-CERT © 2010 Northwest EMC, Inc 22975 NW Evergreen Parkway Suite 400 Hillsboro, Oregon 97124 Certificate of Test Last Date of Test: January 21, 2010 Digital Control, Inc. Model: DigiTrak FS Emissions Test Description Specification Test Method Pass/Fail Radiated Emissions FCC 15.109(g) (CISPR 22:1997):2010 Class B ANSI C63.4:2009 Pass Radiated Emissions EN 55022:2006 (Amended by A1:2007) CISPR 22:2005 (Amended by A1:2005 and A2:2006) Pass Radiated Emissions ICES-003:2004 CISPR 22:2005 (Amended by A1:2005 and A2:2006) Pass Field Strength of Fundamental FCC 15.209:2010 ANSI C63.10:2009 Pass Field Strength of Spurious Emissions FCC 15.209:2010 ANSI C63.10:2009 Pass Modifications made to the product See the Modifications section of this report Test Facility The measurement facility used to collect the data is located at: Northwest EMC, Inc. 22975 NW Evergreen Parkway, Suite 400 Hillsboro, OR 97124 Phone: (503) 844-4066 Fax: (503) 844-3826 This site has been fully described in a report filed with and accepted by the FCC (Federal Communications Commission). Approved By: Don Facteau, IS Manager NVLAP Lab Code: 200630-0 This report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government of the United States of America. Product compliance is the responsibility of the client, therefore the tests and equipment modes of operation represented in this report were agreed upon by the client, prior to testing. This Report may only be duplicated in its entirety. The results of this test pertain only to the sample(s) tested. The specific description is noted in each of the individual sections of the test report supporting this certificate of test. Northwest EMC Revision History Revision 06/29/09 Revision Number Description Date Page Number 00 None Barometric Pressure The recorded barometric pressure has been normalized to sea level. Accreditations and Authorizations FCC Accredited by NVLAP for performance of FCC radio, digital, and ISM device testing. Our Open Area Test Sites, certification chambers, and conducted measurement facilities have been fully described in reports filed with the FCC and accepted by the FCC in letters maintained in our files. Northwest EMC has been accredited by ANSI to ISO / IEC Guide 65 as a product certifier. We have been designated by the FCC as a Telecommunications Certification Body (TCB). This allows Northwest EMC to certify transmitters to FCC specifications in accordance with 47 CFR 2.960 and 2.962. NVLAP Northwest EMC, Inc. is accredited under the United States Department of Commerce, National Institute of Standards and Technology, and National Voluntary Laboratory Accreditation Program for satisfactory compliance with the requirements of ISO/IEC 17025 for Testing Laboratories. The NVLAP accreditation encompasses Electromagnetic Compatibility Testing in accordance with the European Union EMC Directive 2004/108/EC, and ANSI C63.4. Additionally, Northwest EMC is accredited by NVLAP to perform radio testing in accordance with the European Union R&TTE Directive 1999/5/EEC, the requirements of FCC, and the RSS radio standards for Industry Canada. NVLAP LAB CODE 200629-0 NVLAP LAB CODE 200630-0 NVLAP LAB CODE 200676-0 NVLAP LAB CODE 200761-0 NVLAP LAB CODE 200881-0 Industry Canada Accredited by NVLAP for performance of Industry Canada RSS and ICES testing. Our Open Area Test Sites and certification chambers comply with RSS-Gen, Issue 2 and have been filed with Industry Canada and accepted. Northwest EMC has been accredited by ANSI to ISO / IEC Guide 65 as a product certifier. We have been designated by NIST and recognized by Industry Canada as a Certification Body (CB) per the APEC Mutual Recognition Arrangement (MRA). This allows Northwest EMC to certify transmitters to Industry Canada technical requirements. (Site Filing Numbers - Hillsboro: 2834D-1, 2834D-2, Sultan: 2834C-1, Irvine: 2834B-1, 2834B-2, Brooklyn Park: 2834E-1) CAB Designated by NIST and validated by the European Commission as a Conformity Assessment Body (CAB) to conduct tests and approve products to the EMC directive and transmitters to the R&TTE directive, as described in the U.S. - EU Mutual Recognition Agreement. NEMKO Assessed and accredited by NEMKO (Norwegian testing and certification body) for European emissions and immunity testing. As a result of NEMKO's laboratory assessment, they will accept test results from Northwest EMC, Inc. for product certification (Authorization No. ELA 119). Accreditations and Authorizations Australia/New Zealand The National Association of Testing Authorities (NATA), Australia has been appointed by the ACA as an accreditation body to accredit test laboratories and competent bodies for EMC standards. Accredited test reports or assessments by competent bodies must carry the NATA logo. Test reports made by an overseas laboratory that has been accredited for the relevant standards by an overseas accreditation body that has a Mutual Recognition Agreement (MRA) with NATA are also accepted as technical grounds for product conformity. The report should be endorsed with the respective logo of the accreditation body (NVLAP). VCCI Accepted as an Associate Member to the VCCI, Acceptance No. 564. Conducted and radiated measurement facilities have been registered in accordance with Regulations for Voluntary Control Measures, Article 8. (Registration Numbers. - Hillsboro: C-1071, R-1025, G-84, C-2687, T-1658, and R-2318, Irvine: R-1943, G-85, C- 2766, and T-1659, Sultan: R-871, G-83, C-1784, and T-1511, Brooklyn Park: R-3125, G-86, C-3464, and T- 1634). BSMI Northwest EMC has been designated by NIST and validated by C-Taipei (BSMI) as a CAB to conduct tests as described in the APEC Mutual Recognition Agreement (US0017). License No.SL2-IN-E-1017. GOST Northwest EMC, Inc. has been assessed and accredited by the Russian Certi…

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NORTHWEST EMC IMG_2921.JPG IMG_2920.JPG Radiated Emissions PSA-ESCI 2009.06.09 NORTHWEST EMC IMG_2922.JPG Radiated Emissions PSA-ESCI 2009.06.09 NORTHWEST EMC Field Strength of Fundamental PSA 2008.07.21 NORTHWEST EMC Field Strength of Fundamental PSA 2008.07.21 NORTHWEST EMC Field Strength of Spurious Emissions PSA 2008.07.21 NORTHWEST EMC Field Strength of Spurious Emissions PSA 2008.07.21