MVAHP4290-001TCorded and Cordless Headphone

HP4290 Cordless and Corded Stereo 900MHz Headphone System User's Manual 1 INTRODUCTION This 900MHz cordless and corded stereo headphones takes advantage of the very latest advances in wireless transmission technology so that you can listen to stereo sound from your audio components upto 50 meters. All you have to do is connect the transmitter to any audio source: DVD player, CD player, MP3, TV set, VCR, Hi-Fi system or radio. Alternatively, you can enjoy the stereo sound with a audio cable connected directly from the headphone jack to the audio source components. FEATURES 1. Auto Scanning system on headphone 2. Phase Lock Loop (PLL) transmission system on transmitter 3. Automatic battery recharging (batteries supplied). 4. 900 MHz RF technology. 5. RF technology leaves you completely free to move around. 6. Transmission is not restricted solely to line of sight. 7. Rechargeable receiver headphones. 8. Charger built into the transmitter. 9. High quality stereo sound that is virtually interference-free. 10. Automatic Level Control (ALC) and Auto On/Off function. 11. The receiver headphones can be used as a normal corded headset. 2 COMPONENT IDENTIFICATION 3 COMPONENT IDENTIFICATION 1 RF receiver headphones 2 Power indicator light 3 Power On/Off switch 4 Charge contacts 5 AUTO SCAN button 6 Volume control knob (VOL) 7 Line-in Jack for connection with cable to use as normal corded headset 8 Charge contacts 9 RF transmitter 10 Operating indicator light 11 Charge indicator light 12 Audio connection cable with 3.5 mm jack plug 13 Channel selector (CHANNEL 3 2 1) 14 DC IN connector 15 Rechargeable batteries (LR03/AAA size) 16 12 V 200 mA mains adapter 17 RCA socket audio adapter 18 Jack plug adapter (3.5 mm/6.3 mm diameter) 19 Audio cable (for use as corded headset) 4 INSTALLATION TRANSMITTER 1. Connect the mains adapter provided to an electrical outlet. 2. Connect the mains adapter cable to the DC IN input connector located on the transmitter rear panel. 3. An audio cable is provided from the transmitter rear panel that can be connected to the audio outputs (Left and Right) present on a TV set, Hi-Fi system, VCR or radio-cassette player. The red Auto On indicator light will light up as soon as you have connected both the power adapter to the mains outlet AND the audio cable to a signal source. If the Auto On indicator light remains off, switch on the audio source and increase its output level until the red indicator light comes on. RECEIVER HEADPHONES 1. Move out the earpad holder from the right hand side (R) of receiver headphone. 2. Insert two rechargeable LR03/AAA size batteries taking care to ensure correct polarity. 3. Put back the earpad holder to the right hand side of receiver headphone. 4. Switch off the receiver headphones and place it into the transmitter to charge the batteries for 24 hours before the first use. 5 OPERATION 1. Switch on the sound source (TV set or audio component) that the transmitter is connected to. 2. Place the headphones On/Off switch in the On position. 3. Place the headphones on your head and adjust the volume to obtain the desired sound level. 4. If you cannot find the best reception frequency, press the "Auto Scan" button on the headphones. NOTE: You should then be able to move around freely from one room to another without any interference. If interference does occur (interruptions in the signal), press the "Auto Scan" button once to find a better reception channel. A For better stereo reception, stay approximately seven meters away from the transmitter when you press the "Auto Scan" button. B If it is impossible to find a satisfactory frequency, change the setting on your transmitter, then press the "Auto Scan" button on the headphones to find the corresponding channel. To both protect the transmitter and save power, the transmitter automatically switches off after approximately four minutes if there is no audio signal, or the signal that it receives from the audio source is too weak for proper reception. If however the signal returns to an acceptable level, then the transmitter automatically switches back on. 6 CHARGING THE BATTERIES 1. Place the On/Off switch on the receiver headphones in the Off position. 2. To recharge the headphone batteries, place the headphones on the transmitter, taking care to ensure that the charge contacts touch the transmitter's charge prongs and the green charging indicator is ON. 3. The charge process starts automatically and the green indicator light comes ON. Be sure to charge new batteries for 24 hours before using them for the first time in the headphones. The green indicator light will be on continuously during battery charging. TO USE THE RECEIVER HEADPHONES AS A NORMAL CORDED HEADSET : 1. Connect the audio cable with one end to the audio jack “LINE IN” of the receiver headphones and the other end to the headphone jack of the audio sound components (e.g. Hi-Fi, CD player, MP3, TV, etc...) 2. Please note when the receiver headphones is used as a normal corded headset with the audio cable, power on/off and volume knob of the receiver headphones are inactivated. The volume of the headset can only be adjusted from the audio sound sources (e.g. Hi-Fi, CD player, MP3, TV, etc...) 7 WARNING: Never attempt to recharge conventional dry cells. Never use another type of battery or non-rechargeable batteries to replace the rechargeable (LR03/AAA) batteries supplied. When the headphones are not in use, move the switch to the OFF position to avoid damaging the batteries. The batteries must always be fully charged before first use. An initial 24 hour charge is required to guarantee an acceptable service life for the rechargeable batteries. Always ensure that the headphones are switched to the Off position while the batteries are charging. IMPORTANT: This unit should be operated with rechargeable batteries only. When replacing the batteries or when disposing of the unit, always comply with applicable laws relating to the disposal of ba…

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UNI-ART PRECISE PRODUCTS LTD Address: 11-12/F, Yue Xiu Industrial Building, 87 Hung To Road, Kowloon, Hong Kong Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Gentlemen: This letter is to comply with Sections 0.457 and 0.459 pertaining to confidential material. Uni-Art Precise Products Ltd. would like the following documents regarding this submission for FCC ID: MVAHP4290-001T to be kept confidential. 1. Document. Block Diagram/Schematic/Theory of Operation 2. Repeat above format for each item requested. Block Diagram/Schematic/Theory of Operation The above material contains trade secrets or technical data, which would customarily be guarded from competitors. We do not want these documents to be accessible to the general public.

Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Top View of EUT Back View of EUT Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Bottom View of EUT Front View of EUT

The FCC ID & IC Label and Location This Device complies with Part 15 of the FCC Rules. Operation of this device 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. WARNING: Modification of this device to receive cellular radio-telephone service signals is prohibited under FCC rules and Federal Law. FCC ID: MVAHP4290-001T IC: 2579A-HP4290 M/N: HP4290 Company Name: Uni-Art Precise Products Ltd. FCC & IC label location

Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Internal of EUT-Open Internal of EUT-1 Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Internal of EUT-2 Internal of EUT-3 Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Internal of EUT-4 Internal of EUT-5

Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 DATE: 09/07/2007 Page 1 of 26 Rev. 00 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPART C AND RSS-210 REQUIREMENT OF CORDED AND CORDLESS HEADPHONE FCC ID: MVAHP4290-001T IC: 2579A-HP4290 MODEL No.: HP4290 BRAND NAME: N/A REPORT NO: WE07080006 ISSUE DATE: SEP 07, 2007 Prepared for UNI-ART PRECISE PRODUCTS LTD. 11-12/F, YUE XIU INDUSTRIAL BUILDING, 87 HUNG TO ROAD KOWLOON, HONG KONG Prepared by SHENZHEN HUATONGWEI INTERNATIONAL INSPECTION CO., LTD d.b.a. SHENZHEN HUATONGWEI INTERNATIONAL INSPECTION CO., LTD HUATONGWEI BUILDING, KEJI RD. 12 S., HIGH-TECH PARK, NANSHAN DISTRICT, SHENZHEN, GUANGDONG, P.R.CHINA TEL: 86-755-26748099 FAX: 86-755-26748005 Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 DATE: 09/07/2007 Page 2 Rev. 00 VERIFICATION OF COMPLIANCE Applicant: Uni-Art Precise Products Ltd. 11-12/F, Yue Xiu Industrial Building, 87 Hung To Road, Kowloon, Hong Kong Product Description: CORDED AND CORDLESS HEADPHONE Brand Name: N/A Model Number: HP4290 Serial Number: N/A File Number: WE07080006 Date of Test: Aug 12, 2007 ~ Sep 01, 2007 We hereby certify that: The above equipment was tested by SHENZHEN HUA TONG WEI INTERNATIONAL INSPECTION CO., LTD. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4 (2003) and the energy emitted by the sample EUT tested as described in this report is in compliance with radiated emission limits of FCC Rules Part 15.249. The test results of this report relate only to the tested sample identified in this report. Approved By Reviewed By Jimmy Li / Executive Manager Tracy Qi / RF Engineer SHENZHEN HUA TONG WEI SHENZHEN HUA TONG WEI INTERNATIONAL INSPECTION CO., LTD INTERNATIONAL INSPECTION CO., LTD Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 DATE: 09/07/2007 Page 3 Rev. 00 Table of Contents 1. GENERAL INFORMATION ................................................................................................ 4 1.1 PRODUCT DESCRIPTION...............................................................................................................................4 1.2 R ELATED SUBMITTAL(S) / GRANT (S)............................................................................................................. 4 1.3 T EST METHODOLOGY................................................................................................................................... 4 1.4 T EST FACILITY............................................................................................................................................. 4 1.5 S PECIAL ACCESSORIES................................................................................................................................4 1.6 E QUIPMENT MODIFICATIONS......................................................................................................................... 5 1.7. LABORATORY ACCREDITATIONS AND LISTINGS............................................................................................... 5 2. SYSTEM TEST CONFIGURATION .................................................................................... 7 2.1 EUT CONFIGURATION............................................................................................................................................... 7 2.2 EUT EXERCISE......................................................................................................................................................... 7 2.3 T EST PROCEDURE.................................................................................................................................................... 7 2.4 L IMITATION................................................................................................................................................................ 7 2.5 C ONFIGURATION OF TESTED SYSTEM...................................................................................................................... 9 3. SUMMARY OF TEST RESULTS ........................................................................................ 9 4. DESCRIPTION OF TEST MODES ..................................................................................... 9 5. CONDUCTED EMISSIONS TEST .................................................................................... 10 5.1 MEASUREMENT PROCEDURE:................................................................................................................................. 10 5.2 T EST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)........................................................................................ 10 5.3 MEASUREMENT EQUIPMENT USED:....................................................................................................................... 11 5.4 M EASUREMENT RESULT:........................................................................................................................................ 11 6. RADIATED EMISSION TEST ........................................................................................... 12 6.1 MEASUREMENT PROCEDURE.................................................................................................................................. 12 6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION)......................................................................................... 12 6.3 M EASUREMENT EQUIPMENT USED:........................................................................................................................ 13 6.4 F IELD STRENGTH CALCULATION...............................................................................................................…

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Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Radiated Emission Setup Photo Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080006 FCC ID: MVAHP4290-001T IC: 2579A-HP4290 Conducted Emission Setup Photo