MVAHP4390-001TStereo Headphone Transmitter

Cordless Stereo 900MHz Headphone System User's Manual 1 INTRODUCTION This 900 MHz compact stereo headphones takes advantage of the very latest advances in wireless transmission technology so that you can listen to music or the sound from your TV set both in the house and outdoors. All you have to do is connect the transmitter to any audio source: DVD player, CD player, TV set, VCR, Hi-Fi system or radio (range 50 meters). 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. 2 COMPONENT IDENTIFICATION FRONT VIEW REAR VIEW 3 COMPONENT IDENTIFICATION 1 RF transmitter 2 RF receiver headphones 3 Power On/Off switch 4 Power On indicator light 5 Rechargeable batteries (LR03/AAA size) 6 Charge contacts 7 12 V 200 mA mains adapter 8 Jack plug adapter (3.5 mm/6.3 mm diameter) 9 RCA socket audio adapter 10 Operating indicator light 11 Charge indicator light 12 Audio connection cable with 3.5 mm jack plug 13 Volume control knob (VOL) 14 AUTO SCAN indicator 15 AUTO SCAN button 16 Channel selector (CHANNEL 3 2 1) 17 DC IN connector 18 Audio input cable INSTALLATION TRANSMITTER 1. Connect the mains adapter provi ded to an electrical outlet. 2. Connect the mains adapter cable to the DC IN input connector located on the transmitter rear panel. 4 3. A 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, or to a headphones/earphones output using the connector supplied. The red Auto On indicator light will light up as soon as you have connected 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. Open the cover of the battery compartm ent located on the right hand receiver headphone. 2. Insert two rechargeable LR03/AAA size batteries taking care to ensure correct polarity. 3. Close the battery compartment cover. 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 an d adjust the volume to obtain the desired sound level. 4. If you cannot find the best reception freq uency, press the "Auto Scan" button on the headphones. The corresponding indicator light will come on. 5 NOTE: You should then be able to move around freely from one room to another without any interference. If interfer ence 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 pre ss 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 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 transmitte r automatically switches back on. CHARGING THE BATTERIES 1. Place the On/Off switch on the receive r headphones in the Off position. 2. To recharge the headphone batteries, pl ace the headphones on the transmitter, taking care to ensure that the charge contacts touch the transmitter's charge prongs. 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. 6 WA R N I N G : 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 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 batteries. Please place them in a proper disposal container to ensure that they are eliminated safe ly and in an environmentally-friendly way. Thank you. 7 REPLACING BATTERIES Rechargeable batteries have a long service life. If it is however necessary to replace them, proceed as described below: Only use rechargeable batteries of th e type specified under the “Technical specifications” heading. The rechargeable batteries supplied with the headphones must absolutely not be taken apart, disposed of in an open fire or short circuited. Carefully remove the cloth padding around the left and right headphones. Install the new batteries in their housings as illustrated. Check for correct +/- polarity. Bring the cloth padding up over the sloped guide slot. Hold it in place with your thumb just after the slope to ensure that it does not leave the guide. Turn the padding as illustrated. It will slide into the guide slot by itself. Keep turning it until it is correctly in place. Once it has taken on an oval shape, then it is co…

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Uni-Art Precise Products Ltd 11-12/F, Yue Xiu Industrial Building, 87 Hung To Road, Kowloon, Hong Kong Phone: 852-27908778 Fax: 852-23436151 E-mail: [email protected] AGENCY AUTHORIZATION LETTER FCC ID: MVAHP4390-001T Date: Sep 17, 2007 IC: 2579A-HP4390 To whom it may concern: We, the undersigned, hereby authorize SHENZHEN HUATONGWEI INTERNATIONAL INSPECTION CO., LTD of China to act on our behalf, as our agent in the following matters related to the FCC approval of our products: report submittal, related correspondence, the signing of all documents relating to these matters, and any other lawful activity necessary to obtain such certification, Any act carried out by SHENZHEN HUATONGWEI INTERNATIONAL INSPECTION CO., LTD within the scope of this authorization shall have the same effects as our own. This authorization shall expire 6 months from original date. If you have any questions regarding the authorization, please don’t hesitate to contact us. Sincerely,

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: MVAHP 4390-001T 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: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Top View of EUT Back View of EUT Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Bottom View of EUT Front View of EUT Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Left View of EUT Right 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: MVAHP4390-001T IC: 2579A-HP4390 M/N: HP4390 Company Name: Uni-Art Precise Products Ltd. FCC & IC label location

Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Internal of EUT-Open Internal of EUT-1 Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Internal of EUT-2 Internal of EUT-3 Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Internal of EUT-4 Internal of EUT-5

Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 DATE: 09/10/2007 Page 1 of 27 Rev. 00 ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT INTENTIONAL RADIATOR CERTIFICATION TO FCC PART 15 SUBPART C AND RSS-210 REQUIREMENT OF 900MHz WIRELESS HEADPHONE FCC ID: MVAHP4390-001T IC: 2579A-HP4390 MODEL No.: HP4390 BRAND NAME: N/A REPORT NO: WE07080004 ISSUE DATE: SEP 10, 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: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 DATE: 09/10/2007 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: 900MHz WIRELESS HEADPHONE Brand Name: N/A Model Number: HP4390 Serial Number: N/A File Number: WE07080004 Date of Test: Aug 17, 2007 ~ Sep 03, 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: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 DATE: 09/10/2007 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: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Radiated Emission Setup Photo Shenzhen Huatongwei International Inspection Co., Ltd REPORT NO: WE07080004 FCC ID: MVAHP4390-001T IC: 2579A-HP4390 Conducted Emission Setup Photo