HDT90659TXDump Truck Transmitter

   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.

Operation Description of transmitter for Dump Truck The transmitter for Dump Truck is operating at 49.860 MHz, which is controlled by a crystal. It is powered by a 9V battery. There is steeling wheels for turning left and right direction; two buttons in the middle control the dump up and down; one button at the bottom control forward and backward movement. Refer to the circuit design, the circuit description is listed as follows: - ICU2 and associated circuit act as encoding - X1, Q1 and associated circuit act as oscillation - Q2 and associated circuit act as amplification

TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AD002849-1 Date : 2003 March 28 Applicant : Kin Yat Industrial Co., Ltd. 7/F., Galaxy Factory Building, 25-27 Luk Hop Street, San Po Kong, Kowloon, Hong Kong. Sample Description : One(1) submitted sample stated to be Dump Truck of Model No. 90659. Rating : 1 x 9 V size battery No. of sample(s) : Two(2) pieces *** Date Received : 2003 February 25. Test Period : 2003 February 25 – 2003 March 03. Test Requested : FCC Part 15 Certification Test Method : FCC Rules and Regulations Part 15 – May 2002 ANSI C63.4 – 1992 Test Result : See attached sheet(s) from page 2 to 10. Conclusion : The submitted sample was found to comply with requirement of FCC Part 15 Subpart C. For and on behalf of CMA Testing and Certification Laboratories Authorized Signature : Page 1 of 10 Danny Chui EMC Engineer - EL. Division FCC ID : HDT90659TX TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AD002849-1 Date : 2003 March 28 Table of Contents 1 General Information........................................................................................................................ 3 1.1 General Description.................................................................................................................. 3 1.2 Related Submittal Grants.......................................................................................................... 3 1.3 Location of the test site............................................................................................................. 4 1.4 List of measuring equipment..................................................................................................... 5 2 Description of the radiated emission test.......................................................................................... 6 2.1 Test Procedure......................................................................................................................... 6 2.2 Test Result............................................................................................................................... 6 2.3 Radiated Emission Measurement Data....................................................................................... 7 3 Description of the Line-conducted Test............................................................................................ 8 3.1 Test Procedure......................................................................................................................... 8 3.2 Test Result............................................................................................................................... 8 3.3 Graph and Table of Conducted Emission Measurement Data...................................................... 8 4 Photograph..................................................................................................................................... 9 4.1 Photographs of the Test Setup for Radiated Emission and Conduction Emission.......................... 9 4.2 Photographs of the External and Internal Configurations of the EUT........................................... 9 5 Supplementary document................................................................................................................. 9 5.1 Bandwidth............................................................................................................................... 9 6 Appendices.................................................................................................................................... 10 Page 2 of 10 FCC ID : HDT90659TX TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AD002849-1 Date : 2003 March 28 1 General Information 1.1 General Description The equipment under test (EUT) is a transmitter for Dump Truck operating at 49.860 MHz which is controlled by a crystal. The EUT is powered by a 9 V size battery. There is a steering wheel for turning left and right direction; two buttons in the middle control the dump up and down; one button at the bottom control forward and backward movement. The brief circuit description is listed as follows : - ICU2 and associated circuit act as encoding - X1, Q1 and associated circuit act as oscilliation - Q2 and associated circuit act as amplification 1.2 Related Submittal Grants This is a single application for certification of a transmitter. The receiver for this transmitter is authorized by Certification procedure. Page 3 of 10 FCC ID : HDT90659TX TEST REPORT This document shall not be reproduced either in full or in part except with written approval by the Authorized Representative of CMA Testing. Room 1401-3, Yan Hing Centre, 9-13 Wong Chuk Yeung St.., Fo Tan, Shatin, Hong Kong. Tel: (852) 2698 8198 Fax: (852) 2695 4177 E-mail: [email protected] Web Site: http://www.cmatcl.com Report No. : AD002849-1 Date : 2003 March 28 1.3 Location of the test site Radiated emissions measurements are investigated and taken pursuant to the procedures of ANSI C63.4 – 1992. An Open Area Testing Site is set up for investigation and located at : Top of the Roof, Yan Hing Centre, 9 …

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