URV-DCU706REMOTE CONTROL DEVICE

2007 Sundance DCU-706 Software Specification 71 15th Line South RR1, Orillia, Ontario, Canada, L3V 6H1, (705) 326-3761 2 versions of software and hardware are required for 2007 production. Sundance DCU-6560-131, SD-880 Series, PN 6560-131 2007 Features inlcude: • Zone 3(1), RGBW, 4-O/Ps, Exterior • Zone 2, RGB, 4-O/Ps, Top Side and waterfeature lights • Zone 1(3), RGB, 2-O/Ps, Interior, underwater lighting • 3 Button Auxiliary control panel functionality • Single AC ON/OFF mode from the main control panel, to SW AC I/P • Photocell enabled • Temp probe and RF output enabled • Music feature, not implemented Jacuzzi DCU-2560-131, Jac-J300/J400 and SD-780 series, PN 6560-132/2560-131 The feature list includes all of the above features with 2 changes, • 2 Button Auxiliary control panel functionality • No SW AC input control, constant 12vAC power only, all operations are handled from the AUX panel. Software Features to implement and Basic Operational Guidelines: The original software design is based on the 2005/2006 version of the DCU-6600 Atmel processor software application. Basic operational features are very similar. Bryan Huff has supplied a chart for the modes of operation he would like to see included for both a Jacuzzi and Sundance version of the code. Basic Mode changes for the Standard 8 Modes are listed as per Bryan Huffs Excel Spreadseet chart, which will be included later in this document. (Implemented from 4th draft), 5th draft rcvd Nov 14/06, not implemented. There are 5 hidden modes on both the Jacuzzi and Sundance DCU. Standard Modes are all available with the use of the AUX Mode button only, both versions. Hidden Modes will be available, if the lights are already ON, with a "Push and Hold" of the AUX button for 3 seconds, this will get you the first hidden mode, an additional Mode button press (short duration) will move to the next hidden mode and so on. A 5th push of the Mode Btn will get back to the standard modes of operation at the beginning of the sequence. A standard 2 Hr timeout is on all standard and hidden modes. (** Question: can we make one of the hidden modes disregard the timeout for showroom operation**) 2007 Sundance DCU-706 Software Specification 71 15th Line South RR1, Orillia, Ontario, Canada, L3V 6H1, (705) 326-3761 New Features Controls added for this DCU The Photocell feature and Default Mode The Exterior Zone 3(1) will operate on photocell control. ON during the night, OFF during the day, Exterior Zone3(1) only. When no photocell is installed the exterior lights and iPOD white lights will be ON all the time. If the Photocell Pins are shorted (jumpered) the lights will never be on, always OFF The "default" colour mode will be initiated whenever the DCU is not in operation, so not turned on from the AUX panel or the SW AC input. To set/store the default colour mode: With the interior lighting turned OFF (all lights off except the exterior on photocell control) Simply "Push and Hold" the Mode button for 3 seconds. Upon release of the button, a new mode will be selected, "Push and Hold" again for another 3 seconds to select the next default mode. Each "Push and Hold" button press will cycle through the STD mode list. Once a default mode is selected it will be remembered until the DCU power (tub power) is removed. Intensity of the default mode is not controlled. (** How to set the intensity of the default mode, if you press the intensity button while default mode is enabled, then you are asking the lights to turn ON **) Temperature Probe and RF LCD Status Monitor The DCU contains an RF transmitter, operating at 433.92MHz, it has a periodic transmission of temperature data for a separate battery operated wireless LCD Status monitor. The intention is that the Status monitor can sit in a consumer's kitchen and have relaitvely up to date information ( approx. 15 minute intervals) on the status of the hot tub temperature in the backyard. This should aid in the ability to determine if a circuit breaker has popped or a tub is shut-down, especially during the critical cold winter months, where a freeze up would cause major disasters. The DCU transmits an updated temperature every 11 seconds. "Unique ID" Each DCU will have a Unique ID so it can transmit its code and not interfere with a neighbours LCD unit. There are 65,560 different combinations 0xFFFF, with 0xDEAD being a test case. "Offset" Each DCU has a delay upon startup based on the unique ID, this should enable tubs in the neighbourhood, that start at the same time, possibly after a power blackout, a chance to receive a clear transmission and not have 2 tubs broadcast at the same time. (16 variations, 1 second each) The LCD Status monitor will need to "Bond" to the unique ID of it's respective DCU. An LCD need not be "Bonded" or "Married" after the batteries have been removed and replaced. 2007 Sundance DCU-706 Software Specification 71 15th Line South RR1, Orillia, Ontario, Canada, L3V 6H1, (705) 326-3761 The DCU code must be able to be told to send the "Bond" command, while the LCD Status monitor is in a "listening" for a "Bond" code, and cannot pickup a random transmission from a different tub. To send the "Bond" command from a DCU, it must be available during any operation status (lights on or off, 2 hr timeout On or off, AC On or Off for Sundance) "Press and Hold" the Intensity button for 3-seconds (There is only 1 on Jacuzzi so it must be that one) (** confirm the pin number of the intensity control **) (** I would like to make ALL lights flash twice during this operation to show the Marry Me command has been sent.**) The DCU, as long as it is powered, regardless of it's lighting status (ON or OFF), will send a periodic transmition of its temperature. (approx every 11 seconds, for a 0.11mS 4680 baud, packet) The actual baud rate and transmission scheme is as follows: All packets with a 1 start bit, 0 stop bits and odd parity 11 bits/byte, 55 byte packet (1) Sync byte and type of transmission (Bond or Tem…

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SPECTRON ELECTRONICS INC. 116 Fleetwood Rd. - LINDSAY - ONTARIO - K9V 6C6 - TEL 1.888.667.7707 www.spectronelectronics.com - [email protected] - FAX 705.878.0180 November 28, 2006 FEDERAL COMMUNICATIONS COMMISSION 7435 Oakland Mills Road Columbia, MD 21046 U.S.A. Subject: Request for withholding from public disclosure the schematic diagrams and system block diagrams pursuant to an application for certification. Applicant: Spectron Electronics Inc Product: DCU706 FCC ID: URV-DCU706 Exhibit Type File Name Block Diagram DCU706-BlkDiag__CONFIDENTIAL.pdf Schematics DCU706-Schem__CONFIDENTIAL.pdf Operational Description DCU706-OpDesc__CONFIDENTIAL.pdf Parts List DCU706-PartLst__CONFIDENTIAL.pdf Dear Sir/Madam, We, Spectron Electronics Inc., would like to request that the schematic diagrams, system block diagrams, parts list and operational description, submitted with the application for certification be withheld from public disclosure as per Section 0.459 of FCC Rules. This request is made under the provisions of Section 0.457(d) of the Commission’s Rules, and Section 552(b)(4) of the Freedom of Information Act. These sections authorize as a withholding from public inspection materials which would be privileged as a matter of law if retained by the person submitting them, and materials which would not customarily be released to the public by that person. If you have any queries, please do not hesitate to contact us by our TOLL FREE number . OUR TELEPHONE NO.: (877-667-7707) Yours truly Michael Peart General Manager

December 11, 2006 TIMCO ENGINEERING INC. P O BOX 370 849 N.W. STATE ROAD 45 NEWBERRY, FLORIDA USA, 32669 Subject: FCC Certification Application under FCC PART 15, Subpart C, Sec. 15.231 - Momentarily Operation at 433.92 MHz. Product: DCU706 Model No.: DCU706 FCC ID: URV-DCU706 Dear Sir/Madam As appointed agent for Spectron Electronics Inc., we would like to submit the application to Timco Engineering Inc. for equipment authorization of the above product. Please review all files uploaded to TIMCO Upload Web Site. If you have any queries, please do not hesitate to contact us. Yours truly, Tri Minh Luu, P. Eng., V.P., Engineering Encl UltraTech Group of Labs Ultratech’s Accreditations: 0685 31040/SIT C-1376 46390-2049 200093-0 SL2-IN-E-1119R 3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4 Tel.: (905) 829-1570 Fax.: (905) 829-8050 Website: www.ultratech-labs.com Email: [email protected]

Extern Photographs – Spectron Electronics Inc. DCU706 (M/N: DCU706)

Model: DCU706 FCCID: URV-DCU706 IC: 6825A-DCU 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.

Internal Photographs – Spectron Electronics Inc. DCU706 (M/N: DCU706)

DCU706 Model No.: DCU706 FCC ID: URV-DCU706 Applicant: Spectron Electronics Inc. 116 Fleetwood Rd. Lindsay, Ontraio Canada, K9V 6C6 In Accordance With FEDERAL COMMUNICATIONS COMMISSION (FCC) Part 15, Subpart C, Section 15.231 Momentarily Operation at 433.92 MHz UltraTech's File No.: SPEC-001F15C231 This Test report is Issued under the Authority of Tri M. Luu, Professional Engineer, Vice President of Engineering UltraTech Group of Labs Date: December 11, 2006 Report Prepared by: JaeWook Choi Issued Date: December 11, 2006 Tested by: Hung Trinh, RFI Technician Test Dates: November 20, 26 & 27, 2006 ƒ The results in this Test Report apply only to the sample(s) tested, and the sample tested is randomly selected. ƒ This report must not be used by the client to claim product endorsement by NVLAP or any agency of the US Government. UltraTech 3000 Bristol Circle, Oakville, Ontario, Canada, L6H 6G4 Tel.: (905) 829-1570 Fax: (905) 829-8050 Website: www.ultratech-labs.com , Email: [email protected], Email: [email protected] 0685 31040/SIT C-1376 46390-2049 200093-0 SL2-IN-E-1119R FCC Part 15, Subpart C, Section 15.231 (433.92 MHz) DCU706, Model: DCU706 FCC ID: URV-DCU706 ULTRATECH GROUP OF LABS File #: SPEC-001F15C231 3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4 December 11, 2006 Tel. #: 905-829-1570, Fax. #: 905-829-8050, Email: [email protected] , Website: http://www.ultratech-labs.com All test results contained in this engineering test report are traceable to National Institute of Standards and Technology (NIST) TABLE OF CONTENTS EXHIBIT 1. SUBMITTAL CHECK LIST........................................................................................................................ 2 EXHIBIT 2. INTRODUCTION ......................................................................................................................................... 3 2.1. SCOPE......................................................................................................................................................................... 3 2.2. RELATED SUBMITTAL(S)/GRANT(S)................................................................................................................... 3 2.3. NORMATIVE REFERENCES ................................................................................................................................... 3 EXHIBIT 3. PERFORMANCE ASSESSMENT .............................................................................................................. 4 3.1. CLIENT INFORMATION .......................................................................................................................................... 4 3.2. EQUIPMENT UNDER TEST (EUT) INFORMATION ............................................................................................. 4 3.3. EUT’S TEHNICAL SPECIFICATIONS..................................................................................................................... 5 3.4. LIST OF EUT’S PORTS ............................................................................................................................................. 5 3.5. ANCILLARY EQUIPMENT ...................................................................................................................................... 5 EXHIBIT 4. EUT OPERATION CONDITIONS AND CONFIGURATIONS DURING TESTS ............................... 6 4.1. CLIMATE TEST CONDITIONS ................................................................................................................................ 6 4.2. OPERATIONAL TEST CONDITIONS & ARRANGEMENT FOR TESTS ............................................................. 6 EXHIBIT 5. SUMMARY OF TEST RESULTS ............................................................................................................... 7 5.1. LOCATION OF TESTS .............................................................................................................................................. 7 5.2. APPLICABILITY & SUMMARY OF EMC EMISSIONS TEST RESULTS............................................................. 7 5.3. MODIFICATIONS INCORPORATED IN THE EUT FOR COMPLIANCE PURPOSES ........................................ 7 EXHIBIT 6. MEASUREMENTS, EXAMINATIONS & TEST DATA FOR EMC EMISSIONS............................... 8 6.1. TEST PROCEDURES................................................................................................................................................. 8 6.2. MEASUREMENT UNCERTAINTIES ...................................................................................................................... 8 6.3. MEASUREMENT EQUIPMENT USED.................................................................................................................... 8 6.4. METHOD OF MEASUREMENTS............................................................................................................................. 8 6.5. ESSENTIAL/PRIMARY FUNCTIONS AS DECLARED BY THE MANUFACTURER ......................................... 8 6.6. PERIODIC OPERATION PROVISIONS [§15.231(A)].............................................................................................. 9 6.7. TRANSMITTER RADIATED EMISSIONS @ 3 METERS – FUNDAMENTAL & SPURIOUS EMISSIONS [§§15.231(E), 15.209 & 15.205] ............................................................................................................................................ 10 6.8. EMISSION BANDWIDTH [§15.231(C)].................................................................................................................. 15 6.9. POWER LINE CONDUCTED EMISSIONS [§ 15.107 (B) & 15.207] ................................................................. 18 EXHIBIT 7. MEASUREMENT UNCERTAINTY.........................................................................................................22 7.1. RADIATED EMISSION MEASUREMENT UNCERTAINTY ......................................…

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Test Setup Photographs – Spectron Electronics Inc. DCU706 (M/N: DCU706) AC Power Line Test Setup. Radiated Emission Test Setup.