NKBTXLI-01Electronic timing and scoring

RMS TX-LI Transmitter User Manual Overview Thank you for selecting the Westhold RMS TX-LI transmitter. It is part of a sophisticated electronic timing and scoring system, the RMS. The lightweight and compact TX-LI device operates on a non-removable, rechargeable, Lithium-Ion battery. It is easy to install, operate and maintain. Operation Directions TX-LI Illustration 1. The TX-LI battery should be charged up before use. Place the TX-LI transmitter in a RMS Multi-Unit Charger or a RMS Single-Unit Charger. Both the green and red LED lights will come on to indicate that the unit has begun charging. When the unit has finished charging the red LED will turn off and the green will remain on. Charge time will vary depending on how full the unit’s battery is. Full charge from empty takes about 3 hours. 2. Take the unit out of the charger when charging has terminated. The green LED will flash rapidly every 3 seconds. The number of flashes indicates the number of days of charge left in the unit. The maximum is 7 flashes. When the amount of charge remaining is down to the last day, the green LED will no longer flash. Instead, the red LED will flash once every 3 seconds to indicate that less than 1 day of charge is left and that the unit should be recharged. 3. Place the TX-LI unit in a holder and mount the unit on the vehicle in an orientation such that the label is parallel to the ground. This orientation will provide optimal performance. The unit must be mounted such that there is NO metal or carbon fiber between the unit and the receiver pick-up antenna in the ground. These materials will block the signal from the TX-LI transmitter from being picked up by the receiver. Ground Be sure to place the TX-LI unit at the same location for each vehicle. The receiver is capable of resolving the location of the transmitter to within inches of the centerline of the receive antenna. Special Note : Be sure to securely fasten the TX-LI unit to the vehicle. A poorly fastened TX-LI, like any other vehicle part, can be a hazard if it comes off on the race course! Maintenance The TX-LI requires minimal maintenance. Cleaning the battery contacts can be done with a damp cloth or cotton swab. The external plastic may be cleaned with a damp cloth. Do not use solvents to clean either the plastic or the battery contacts. Specifications Specification Dimensions Approx. 3” x 2” x 0.9”(≈8x5x2.5cm) WeightApprox. 4.2oz (120 grams) Temp Range 32-122°F (0-50°C) Battery Life168 Hours Nominal Operational IndicatorLED Low Battery IndicatorLED Humidity100% Relative FCC Notice FEDERAL COMMUNICATIONS COMMISSION RADIO AND TELEVISION INTERFERENCE STATEMENT Changes or modifications not expressly approved by Westhold Corporation could void the user's authority to operate the equipment. 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 ID: NKBTXLI-01

LABEL FORMAT NOTE: Remaining compliance statement to be included in manual LABEL LOCATION 1.90” 1.65” Westhold Corporatiom Ser No. xxxxxxxx FCC ID: NKBTXLI-01 This device complies with Part 15 of the FCC Rules Label in center of label area. This is a depressed area specifically for a label on the outside of the unit.

Master: NemkoPT15209 Date: June 3, 1999 Nemko Test Report: 2L0570RUS1 Applicant: Westhold Corporation 8430 Via Sonoma #49 La Jolla, California 92037 Equipment Under Test: TX-LI BPSK Transmitter (E.U.T.) FCC ID: NKBTXLI-01 In Accordance With: FCC Part 15, Subpart C, Paragraph 15.209 General Limits For Low Power Transmitters Tested By: Nemko U.S.A.. 11696 Sorrento Valley Road, Suite F San Diego, CA 92121 Authorized By: John L. Griffin, Director of Laboratory Operations Date: 19 December, 2002 Total Number of Pages: 13 Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 2 of 13 Table Of Contents Table Of Contents ........................................................................................ 2 Section 1. ...................................................................................................... Summary Of Test Results ............................................................................ 3 Section 2. ...................................................................................................... General Equipment Specification ................................................................ 5 Section 3. ...................................................................................................... Radiated Emissions ...................................................................................... 7 Section 4. ...................................................................................................... Test Equipment List ..................................................................................... 11 ANNEX A TEST DIAGRAMS .................................................................. 12 Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 3 of 13 Section 1. Summary Of Test Results Manufacturer: Westhold Corporation Model No.: TX-LI BPSK Transmitter Serial No.: None General: All measurements are traceable to national standards. These tests were conducted on a sample of the equipment for the purpose of demonstrating compliance with FCC Part 15, Subpart C for low power devices. All tests were conducted using measurement procedure ANSI C63.4-1992. Radiated Emissions were made on an open area test site. New Submission Production Unit Class II Permissive Change Pre-Production Unit Equipment Code THIS TEST REPORT RELATES ONLY TO THE ITEM(S) TESTED. THE FOLLOWING DEVIATIONS FROM, ADDITIONS TO, OR EXCLUSIONS FROM THE TEST SPECIFICATIONS HAVE BEEN MADE. See “ Summary of Test Data”. NVLAP LAB CODE: 2001116-0 TESTED BY: ___Ricky Hill________________________ DATE: _______10/04/02____ Nemko U.S.A. Inc. authorizes the above named company to reproduce this report provided it is reproduced in its entirety and for use by the company’s employees only. Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of such third parties. Nemko U.S.A. Inc. accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. This report applies only to the items tested. Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 4 of 13 Summary Of Test Data NAME OF TEST PARA. NO. RESULT Powerline Conducted Emissions 15.207 N/A Radiated Emissions 15.209 Complies Footnotes For N/A’s: The device is battery powered. Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 5 of 13 Section 2. General Equipment Specification Frequency Range: 10.770 MHz Operating Frequency(ies) of Sample: 10.770 MHz Integral Antenna Yes No Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 6 of 13 Theory of Operation Please refer to separate confidential exhibit. System Diagram Please refer to separate confidential exhibit. Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 7 of 13 Section 3. Radiated Emissions NAME OF TEST: Radiated Emissions PARA. NO.: 15.209 TESTED BY: Ricky Hill DATE:10/04/02 Minimum Standard: The field strength of emissions from the device shall not exceed the following limits. Fundamental (MHz) Field Strength (μ μμ μV/m) Field Strength (dBμ μμ μV) 0.009 - 0.490 2400/F(kHz) @ 300m — 0.490 - 1.705 24000/F(kHz) @ 30m — 1.705 - 30 30 @ 30m — 30 - 88 100 40.0 88 - 216 150 43.5 216 - 960 200 46.0 Above 960 500 54.0 Test Results: Complies. The worst-case emission level is 45.2 dBμV/m @ 10m at 10.77 MHz. This is 4.3 dB below the specification limit. Measurement Data: (Procedure ANSI C63.4-1992) Maximizing Emission Levels: For hand held equipment or equipment that may be mounted in a variety of positions, the E.U.T. was tested on three orthogonal axis to determine orientation of worst-case emission levels. Below 30 MHz an active loop antenna is used at a fixed height of 1 meter. The loop is rotated about it's vertical axis to obtain worst-case results. Spectrum Searched: The spectrum was searched from the lowest frequency generated in the E.U.T. up to 1000 MHz, or the 10 th harmonic of the fundamental emission. Near-Field Measurement: Emissions below 30 MHz are measured in the near-field and an extrapolation factor of 40 dB per decade is used to determine the 10m limit. Example: Measurement Distance = 10m Specification Distance = 300m 10m Limit: Specified limit (at 300m) - (40 Log 10 300 ) Thus for measurement at 10m the specified limit is increased by 59 dB. Nemko U.S.A. FCC PART 15, SUBPART C PARAGRAPH 15.209 PROJECT NO.: ANNEX A EQUIPMENT: TX-LI BPSK Transmitter FCC ID: NKBTXLI-01 Page 8 of 13 Test Data - Radiated Emissions Nemko USA, Inc. FCC, Part 15C, Radiated Em…

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