EW780-7812-011.9GHz Cordless Phone - Headset

User’s manual TL7710 DECT 6.0 cordless headset Congratulations on your purchase of this AT&T product. Before using this AT&T product, please read the Important safety information section on pages 50-53 of this manual. Please thoroughly read this user’s manual for all the feature operations and troubleshooting information necessary to install and operate your new AT&T product. You can also visit our website at www.telephones.att.com or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. Model number: TL7710 (Headset and headset base) Type: DECT 6.0 cordless headset Serial number: Purchase date: Place of purchase: Both the model and serial numbers of your AT&T product can be found on the bottom of the headset base. Save your sales receipt and original packaging in case it is necessary to return your telephone for warranty service. © 2010 Advanced American Telephones. All Rights Reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property licensed to Advanced American Telephones, San Antonio, TX 78219. Printed in China. Headset baseCordless headset with medium-sized earbud attached Telephone line cord User's manualQuick start guide Headset base power adapter Over-the-ear hook Behind-the-neck band Over-the-head band Parts checklist Check to make sure the headset package includes the following items. Save your sales receipt and original packaging in the event warranty service is necessary. Line splitterBattery pack (battery with battery compartment cover attached) User’s manual TL7710 DECT 6.0 cordless headset Quick start guide TL7710 DECT 6.0 cordless headset USB cable2 earbuds Corded phone interface cable Optional accessories In this manual, there are references to TL7100 and TL7700. The TL7100 is a lifter and TL7700 is an expansion headset with charger, purchased separately. For more information about these products, see the user’s manuals. You may also download the manuals at www.telephones.att.com. TL7100TL7700 User’s manual TL7710 DECT 6.0 cordless headset Table of contents Getting started Quick reference guide - headset......................................... 1 Quick reference guide - headset base ............................. 2 Installation...................................... 4 Headset base installation........ 5 For calls using the phone line.................................................. 5 For calls using your computer ..................................... 7 Connect your headset to your computer .......................... 7 Headset base settings .............. 8 Corded handset connection switch............................................ 8 Battery installation ..................... 9 Battery charging ......................... 10 Add and register headsets .... 11 For Synapse users .................. 12 For SynJ users.......................... 12 To register a headset to the headset base ............................ 13 To register a headset to an AT&T DECT cordless telephone base ....................... 14 Replace a headset .................... 15 To deregister all headsets from the headset base ........ 15 To deregister the headset(s) from an AT&T DECT cordless telephone base ....................... 16 Headset attachments ............... 17 Earbud.......................................... 17 Over-the-ear hook ................. 18 Over-the-head band ............. 21 Behind-the-neck band ......... 23 Operation Headset operation ..................... 25 Power on/off the headset........................................ 25 Phone mode and PC mode ............................................ 25 Make a call................................. 26 Answer a call............................ 27 End a call.................................... 27 Headset ringer ......................... 28 Temporary ringer silencing...................................... 28 Options while on calls............. 29 Volume control ........................ 29 Call waiting................................ 29 Mute .............................................. 30 Switch a call between the handset and headset .......... 30 Multiple headsets/handsets use ................................................. 31 Intercom.......................................... 32 Answer an intercom call..... 32 Answer an incoming call during an intercom call....... 32 End an intercom call............. 32 PC mode ......................................... 33 Turn on PC mode ................... 33 Configure your audio settings........................................ 33 Make or answer a call in PC mode ..................................... 33 Switch between PC mode and PHONE mode.................. 34 Conference PHONE and PC calls............................................... 35 Appendix Alert tones and lights .............. 36 Headset alert tones............... 36 Headset lights .......................... 37 Headset base lights............... 38 Troubleshooting .......................... 39 Important safety information................................ 50 Safety information.................. 50 Especially about cordless headsets ..................................... 51 Precautions for users of implanted cardiac pacemakers ............................... 53 Pacemaker patients............... 53 Maintenance.................................. 54 FCC Part 68 and ACTA............. 55 FCC Part 15................................... 58 Limited warranty......................... 60 Technical specifications .......... 64 DECT 6.0 digital technology................................. 64 Operating range...................... 64 Extended range and clarity ........................................... 64 Index Index ................................................. 65 Quick reference guide - headset VOL+/VOL- Push the volume switch on the top of the headset to the right or left to adjust the headset ringer volume while in idle mode (page 28) or the listening volume while on a call (page 29). (On/off button and light) Press to make, answer and end a …

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VTech Telecommunications Ltd Date: 21 Jun, 2010 To whom it may concern, Declarations FCC ID: EW780-7812-00 (Base) FCC ID: EW780-7812-01 (Headset) IC: 1135B-80781200 I, the undersigned, hereby declare that 1. The device does not use the provisions of 47CFR 15.323 (c) (6), random waiting mechanism is not used in this system. 2. The provisions of 47CFR 15.323 (c) (10) and 47CFR 15.323 (c) (11) are not used to extend the range of spectrum occupied over space or time for the purpose of denying fair access to spectrum to other devices. 3. Only the headset will act as the initiating device, which will initiate the establishment of the duplex connection. 4. The device complies with the provisions of 47CFR 15.319(f). The device shall automatically discontinue transmission in case of either absence of information to transmit or operational failure. These provisions are not intended to preclude transmission of control and signaling information or use of repetitive codes used by certain digital technologies to complete frame or burst intervals. The following table explains the reaction of device in case of either absence of information to transmit or operational failure after a connection of its companion device is established. Circumstances Reaction of Base Unit Reaction of Headset 1 Switch-off companion device B N/A 2 On Hook by companion device B N/A 3 Remove power from companion device B A 4 Switch-off device N/A C 5 On hook device N/A C 6 Remove power from device A C A – Connection is terminated and, transmission ceases. B – Connection is terminated but device transmits control or signaling information. C – Connection is terminated but companion device transmits control or signaling information. N A – Not applicable If you have questions or need further information, please contact the undersigned. Regards, Name: Samson Man Title: Approbation Supervisor

VTech Telecommunications Ltd 21 July, 2010 To whom it may concern, Label Location Justification FCC ID: EW780-7812-01 Request is hereby submitted by VTech Telecommunications Ltd. to request an alternative method of positively identifying the equipment, pursuant to 47 CFR § 2.925(f) of the FCC Rules. The FCC identifier for headset will be placed in the battery compartment and the following requirements are confirmed to meet: a) The FCC identifier will visible at the time of purchase, by either of the following approaches: • Marketing the device without the battery installed, or • Providing instruction (stated on the box, user manual, or additional documentation) directing the user as to where to find the FCC label. b) The user accessible area will not require any special tools for access and the FCC label will not be placed on a removable part. The user manual has already included the FCC statements, pursuant to 47 CFR § 15.19(a)(3), 15.21 and 15.105(b). If you have questions or need further information, please contact the undersigned. Sincerely, Samson Man Approbation Supervisor

VTech Telecommunications Ltd Appendix B1 Letter of Agency for FCC Certification 16-July-2010 To whom it may concern, Letter of Agency I, an officer of VTech Telecommunications Ltd. do hereby authorize Intertek Testing Services (Mr. Ken Sit/ Mr. Tommy Leung/Mr. Melvin Nip) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and/or Part 95 of the FCC Rules until further notice. I further certify that no party (as defined in §1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C., 862. Regards, Samson Man Approbation Supervisor

VTech Telecommunications Ltd 21 Jun, 2010 To whom it may concern, Request for Permanent Confidentiality Under FCC Part 15 Certification FCC ID: EW780-7812-01 Request is hereby submitted by VTech Telecommunications Ltd. to withhold permanently from public review certain portions of the application for equipment certification for the referenced FCC identifiers. This request for confidentiality is made pursuant to 47 CFR § 0.457(d) and 0.459 of the FCC Rules. In particular, the following sections of the application are to be kept permanently confidential and VTech Telecommunications Ltd. reserves the right to discern which parties can obtain access to these information: • Schematics • Detailed Block diagrams • Detailed Operational/Functional Description The rationale for request for confidentiality is as followings: This information represents intellectual property of VTech Telecommunications Ltd. and it is subject to competition. We have invested considerable time and materials in research and development to produce the referenced product. Disclosure of the permanently confidential portions of this application to competitors would not only give them significant competitive advantages in developing similar products, but would also disclose successful implementation of unpublished, leading edge technology developed by us. If you have questions or need further information, please contact the undersigned. Regards, Samson Man Approbation Supervisor

INTERTEK TESTING SERVICES External Photos FCC ID: EW780-7812-01 IC: 1135B-80781200 external photos - 1 of 1

INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-01 IC: 1135B-80781200 internal photos - 1 of 4 Headset assembly (View 1) Headset assembly (View 2) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-01 IC: 1135B-80781200 internal photos - 2 of 4 Headset Main PCB comp side (View 1) Headset Main PCB comp side (View 2) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-01 IC: 1135B-80781200 internal photos - 3 of 4 Headset Main PCB comp side (View 3) Headset Main PCB solder side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-01 IC: 1135B-80781200 internal photos - 4 of 4 Headset Main PCB solder side (View 2)

Intertek Testing Services Hong Kong Ltd. 2/F, Garment Center,576 Castle Peak Road, Kowloon, Hong Kong Phone: 852-2173 8888 /fax: 852- 2785 5487 July 09, 2010 VTech Telecommunications Ltd Model: TL7710 FCC ID: EW780-7812-01 Product Description: DECT 6.0 cordless Headset Ear Bud SAR exemption: This device has been excluded from SAR testing based on source-based time- averaged conducted output power is less than 60/f per it operates with a maximum of 1 TDMA slot out of the 24 total slots. This document serves as the RF exposure exhibit in the FCC Form 731 application in lieu of a SAR report and has been reviewed and accepted by the FCC prior to submittal to the TCB. Operational Description: The TL7710 is a DECT 6.0 cordless Headset. It operates at frequency range of 1921.536MHz to 1928.448MHz with 5 channels. The Headset is powered by a “Lithium-Polymer” rechargeable battery pack. Each Headset (TL7710) must be registered to its Headset Base unit (DECT 6.0 cordless telephone system) before use. By simply pressing the central button, the user can pick up the call during phone ringing and to end the call during a call. The headset can adjust its earpiece volume and ringer volume. RF Exposure Conditions: The Headset is intended for use in the portable exposure condition and the General Population / Uncontrolled RF exposure environment. Intertek Testing Services Hong Kong Ltd. 2/F, Garment Center,576 Castle Peak Road, Kowloon, Hong Kong Phone: 852-2173 8888 /fax: 852- 2785 5487 Transmission Mode: The TL7710 cordless Headset utilizes a DECT wireless communication technology with a maximum of 1 TDMA slot out of the 24 total slots. Duty Cycle: Under DECT mode, the TL7710 - wireless Headset operates with a maximum of 1 TDMA slot out of the 24 total slots. The length of time for each single slot is roughly the same as 420μs and the 24 total slots is 10ms as a transmission period. RF Output Power: Tx frequency range: 1921.536 ~ 1928.448MHz Antenna-to-tissue phantom separation: 2mm Maximum Output Power: 19.10 dBm (81.28 mW) Maximum Duty Factor: 4.16% 60/f(GHz) mW = 31.17mW Source-based time-averaged conducted output power is 3. 381mW =< 60/f

- The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. - This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com VTech Telecommunications Ltd. Application For 47 CFR Part 15 Certification RSS-213 Issue 2 Equipment Certification Unlicensed Personal Communication Service Devices/ 2 GHz License-exempt Personal Communications Service Devices (Headset) FCC ID: EW780-7812-01 Model: TL7710, TL7711 IC: 1135B-80781200 Model: TL7710, TL7711 Test Report Number: HK10060834-1 Issue Date: August 09, 2010 MN/ cl INTERTEK TESTING SERVICES Test Report Number: HK10060834-1 Page 1 of 55 FCC ID: EW780-7812-01 IC: 1135B-80781200 MEASUREMENT/TECHNICAL REPORT VTech Telecommunications Ltd. - Model: TL7710, TL7711 FCC ID: EW780-7812-01 This report concerns (check one:) Original Grant X Class II Change Equipment Type : PUE - Part 15 Unlicensed PCS portable Tx held to ear Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until : __________________ Date Company Name agrees to notify the Commission by: Date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart D for Unlicensed Personal Communication Service Device - the new 47 CFR [10-01-09 Edition] Provision. Report reviewed by: Nip Ming Fung, Melvin Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Phone : 852-2173-8535 Fax: 852-2741-1693 INTERTEK TESTING SERVICES Test Report Number: HK10060834-1 Page 2 of 55 FCC ID: EW780-7812-01 IC: 1135B-80781200 Table of Contents 1.0 Summary of Test Results........................................................................................ 5 2.0 General Description................................................................................................. 8 2.1 Product Description ................................................................................................. 8 2.2 Technical Description .............................................................................................. 8 2.3 Test Methodology.................................................................................................... 9 2.4 Test Facility............................................................................................................. 9 3.0 System Test Configuration.................................................................................... 11 3.1 Justification ........................................................................................................... 11 3.2 Conducted Emission Test Configuration ................................................................ 12 3.3 Conducted Monitoring and Operational Test Configuration.................................... 12 3.4 EUT Exercising Software....................................................................................... 12 3.5 Details of EUT and Description of Peripherals....................................................... 13 3.6 Measurement Uncertainty ..................................................................................... 14 3.7 Equipment Modification ......................................................................................... 14 4.0 Measurement Results............................................................................................ 16 4.1 Antenna Requirement........................................................................................... 16 4.2 Digital Modulation Techniques............................................................................... 16 4.3 Emission Bandwidth.............................................................................................. 17 4.4 Directional Gain of the Antenna ............................................................................. 17 4.5 Peak Transmit Power ............................................................................................ 18 4.6 Power Spectral Density ......................................................................................... 19 4.7 Automatic Discontinuation of Transmission............................................................ 19 4.8 Unwanted Emission Inside the Sub-Band .............................................................. 20 4.9 Emissions Outside the Sub-Band .......................................................................... 21 4.9.1 Radiated Emissions Configuration Photographs ................................................. 22 4.9.2 Radiated Emissions Data ................................................................................... 22 4.9.3 Field Strength Calculation................................................................................... 28 4.9.4 Average Factor Calculation and Transmitter ON Time Measurements ................ 29 4.10 Radiated Emissions f…

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INTERTEK TESTING SERVICES 26dB Emission Bandwidth Plots FCC ID: EW780-7812-01 26bw - 1 of 1 A0 Headset unit, Lowest channel, Traffic carrier Headset unit, Highest channel, Traffic carrier

Report no.: HK10060834-1 Headset Charging Mode AC Mains “L” Ctrl No.: N/A PAGE 1 Report No.:HK10060834-1 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060834-1 Headset Charging Mode AC Mains “L” Ctrl No.: N/A Report No.:HK10060834-1 Sc an S ett ings (1 Ra nge) |- ---- --- - Frequencies ---- --- ---- ||-- ---- --- -- Receiver Settings - --- ---- --- -| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 1 50 k 30 M 4. 5k 10 k P K+AV 10ms A UTO LN OFF 60 dB Final Measurement Results: Frequency QP Level QP Limit Delta MHz dBuV dBuV dB no R esults Frequency AV Level AV Limit D elta MHz dBuV dBuV dB 7.99800 33.5 50.0 -16.5 * limit exceeded Report no.: HK10060834-1 Headset Charging Mode AC Mains “N” Ctrl No.: N/A PAGE 1 Report No.:HK10060834-1 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060834-1 Headset Charging Mode AC Mains “N” Ctrl No.: N/A Report No.:HK10060834-1 Sc an S ett ings (1 Ra nge) |- ---- --- - Frequencies ---- --- ---- ||-- ---- --- -- Receiver Settings - --- ---- --- -| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 1 50 k 30 M 4. 5k 10 k P K+AV 10ms A UTO LN OFF 60 dB Final Measurement Results: Frequency QP Level QP Limit Delta MHz dBuV dBuV dB no R esults Frequency AV Level AV Limit D elta MHz dBuV dBuV dB 7.99800 32.8 50.0 -17.2 * limit exceeded

INTERTEK TESTING SERVICES Unwanted Emission Inside The Sub-Band Plots FCC ID: EW780-7812-01 inband - 1 of 1 A0 Headset unit, Lowest channel, Traffic carrier Headset unit, Highest channel, Traffic carrier

INTERTEK TESTING SERVICES Peak Transmit Power Plots FCC ID: EW780-7812-01 IC:1135B-80781200 peaktp - 1 of 2 A0 Headset unit, Lowest channel, Traffic carrier Headset unit, Middle channel, Traffic carrier INTERTEK TESTING SERVICES Peak Transmit Power Plots FCC ID: EW780-7812-01 IC:1135B-80781200 peaktp - 2 of 2 A0 Headset unit, Highest channel, Traffic carrier

INTERTEK TESTING SERVICES Power Spectral Density Plots FCC ID: EW780-7812-01 psd - 1 of 1 A0 Headset unit, Lowest channel, Traffic carrier Headset unit, Highest channel, Traffic carrier

INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Transmission FCC ID: EW780-7812-01 IC: 1135B-80781200 config photos (radiated emission – headset) - 1 of 1 Radiated Emission – Headset Front View Rear View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Charging FCC ID: EW780-7812-01 IC: 1135B-80781200 config photos (conducted emission) - 1 of 2 Conducted Emission Front View Right Side View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Charging FCC ID: EW780-7812-01 IC: 1135B-80781200 config photos (conducted emission) - 2 of 2 Conducted Emission Left Side View