
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
1 WIRELESS STEREO HEADPHONES USER MANUAL 1 FM8898 WIRELESS STEREO HEADPHONES USER MANUAL 2 WIRELESS STEREO HEADPHONES USER MANUAL 2 Introduction Thank you for buying our Wireless stereo headphones! This manual will help you install it properly. Features β’ Wireless headphones with microphone built-in into the receiver β’ High-quality sound within up to 100 meters distance β’ The latest UHF/RF wireless technology β’ Several headphones can be used simultaneously with one transmitte 3 WIRELESS STEREO HEADPHONES USER MANUAL 3 Specifications * System: UHF/RF * Carrier frequency: 915.5, 916, 916.5 MHz * Sound: stereo * Transmit power: < 10 mW * S/N ratio: β₯ 55 dB * Channel separation: β₯35 dB * Distortion: β€1% * Operation distance: up to 100 m in the open air * Frequency response: 25 Hz - 20,000 Hz * Microphone: built-in into the transmitter, working distance at least 3 m * Transmitter power supply: 5V DC, 200 mA * Headphones power supply: 2 pcs x AAA battery 4 WIRELESS STEREO HEADPHONES USER MANUAL 4 Package contents β’ Wireless headphones β’ Signal transmitter β’ AC-DC power adaptor β’ Stereo audio cable 2xRCA female to 3.5 mm audio socket, 0.6 m β’ Stereo audio cable male to 3.5mm connector, 1.0m β’ Stereo audio input cable, 1.0m β’ User manual 5 WIRELESS STEREO HEADPHONES USER MANUAL 5 Installing the Transmitter Insert the external power adaptor into the DC Input Terminal socket on the rear panel of the transmitter. Then insert the audio cable of transmitter into the AUDIO-OUT socket of any audio source (such as TV, PC, DVD, CD,MP3...) 6 WIRELESS STEREO HEADPHONES USER MANUAL 6 Using Stereo Headphone Two batteries ( AAA/1.5V) must be placed into the battery box of the receiver(Headphone), ensuring that the positive and negative terminals of the batteries are inserted correctly. The headphone could receive sound signal from the transmitter or other audio device via the audio cable packaged together. Audio In 7 WIRELESS STEREO HEADPHONES USER MANUAL 7 Wireless headphones Insert audio cable of the transmitter into the AUDIO-OUT socket of the electrical device, and move the function switch of the transmitter to CH1/CH2/CH3 position accordingly. Turn on the power switch (ON/OFF) on receiver, the power indicator of receiver will go on. the sound sent from transmitter should be heard. If the sound is poor, you can press the SCAN button to delect the right channel. Turning Off the Unit When the unit is not in use, set the function switch of the transmitter to OFF position, then turn the power switch of the headphone to OFF position. The power indicator of the transmitter and headphone will then go off. When the unit is not used for a long time, take out the batteries. 8 WIRELESS STEREO HEADPHONES USER MANUAL 8 Special features β’ Double PLL and MCU System Not only transmitter but also the wireless headphone is equipped with a Phase Lock Loop (PLL) and Micro Computer system providing the ultimate in transmission and reception frequency stability β’ Active Noise Reduction Technology We can listen to more clear sound with analogue FM wireless headphone by virtually eliminating the background "hissing" noise that is sometimes noticeable during silent pauses and quiet passages. β’ Auto Tuning for Headphone The headphone will automatically tune to the transmitter by turn on the power of the headphone of the headphone. 9 WIRELESS STEREO HEADPHONES USER MANUAL 9 FCC warning 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. 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 of the following measures: β’ - Reorient or relocate the receiving antenna. β’ - Increase the separation between the equipment and receiver. β’ - Connect the equipment into an outlet on a circuit different from that 10 WIRELESS STEREO HEADPHONES USER MANUAL 10 β’ to which the receiver is connected. β’ - Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.
Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 3 Report Version 1 Reference No.: FC111230N021 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 3 Report Version 1 Reference No.: FC111230N021 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 3 Report Version 1 Reference No.: FC111230N021
Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 3 Report Version 1 Reference No.: FC111230N021 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 3 Report Version 1 Reference No.: FC111230N021 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel.: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 3 Report Version 1 Reference No.: FC111230N021
Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 1 on 24 Report Version 1 Test Report No.:FC111230N021 TEST REPORT To: SHENZHEN YUXINXIN ELECTRONICS CO., LTD Address: Building7, XinXing Industrial Park, FuYong Town BaoβAn District, ShenZhen City, GuangDong, China Manufacturer or Supplier SHENZHEN YUXINXIN ELECTRONICS CO., LTD Address Building7, XinXing Industrial Park, FuYong Town BaoβAn District, ShenZhen City, GuangDong, China Product: Wireless Headphone(TX) Brand Name: YUXINXIN Model: FM8898(EW208)-TX Date of tests: Jan. 04 ~ Jan. 10, 2012 the tests have been carried out according to the requirements of the following standards: FCC Part 15, Subpart C (Section 15.249) CONCLUSION: The submitted sample was found to COMPLY with the test requirement Prepared by Glyn He Project Engineer / EMC Department Approved by Sam Tung Manager / EMC Department Date: Jan.10, 2012 This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 34, Chenwulu Section, Guantai Rd., Houjie Town, Dongguan City, Guangdong 523942, China Tel: +86 769 8593 5656 Fax: +86 769 8593 1080 Email: [email protected] Page 2 on 24 Report Version 1 Test Report No.:FC111230N021 TABLE OF CONTENTS RELEASE CONTROL RECORD........................................................................................................3 1 SUMMARY OF TEST RESULTS.................................................................................................4 2 MEASUREMENT UNCERTAINTY .............................................................................................. 4 3 GENERAL INFORMATION.........................................................................................................5 3.1 GENERAL DESCRIPTION OF EUT ...................................................................................... 5 3.2 DESCRIPTION OF TEST MODES ........................................................................................ 6 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS ....................................................... 6 3.4 DESCRIPTION OF SUPPORT UNITS................................................................................... 6 4. TEST TYPES AND RESULTS................................................................................................7 4.1 CONDUCTED EMISSION MEASUREMENT ................................................................. 7 4.1.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT .............................................. 7 4.1.2 TEST INSTRUMENTS .................................................................................................... 7 4.1.3 TEST PROCEDURES..................................................................................................... 8 4.1.4 DEVIATION FROM TEST STANDARD........................................................................... 8 4.1.5 TEST SETUP .................................................................................................................. 9 4.1.6 EUT OPERATING CONDITIONS ................................................................................... 9 4.1.7 TEST RESULTS............................................................................................................ 10 4.2 RADIATED EMISSION MEASUREMENT .................................................................... 12 4.2.1 LIMITS OF RADIATED EMISSION MEASUREMENT.................................................. 12 4.2.2 TEST INSTRUMENTS .................................................................................................. 13 4.2.3 TEST PROCEDURES................................................................................................... 14 4.2.4 DEVIATION FROM TEST STANDARD......................................................................... 14 4.2.5 TEST SETUP ................................................................................................................ 15 4.2.6 EUT OPERATING CONDITIONS ................................................................................. 15 4.2.7 TEST RESULTS............................................................................................................ 16 4.3 20dB BANDWIDTH MEASUREMENT.......................................................................... 19 4.3.1 LIMITS OF 20dB BANDWIDTH MEASUREMENT ....................................................... 19 4.3.2 TEST INSTRUMENTS .................................................................................................. 19 4.3.3 TEST PROCEDURE ...........................................β¦
Text truncated - open the document above for the full version.
1 Set-up for radiated emission test <Frequency Range 30MHz~1GHz> <Frequency Range above1GHz> 2 Set-up for conducted emission test
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 915.5 MHz - 916.5 MHz | - |

Bluetooth Headphone
Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Wireless Transmitter
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Wireless Headphone (RX)
Equipment Class
CYY - Communications Receiver used w/Pt 15 Transmitter
Audio Transmitter
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter