QPRST31Digital FM Transmitter

§ Holder Charger/Digital Transmitter for iPod§ ST-31 User’s Manual 1 Features: l Input Voltage: DC+12V ~ +16V. l Current : 2AMax.. l Output RF range: 88.1 MHz ~ 107.9 MHz. [76 MHz ~ 90 MHz. for Japan Version] l Radio Frequency Adjustment: 0.1MHz / Per step. l Radio Frequency Response: 5.Hz ~ 20KHz. l LCD ”Digital Display” on FM Transmitter. l iPod Charging Function. l Compatible with iPod 10G, 15G, 20G, 30G, 40G and iPod mini 3G. l Extension Power Plug available for mobile with cigarette lighter in lower position. Contents: Figure 1 1. Holder/Transmitter Base 2. Holder for iPod 3. Protect Pad for iPod 10G/15G/20G 4. Clip for iPod mini 5. FM Transmitter 6. Power Plug & adaptor 7. Sleeve 2 Holder Installation Instruction & Notes: For iPod 10G, 15G, 20G, 30G- 1. Install iPod to the Holder for iPod 2. Note: Attached Protection Pads can be used to compatible with iPod 10G, 15G, 20G. As Figure 2. Figure 2. 2. Install the iPod & holder 2 to the Holder/Transmitter Base 1. As Figure 3 & 5. For iPod mini 3G – 1. Install iPod mini to the Original Apple Belt Clip Holder (no included in this package). 2. Install the Holder and iPod to the Clip for iPod mini Holder 4. As Figure 4. 3. Install the Clip for iPod mini Holder 4 to the Holder/Transmitter Base 1. As Figure 5. Figure 3. Figure 4. Figure 5. 3 Power Plug Installation Instruction & Notes: 1. Insert power plug3 into Holder/Transmitter base 1 and twist gently clockwise to “on” (on the back of Holder/Transmitter base.) As Figure 6. Figure 6. If the car’s cigarette lighter or the set of Holder/Transmitter base is too low or too close to the gear shifter, use extension stick2. Insert the extension stick2 into Transmitter1 by twisting gently clockwise to “on” (on the back of Holder/Transmitter base.) Connect the power plug3 with the extension stick2. As Figure 7. Figure 7. 2. Insert the power plug3 into the vehicle cigarette lighter adapter outlet (12V). The ”LCD Digital Display” will show out letters OK as power connects correct. 3. Install the new iPod into the will show out RED light when charging and GREEN light when charging completed. Note: Power Plug3 and extension stick2 can be adjusted up and down to the required angle and then screw in tightly. Note: The cigarette lighter sleeve4 can be adapted on the power plug 3, when your cigarette lighter is too big. Refer to Figure 6 or Figure 7. 4 Using the FM Digital Transmitter (first time usage): Figure 8. 1. Connect the FM Transmitter to the Holder/Transmitter base. Press (Quick Key o ) of the FM transmitter, the ”LCD Digital Display” will show out flash OK letters, around 3~5 seconds, as Figure 9. Figure 9. 2. Then ”LCD Digital Display” shows out the pre-set radio frequency channel 88.1MHz, as Figure 10. For future usage, the ”LCD Digital Display” will show out the last used radio frequency channel when the is powered on. Figure 10. 3. Install the Holder clip of iPod/ iPod mini into the will show out RED light when charging and GREEN light when charging completed. radio frequency channel to no-used channel. The radio will output as “zzz” sound. Note: The RF channel output mark of the FM Digital Transmitter ... ... 5. Then adjust the l “” 5 l 6. Press and hold (Quick Key o ) of the FM transmitter around 2~3 seconds, the ”LCD Digital Display” will show out - - - - letters and then power off, as Figure 11. Figure 11. 7. Then display the iPod music through the radio. 8. Adjust the volume through your radio until the satisfactory output is reached. 9. Set up the radio frequency channels once. The can memorize the latest radio frequency channels being saved. Adjustment Illustrations of Radio Frequency Channels: l Press ( Upper key ) / (Lower key ), to increase/decrease 0.2MHz radio frequency channels of the . Press (Quick Key o ) to crease/decrease radio frequency channels faster. The radio channels will be adjusted as 88.1 94.1 100.1 106.1 88.1 MHZ . [76.0 80.0 84.0 88.0 76.0 MHZ for Japan Version.] Note: When the radio frequency channels Notice of Usage: l This product should be kept in dry condition. Avoid of water. l Keep the product off direct sunlight or high temperature environment. l Please unplug the power plug when not it’s not in use. l If there phenomena of defeats, please call your dealer for help. Troubleshooting: If this product doesn’t function normal in used, l Please check whether the fuse of the power plug3 is broken. If so, please change a new one. l If the product has no-other damage, check whether the power of your cigarette lighter is working or not. l If none of the above phenomena, please call your dealer for help. 6 FEDERAL COMMUNICATIONS COMMISSION INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential 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. 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 receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. CAUTION: To assure continued FCC compliance: Any changes or modifications not expressly approved by the grantee of this device could void the user's authority to operate the equipment.

Request for Confidentiality Date: June 14, 2004 Federal Communications Commission Authorization and Evaluation Division Sub: Confidentiality Request regarding application for certification of FCC ID: QPRST31 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules , we hereby request confidential treatment of information accompanying this application as outlined below: l Schematics l Block diagram l Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application Sincerely, _______________________________________ George Shu R&D Jow Tong Technology Co., Ltd.

1 Mike Kuo From: Audix\(\) [[email protected]] Sent: July062004Tuesday 8:11 PM To: Mike Kuo Subject: Re: Jow Tong Technology Co., Ltd., FCC ID: QPRST31, Assessment NO.: AN04T3986, Notice#2 QPRST31 Operational Descriptio... QPRST31_Label Format & Locatio... Hi Mike Reply to Question #1: We have revised FCC ID Lable. (file name:QPRST31_Label Format & Location) Reply to Question #2: We have revised FCC ID Lable. (file name: QPRST31_Label Format & Location) Reply to Question #2: Yes, this transmitter can only be tuned to 88.1 to 107.9MHz by the end user. We have revised operational description. (file name: QPRST31 Operational Description) Thank you very much for your assistance in this matter. Best Re Monica Chang ----- Original Message ----- From: "Mike Kuo" <[email protected]> To: <[email protected]> Sent: Wednesday, July 07, 2004 9:32 AM Subject: FW: Jow Tong Technology Co., Ltd., FCC ID: QPRST31, Assessment NO.: AN04T3986, Notice#2 > > > -----Original Message----- > From: Compliance Certification Services [mailto:[email protected]] > Sent: Tuesday, July 06, 2004 6:14 PM > To: [email protected] > Subject: Jow Tong Technology Co., Ltd., FCC ID: QPRST31, Assessment NO.: > AN04T3986, Notice#2 > > > Question #1: The proposed FCC ID label location is placed on the transmitter > holder. The transmitter holder may be used by some other transmitter. > Please revise your proposed FCC ID label location to be placed on the > transmitter. Submit revised FCC ID label location. > > Question #2: The transmitting frequency range on the FCC ID label format > does not agree with the frequency range investigated in the test report. > Please make necessary correction. > > Question #3: Operating frequency range described in the operational > description is from 88 -108MHz which does not agree with 88.1 - 107.9MHz > fundamental frequencies range. Please make necessary correction. Please > confirm that this transmitter can only be tuned to 88.1 to 107.9MHz by the > end user. > > Best Regards 2 > > Mike Kuo > > > The items indicated above must be submitted before processing can continue > on the above referenced application. Failure to provide the requested > information within 30 days of the original e-mail date may result in > application dismissal and forfeiture of the filing fee. Also, please note > that partial responses increase processing time and should not be submitted. > Any questions about the content of this correspondence should be directed to > the e-mail address listed below the name of the sender. > . >

Page 4 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photographs of EUT (External & Internal) Photo 1 (Digital FM Transmitter Holder/ Transmitter Base and Power Plug) Appearance View Photo 2 (Holder/ Transmitter Base and Power Plug) Appearance View Page 5 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 3 (Holder/ Transmitter Base and Power Plug) Appearance View Photo 4 (Digital FM Transmitter) Appearance View

Page 15 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 ID Label Format and Location l Label Format Model: ST-31 I/P: DC5V/100mA(Max.) Frequency: 88.1MHz~107.9MHz FCC ID: QPRST31 MADE IN TAIWAN l Label Placement Location (Bottom Side of EUT) FCC Label Placement Location

Page 6 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 5 (Digital FM Transmitter) Appearance View Photo 6 (Holder/ Transmitter Base) Remove Top Cover and Bottom Cover, Internal View Page 7 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 7 (Holder/ Transmitter Base) Main Board, Component Side Photo 8 (Holder/ Transmitter Base) Main Board, Solder Side Page 8 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 9 (Holder/ Transmitter Base) Interface Board, Front View Photo 10 (Holder/ Transmitter Base) Interface Board, Back View Page 9 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 11 (Power Plug) Remove Top Cover and Bottom Cover, Internal View Photo 12 (Digital FM Transmitter) Remove Top Cover and Bottom Cover, Internal View Page 10 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 13 (Digital FM Transmitter) LCD Unit, Back View Photo 14 (Digital FM Transmitter) LCD Unit and TX Control Board, Page 11 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 15 (Digital FM Transmitter) LCD Unit, Front View Photo 16 (Digital FM Transmitter) TX Control Board, Component Side Page 12 Jow Tong Technology Co., Ltd. Digital FM Transmitter FCC ID. : QPRST31 Photo 17 (Digital FM Transmitter) TX Control Board, Solder Side

FCC ID.QPRST31 Page 1 of 24 Audix Corporation Report No. EM-F930113 TEST REPORT FOR CERTIFICATION On Behalf of Jow Tong Technology Co., Ltd. Digital FM Transmitter Model No.ST-31 FCC IDQPRST31 Prepared for : Jow Tong Technology Co., Ltd. 46, Lane 337, Chung Cheng Rd., Yung Kang, Tainan Hsien 710, Taiwan, R.O.C. Prepared by : Audix Corporation Technical Division EMC Department No. 53-11, Tin-Fu Tsun, Lin-Kou, Taipei County, Taiwan, R.O.C. Tel : (02) 2609-9301, 2609-2133 Fax: (02) 2609-9303 File Number EM930616 Report Number EM-F930113 Date of Test May 26 ~ Jun. 04, 2004 Date of Report Jun. 10, 2004 FCC ID.QPRST31 Page 2 of 24 Audix Corporation Report No. EM-F930113 TABLE OF CONTENTS Description Page TEST REPORT CERTIFICATION.......................................................................................................3 1. GENERAL INFORMATION.........................................................................................................4 1.1. Description of Device (EUT).........................................................................................................4 1.2. Tested Supporting System Details.................................................................................................5 1.3. Description of Test Facility...........................................................................................................5 1.4. Measurement Uncertainty.............................................................................................................5 2. CONDUCTED EMISSION MEASUREMENT............................................................................6 3. RADIATED EMISSION MEASUREMENT................................................................................7 3.1. Test Equipment............................................................................................................................7 3.2. Test Setup....................................................................................................................................7 3.3. Radiation Limit (Comply with §15.239 & §15.209)........................................................................8 3.4. EUT’s Configuration during Compliance Measurement..................................................................8 3.5. Operating Condition of EUT.........................................................................................................9 3.6. Test Procedure.............................................................................................................................9 3.7. Radiated Emission Noise Measurement Results............................................................................10 4. 26dB BANDWIDTH MEASUREMENT.....................................................................................17 4.1. Test Equipment..........................................................................................................................17 4.2. Block Diagram of Test Setup......................................................................................................17 4.3. Specification Limits (§15.239)....................................................................................................17 4.4. EUT’s Configuration during Compliance Measurement................................................................17 4.5. 26dB Bandwidth Measurement Results........................................................................................17 5. DEVIATION TO TEST SPECIFICATIONS.............................................................................21 6. PHOTOGRAPHS..........................................................................................................................22 6.1. Photos of Radiated Measurement at Semi-Anechoic Chamber (30-1000MHz)................................22 6.2. Photos of Radiated Measurement at Semi-Anechoic Chamber (Above 1GHz)..............................23 6.3. Photo of Bandwidth Measurement...............................................................................................24 FCC ID.QPRST31 Page 3 of 24 Audix Corporation Report No. EM-F930113 TEST REPORT CERTIFICATION Applicant Jow Tong Technology Co., Ltd. Manufacturer Jow Tong Technology Co., Ltd. EUT Description Digital FM Transmitter FCC ID QPRST31 (A) MODEL NO. ST-31 (B) SERIAL NO. N/A (C) POWER SUPPLYDC +12V~+16V Measurement Procedure Used: FCC RULES AND REGULATIONS PART 15 SUBPART C, DEC. 2003 AND ANSI C63.4-2001 (FCC CFR 47 Part 15C, §15.203, §15.207, §15.209 and §15.239) The device described above was tested by AUDIX COPORATION. to determine the maximum emission levels emanating from the device. The maximum emission levels were compared to the FCC Part 15 subpart C limits both radiated and conducted emissions. The measurement results are contained in this test report and AUDIX CORPORATION. is assumed full responsibility for the accuracy and completeness of these measurements. Also, this report shows that the EUT to be technically compliant with the FCC official limits. This report applies to above tested sample only. This report shall not be reproduced in part without written approval of AUDIX CORPORATION. Date of Test: May 26 ~ Jun. 04, 2004 Prepared by: (Monica Chang/Assistant) Test Engineer: (Allen Wang/Deputy Manager) Approved & Authorized Signer: (Leon Liu/Senior Manager) FCC ID.QPRST31 Page 4 of 24 Audix Corporation Report No. EM-F930113 1. GENERAL INFORMATION 1.1. Description of Device (EUT) Description : Digital FM Transmitter (It’s a transmitting device to hold an MP3/iPod or a CD player to transmit music signal that can be accepted by Car radio FM band) Model Number : ST-31 FCC ID : QPRST31 Applicant : Jow Tong Technology Co., Ltd. 46, Lane 337, Chung Cheng Rd., Yung Kang, Tainan Hsien 710, Taiwan, R.O.C. Manufacturer : Jow Tong Technology Co., Ltd. 46, Lane 337, Chung Cheng Rd., Yung Kang, Tainan Hsien 710, Taiwan, R.O.C. Fundamental Frequency Range: FM: 88.1MHz~107.9MHz Radio Fre…

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FCC ID.QPRST31 Page 22 of 24 Audix Corporation Report No. EM-F930113 6. PHOTOGRAPHS 6.1. Photos of Radiated Measurement at Semi-Anechoic Chamber (30-1000MHz) FRONT VIEW OF RADIATED MEASUREMENT BACK VIEW OF RADIATED MEASUREMENT FCC ID.QPRST31 Page 23 of 24 Audix Corporation Report No. EM-F930113 6.2. Photos of Radiated Measurement at Semi-Anechoic Chamber (Above 1GHz) FRONT VIEW OF RADIATED MEASUREMENT BACK VIEW OF RADIATED MEASUREMENT FCC ID.QPRST31 Page 24 of 24 Audix Corporation Report No. EM-F930113 6.3. Photo of Bandwidth Measurement