AT&T TL7912 User Manual
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AT&T TL7912 User Manual

Dect 6.0 cordless headset and handset lifter
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TL7912
DECT 6.0 cordless headset
and handset lifter

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Summary of Contents for AT&T TL7912

  • Page 1 User’s manual TL7912 DECT 6.0 cordless headset and handset lifter...
  • Page 2 1 (800) 222-3111. 1 (866) 288-4268. In Canada, dial Model number: TL7912 (Headset, headset base and handset lifter) Type: DECT 6.0 cordless headset and handset lifter Serial number: Purchase date: Place of purchase: Both the model and serial numbers of your AT&T product can be...

  • Page 3: 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. Quick start guide User’s manual TL7912 TL7912 DECT 6.0 cordless headset DECT 6.0 cordless headset and handset lifter...
  • Page 4 Parts checklist (continued) Corded phone USB cable Headset base connection cable power adapter Telephone line cord Handset lifter lifter Large lifter pad lifter pad Anti-slip pad Auxiliary ring Headset base detector...

  • Page 5: Optional Accessory

    Optional accessory In this manual, there are references to TL7900. The TL7900 includes an expansion headset and a headset charger (up to two headsets can be used with the same headset base). TL7900 can be purchased separately. For more information about www.telephones.att.com the product, visit our website at...
  • Page 6 User’s manual TL7912 DECT 6.0 cordless headset and handset lifter...
  • Page 8 Getting started Quick reference guide - headset (On/off button and light) Press to make, answer or end a call (pages 31 and 32). Headset lights light status • On when the headset is charging in the headset base. • Flashes every 10 seconds to indicate the battery is low when the headset is not in the headset base.
  • Page 9 Getting started Quick reference guide - headset VOL+/VOL- Push the volume switch on the headset to the right or left to adjust the headset ringer volume while in idle mode (page 32) or the listening volume while on a call (page 35). Earpiece MUTE/FLASH Battery pack...
  • Page 10 Getting started Quick reference guide - headset Headset alert tones One short beep • Headset key tone. One short beep • Muted headset microphone alert tone. every 30 seconds Two beeps • Error alert tone. • The ringer volume is at its lowest setting. •...
  • Page 11 Getting started Quick reference guide - headset base Magnetic charging mount PAIR Place the headset here Use to initiate headset for charging. registration or deregistration. MUTE (light) PHONE (mode PC (mode button button and light) and light) Headset base lights •...
  • Page 12 Getting started Quick reference guide - headset base VOLUME /MICROPHONE Press the volume keys on the side of the headset base to adjust the speaking volume when on a call (page 35). (USB port) Open the port cover to plug in the USB cable when in PC mode (page 23).
  • Page 13 Getting started Quick reference guide - headset base CORDED PHONE CONNECTION This jack (blue dot) is only used with the corded phone connection cable (page 14). TEL WALL JACK (red dot) POWER jack (green dot) Corded handset audio adjust switch This switch is only used when you have connected the headset base to a corded telephone (page 15).
  • Page 14 Getting started Quick reference guide - handset lifter SENSOR ADJ knob Adjusts the sensitivity of the ring detector (page 21). ADJUST LIFTER knob Adjusts the height of the lifter arm (page 17). Lifter arm Holds the corded telephone handset. Switch hook presser When the CORDED HANDSET CONNECTED switch is set to YES, pressing on the...
  • Page 15 Getting started Quick reference guide - handset lifter RING ON/OFF Press to turn the ring detector on or off. When the ring detector is off, the cordless headset does not ring (page 21). Switch hook presser adjustment knob Adjusts the position of the switch hook presser (page 17).
  • Page 16 Getting started Quick reference guide - handset lifter STATUS light • On when the headset is not in use and the ring detector is turned off. • Flashes slowly when the headset is in use and the ring detector is turned off. Blue •...

  • Page 17: Installation

    Getting started Installation You must install and STOP See pages 11-12 charge the battery before for easy instructions. using the headset. Colored labels The cords have colored labels that guide you to plug them into the correct headset base jacks. The back of the headset base has color-coded dots and the names of the jacks above them that correspond to the colored labels on the cords.

  • Page 18: Battery Installation

    Getting started Battery installation The battery is permanently attached to the battery compartment cover (known as the battery pack). Do not try to separate them from each other. After installing the battery pack, charge it for at least 15 minutes. You may be able to make and receive short calls.
  • Page 19 Getting started Battery charging and connecting base power After installing the battery, charge the headset by placing it in the magnetic charging mount as shown below. The light turns on when the headset is charging. Insert the headset into the The magnet holds the top of magnetic charging mount.
  • Page 20 Getting started Headset base and handset lifter installation Installation options You have three installation options: Option 1: Connect the handset lifter to a corded phone (see pages 14-21). This option enables you to answer calls even if you are away from the telephone base. Option 2: Connect the headset to a telephone wall jack (see page 22).

  • Page 21: Headset Base And Handset Lifter Installation

    Getting started Headset base and handset lifter installation Option 1: Connect the handset lifter to a corded phone The handset lifter (lifter) works with the cordless headset to provide a complete communication solution for most corded telephones. The lifter raises and lowers its switch hook presser to answer, make and end phone calls.
  • Page 22 Getting started Headset base and handset lifter installation Adjust the corded handset audio 1. Make sure that the CORDED HANDSET CONNECTED switch is set to YES and PHONE mode is selected on the headset base. 2. Lift the corded handset to release the switch hook. Place the corded handset beside the telephone base.
  • Page 23 Getting started Headset base and handset lifter installation Attach the lifter 1. To choose where to install the lifter on your telephone, look at the space underneath the corded handset. If there is a speaker, the lifter should be centered over the speaker.
  • Page 24 Getting started Headset base and handset lifter installation Adjust the switch hook presser position Turn the knob to move the switch hook presser until it is lined up with your telephone switch hook. Adjust the height of the lifter arm Turn the ADJUST LIFTER knob to change the height of the lifter arm.
  • Page 25 Getting started Headset base and handset lifter installation Lifter adjustments and testing 1. Make sure that the CORDED HANDSET CONNECTED switch on the headset base is set to YES. 2. Turn the switch hook presser adjustment knob until the switch hook presser is just above the switch hook (see page 17).
  • Page 26 Getting started Headset base and handset lifter installation Installation of large lifter pad (optional) If the small lifter pad cannot hold the corded handset steadily, you can attach a large lifter pad (provided) to enlarge the contact area. 1. Hold the large lifter pad in front of the small lifter pad as shown below.

  • Page 27: About Internal And Auxiliary Ring Detectors

    Getting started About internal and auxiliary ring detectors The internal or auxiliary ring detector detects the telephone ringer and sends a ring tone to the headset earpiece. If you installed the lifter over the top of the corded phone speaker, the internal ring detector will recognize when the phone rings.
  • Page 28 Getting started About internal and auxiliary ring detectors Ring detector on/off When the ring detector detects an incoming call, it sends a ring tone to the headset earpiece. • Press the RING ON/OFF button on the lifter to turn the ring detector on or off.

  • Page 29: Headset Base Installation

    Getting started Headset base installation Option 2: Connect the headset to a telephone wall jack You can use your DECT cordless headset for calls through your telephone line with or without a telephone. When you connect your headset base to the telephone wall jack without a telephone, you are unable to make calls.
  • Page 30 Getting started Headset base installation Option 3: Connect the headset to your computer You can use your DECT cordless headset for VoIP (Voice over IP) calls through your computer. You can use any software program that supports VoIP (such as Skype or Google Talk) to make and answer calls.

  • Page 31: Add And Register Headsets

    Getting started Add and register headsets • The TL7912 supports up to two cordless headsets. The headset provided with your TL7912 is already registered. You can add a new headset (TL7900, purchased separately) to the headset base. You must register a new headset with the headset base before use (see page 26).
  • Page 32 Getting started Add and register headsets For Synapse users Refer to the “Synapse Installation Guide” for instructions on installation, registration, and deregistration, and the “Synapse User’s Guide” for how to use the headset with the Synapse system. These manuals are available for free viewing and download at http://www.telephones.att.com/SynapseGuides.
  • Page 33 Getting started Add and register headsets Register a headset to the headset base Make sure the battery is properly installed in the headset (see page 11). The light flashes slowly in red and blue to indicate the headset is not registered. Place the headset in the headset base and allow it to charge for at least one hour before beginning registration.
  • Page 34 Getting started Add and register headsets Register a headset to an AT&T DECT cordless telephone base You must deregister the headset from its headset base (see page 28). Make sure the battery is properly installed in the headset (see page 11). The light on the headset flashes slowly in red and blue to indicate the headset is not registered.

  • Page 35: Replace A Headset

    Getting started Replace a headset You may need to deregister your headsets if: You wish to register your headset to an AT&T DECT telephone or a different headset base. -OR- You have two registered headsets and need to replace one of them. You must first deregister both headsets, and then register each headset you wish to use again, one at a time.

  • Page 36: Telephone Base

    Getting started Replace a headset Deregister all headsets from an AT&T DECT cordless telephone base /HANDSET LOCATOR on the telephone base Press and hold for about 10 seconds until the IN USE light starts to flash, then release the button. /HANDSET LOCATOR again.

  • Page 37: Headset Operation

    Operation Operation Headset operation Power on/off the headset Power on the headset before use. To power on the headset: • Place the headset in the headset base. -OR- • Press and hold for two seconds. light flashes blue three times and you hear three beeps when it is being powered on.
  • Page 38 Operation PHONE mode Make a call To make calls on your home or office telephone line, press PHONE on the headset base for PHONE mode. When the headset base is connected to the corded handset of your telephone with the handset lifter installed: 1.
  • Page 39 Operation PHONE mode End a call When the headset base is connected to the corded handset of your telephone with the handset lifter installed: • Press on the headset to end a call. The switch hook presser pushes down the switch hook and ends the call. When the headset base is connected to a telephone wall jack: •...

  • Page 40: Call Waiting

    Operation PHONE mode Temporary ringer silencing Press MUTE/ to temporarily silence the ringer in the headset FLASH earpiece. This silences the ringer without disconnecting the call. The next incoming call rings normally at the preset volume. NOTE: If you have more than one headset registered to the headset base, both headset earpieces ring when there is an incoming call.
  • Page 41 Operation PC mode To make and receive calls through your computer, connect the headset base to your computer using the USB cable (see page 23). Turn on PC mode In idle mode, press the PC button on the headset base to use your headset and your computer for VoIP calls.

  • Page 42: Options While On Calls

    Operation Options while on calls Volume control To adjust the listening volume: While on a call, press VOL+ or VOL- on the headset to adjust • on the headset to adjust the listening volume. • If you are on a VoIP call, you can also adjust the listening volume in your computer audio settings and your VoIP calling software.
  • Page 43 Operation Options while on calls Mute The mute function allows you to turn off the headset microphone. You can hear the caller, but the caller cannot hear you. To mute a call: • Press MUTE/ on the headset to turn off the headset FLASH microphone.
  • Page 44 Operation Options while on calls Switch between PHONE mode and PC mode You can switch back and forth between PHONE mode and PC mode while on a call by pressing the corresponding mode button on the headset base. The light on the headset base of the selected mode flashes twice every three seconds.
  • Page 45 Operation Intercom When you have registered your headset to an AT&T DECT cordless telephone, follow the instructions in your telephone user’s manual for intercom calls. Answer an intercom call Press on the headset to answer an intercom call. Answer an incoming call during an intercom call When you receive an incoming outside call during an intercom call, you hear two low beeps.

  • Page 46: Troubleshooting

    Appendix Troubleshooting If you have difficulty with your telephone, please try the suggestions below. For customer service, visit our website at www.telephones.att.com 1 (800) 222–3111 or call 1 (866) 288-4268 In Canada, dial My headset doesn’t work at all. • Make sure the power cord is securely plugged in. •...
  • Page 47 Appendix Troubleshooting Make sure that the CORDED HANDSET CONNECTED switch is • set properly (page 13). • Your telephone line cord may be defective. Install a new telephone line cord. • Another phone on the same phone line may be in use. •...
  • Page 48 Appendix Troubleshooting My cordless headset isn’t performing normally. • Make sure the power cord is securely plugged into the headset base. Plug the unit into a different, working electrical outlet not controlled by a wall switch. • Move the cordless headset closer to the headset base. You might have moved out of range.
  • Page 49 Appendix Troubleshooting • Do not install this headset near a microwave oven or in the same electrical outlet. You may experience decreased performance while the microwave oven is operating. • If your headset is located near a modem, move your headset and modem further apart from each other.
  • Page 50 Appendix Troubleshooting • Your telephone line cord may be defective. Install a new telephone line cord. • If other phones in your home or office are having the same problem, the problem is in your wiring or local service. Contact your telephone service provider (charges may apply).
  • Page 51 Appendix Troubleshooting The person on the other end cannot hear me in PC mode. • Make sure the two ends of the USB cable are securely plugged into the computer and headset base USB ports. • Make sure PC mode is selected and the PC light is on. •...
  • Page 52 Appendix Troubleshooting For Windows Vista: Go to the “Start” menu and choose “Control Panel”. If you are not already in "Classic View" mode, click on “Switch to Classic View”. In "Classic View", click on “Sounds”. Click on the “Playback” tab and select your computer speakers. Click on the “Properties”...
  • Page 53 Appendix Troubleshooting For Mac OSX: Go to the “Apple Menu” and choose “System Preferences”, and then click on “Sound”. Click on the “Output” tab and select your computer speakers as the “Sound Output” device, and then adjust the “Output volume” slider to the desired level. Make sure the “Mute”...
  • Page 54 Appendix Troubleshooting My calls cut in and out while I’m using my cordless headset. • Other electronic products such as HAM radios and other DECT phones can cause interference with your cordless headset. Try installing your headset base as far away as possible from these types of electronic devices.
  • Page 55 Appendix Troubleshooting The switch hook presser of the handset lifter doesn’t rise at all. • Make sure the CORDED HANDSET CONNECTED switch on the headset base is set to YES. • Make sure the lifter control cable is securely plugged into the LIFTER jack on the headset base.
  • Page 56 Appendix Troubleshooting • If the previous suggestions don’t work, disconnect the telephone base from the telephone jack and connect a different telephone. If there is no dial tone on that telephone either, the problem is in your wiring or local service. Contact your telephone service provider.
  • Page 57 Appendix Troubleshooting Nothing happens when I move the corded handset audio adjust switch. • When the handset lifter is used, make sure the CORDED HANDSET CONNECTED switch on the headset base is set to YES. Slide the corded handset audio adjust switch at the bottom of the headset base from A to F until you obtain good sound quality.

  • Page 58: Important Safety Information

    Appendix Important safety information This symbol is to alert you to important operating or servicing instructions that may appear in this user’s manual. Always follow basic safety precautions when using this product to reduce the risk of injury, fire, or electric shock. Safety information •...
  • Page 59 Appendix Important safety information • If this product does not operate normally, see the Troubleshooting section on pages 39-50 of this user’s manual. If you cannot solve the problem, or if the product is damaged, refer to the Limited warranty section on pages 61-64.
  • Page 60 Appendix Important safety information • Potential TV interference: Some cordless headsets operate at frequencies that may cause interference to TVs and VCRs. To minimize or prevent such interference, do not place the headset base of the cordless headset near or on top of a TV or VCR.
  • Page 61 Appendix Important safety information • Do not open or damage the batteries. Released electrolyte is corrosive and may cause injury to the eyes or skin. The electrolyte may be toxic if swallowed. • Do not dispose of the batteries in a fire. Check with local waste management codes for special disposal instructions.

  • Page 62: Maintenance

    Appendix Maintenance Taking care of your headset and handset lifter • Your cordless headset and handset lifter contain sophisticated electronic parts, so it must be treated with care. • Avoid rough treatment. • Place the headset and the handset lifter down gently. Save the original packing materials to protect your headset if you ever need to ship it.
  • Page 63 Appendix FCC Part 68 and ACTA This equipment complies with Part 68 of the FCC rules and with technical requirements adopted by the Administrative Council for Terminal Attachments (ACTA). The label on the back or bottom of this equipment contains, among other things, a product identifier in the format US: AAAEQ##TXXXX.
  • Page 64 Appendix FCC Part 68 and ACTA If this equipment is causing harm to the telephone network, the telephone service provider may temporarily discontinue your telephone service. The telephone service provider is required to notify you before interrupting service. If advance notice is not practical, you will be notified as soon as possible.
  • Page 65 Appendix FCC Part 68 and ACTA Industry Canada Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference, including interference that may cause undesired operation. The term ‘’IC:‘’ before the certification/registration number only signifies that the Industry Canada technical specifications were met.
  • Page 66 Appendix FCC Part 15 This equipment has been tested and found to comply with the requirements for a Class B digital device under Part 15 of the Federal Communications Commission (FCC) rules. These requirements are intended to provide reasonable protection against harmful interference in a residential installation.
  • Page 67 Appendix FCC Part 15 To ensure safety of users, the FCC has established criteria for the amount of radio frequency energy that can be safely absorbed by a user or bystander according to the intended usage of the product. This product has been tested and found to comply with the FCC criteria.

  • Page 68: Limited Warranty

    Appendix Limited warranty The AT&T brand is used under license - any repair, replacement or warranty service, and all questions about this product should be directed to: In the United States of America, visit www.telephones.att.com 1 (800) 222-3111 or call 1 (866) 288-4268 In Canada, call 1.
  • Page 69 Appendix Limited warranty 3. How long is the limited warranty period? The limited warranty period for the PRODUCT extends for ONE (1) YEAR from the date of purchase. If the manufacturer repairs or replaces a materially defective PRODUCT under the terms of this limited warranty, this limited warranty also applies to repaired or replacement PRODUCT for a period of either (a) 90 days from the date the repaired or replacement PRODUCT is...
  • Page 70 Appendix Limited warranty • PRODUCT returned without a valid proof of purchase (see item 6 below); -or- • Charges for installation or setup, adjustment of customer controls, and installation or repair of systems outside the unit. 5. How do you get warranty service? To obtain warranty service in the United States of America, visit www.telephones.att.com 1 (800) 222-3111...
  • Page 71 Appendix Limited warranty Include a “valid proof of purchase” (sales receipt) identifying the PRODUCT purchased (PRODUCT model) and the date of purchase or receipt; and Provide your name, complete and correct mailing address, and telephone number. 7. Other limitations This warranty is the complete and exclusive agreement between you and the manufacturer of this AT&T branded PRODUCT.

  • Page 72: Technical Specifications

    Extended range and clarity The TL7912 is a fully cordless DECT 6.0 headset offering a range of up to 500 ft. Sound level protection technology conforms to the current regulations and is used to filter out the loud and high-pitched noises.
  • Page 73 www.telephones.att.com © 2012 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. Synapse and SynJ are trademarks of Advanced American Telephones. Printed in China. Issue 1 AT&T 05/12...

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