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30

Troubleshooting

If you have difficulty with your telephone, please try the following 

suggestions. For customer service, visit our website at  

https://telephones.att.com

 or call

 

1 (800) 222–3111

.  

In Canada, dial

 

1 (866) 288-4268

.

My headset doesn’t work at all.

 

X

Make sure the power cord is securely plugged in.

 

X

Make sure that the battery is securely installed in the  

cordless headset.

 

X

Charge the battery in the cordless headset for at least three 

hours. For optimum daily performance, return the cordless 

headset to its charger when not in use.

 

X

Reset the headset. Power off the headset and then power it on.

 

X

Other electronic products such as HAM radios and other DECT 

phones, can cause interference with your cordless headset. 

Try installing your telephone base as far away as possible from 

these types of electronic devices.

 

X

You may need to purchase a new battery. Refer to page 6 of 

this user’s manual.

There is no dial tone.

 

X

Try all the suggestions, as mentioned above.

 

X

Move the cordless headset closer to the telephone base. You 

might have moved out of range.

 

X

Your telephone line cord may be defective. Install a new  

telephone line cord.

 

X

Another phone on the same phone line may be in use.

 

X

If the previous suggestions do not work, disconnect the 

telephone base from the telephone jack and connect another 

phone to that jack. If there is no dial tone on that phone either, 

the problem is in your wiring or telephone service. Contact 

your telephone service provider.

Appendix

Содержание TL8900

Страница 1: ...User s manual TL8900 TL8901 DECT 6 0 accessory cordless headset...

Страница 2: ...g styles over the ear over the head or behind the neck Before using this AT T product please read the Important safety information section on pages 37 39 of this manual Please thoroughly read this use...

Страница 3: ...t can be found on the bottom of the headset charger Save your sales receipt and original packaging in case it is necessary to return this product for warranty service 2019 Advanced American Telephones...

Страница 4: ...is necessary Cordless headset with earbud attached Headset charger Battery with battery compartment cover attached User s manual Behind the neck band Headset charger power adapter Four over the ear ho...

Страница 5: ...T DECT telephone base 11 Deregistering headset 13 Deregister headset from the SynJ SB67138 base 13 Deregister all devices from an AT T DECT telephone base 15 Headset attachments 16 Over the ear hook...

Страница 6: ...ance 40 Mesures de s curit importantes 40 FCC Part 68 and ACTA 44 FCC Part 15 46 California Energy Commission battery charging testing instructions 47 Limited warranty 48 Technical specifications 51 D...

Страница 7: ...ft to adjust the headset ringer volume while in idle mode or the listening volume while on a call page 27 or page 28 X X During a call press to answer an incoming call when you receive a call waiting...

Страница 8: ...attery is fully charged Flash every 10 seconds The headset is not in the headset charger Flash 2 times every 3 seconds The headset is in use Flash 3 times Powering on Flash 4 times every 4 seconds The...

Страница 9: ...ee rapid beeps every 20 seconds X X The headset is out of range Three rapid beeps X X The headset is powering on or off Headset alert tones Alert prompt Meaning Mute on X X The microphone is muted Mut...

Страница 10: ...Getting started 4 Quick reference guide headset charger Power jack Magnetic charging mount Place the headset here for charging Power cord slot Route the power cord through the slot...

Страница 11: ...88 4268 Avoid placing the charger too close to X X Communication devices such as television sets VCRs or other cordless telephones X X Excessive heat sources X X Noise sources such as a window with tr...

Страница 12: ...ry provides approximately 12 hours of talk time or 5 days of standby time When the headset is not in use recharge it by returning it to the headset charger 1 Insert the battery into the battery compar...

Страница 13: ...BT291665 To order visit our website at https telephones att com or call 1 800 222 3111 In Canada dial 1 866 288 4268 1 Plug the small end of the headset charger power adapter into the power jack at t...

Страница 14: ...mpatible telephones Refer to the user s manual of your telephone for the maximum number of handsets and headsets that you can register to the telephone If you have the maximum number of handsets heads...

Страница 15: ...hows Cordless headset registered and beeps when the registration is successful It takes about 60 seconds to complete the registration process The light turns red when the headset is registered but not...

Страница 16: ...rger and try the registration process again If you have a dial tone but an extension number other than 0 displays on the telephone base the headset is registered as a handset and will not function pro...

Страница 17: ...he headset from the charger 4 On the telephone base press and hold HANDSET LOCATOR or FIND HS until the red IN USE light turns on about four seconds and then release the button If your telephone base...

Страница 18: ...e registration press the button on the headset and check for a dial tone If the registration fails you hear the voice prompt Not registered and the light on the headset flashes slowly in red and blue...

Страница 19: ...d need to replace or add a new device or if you wish to change the assigned extension numbers of your devices you must deregister the desired device s first then register the device s you wish to use...

Страница 20: ...REP to exit or press SKIP to continue the deregistration 6 If you press SKIP the telephone base shows Deregistering It takes up to 10 seconds to complete the deregistration When the deregistration is...

Страница 21: ...utton i Press and hold the FLASH button until the screen displays Deregister all handsets then release the button ii Press YES softkey OR i Press and hold the LOCATOR button until the screen displays...

Страница 22: ...tach an ear hook and earbud to the headset To position the headset to wear on the left or right ear X X To wear on the left ear or right ear make sure the ear hook loop is positioned as shown below Ch...

Страница 23: ...tach the ear hook to the headset 1 Attach the desired ear hook to the headset as instructed below 2 Rotate it until it securely holds in place NOTE If you accidentally ripped off the rubber ring use a...

Страница 24: ...bud to the earpiece Make sure the protruding bump is pointing towards your mouth when placed on your ear The protruding bump on the earbud holds the headset securely in your ear 2 Hook the headset on...

Страница 25: ...r the head or behind the neck style 1 Hold both sides of the earbud Twist and pull the earbud until it separates from the earpiece 2 Rotate the ear hook to vertical direction 3 Pull the ear hook until...

Страница 26: ...set 1 With the headset at a vertical angle microphone pointing down insert the headset earpiece into the head band 2 Rotate the headset to a horizontal direction until it holds into place NOTE If you...

Страница 27: ...4 Adjust and rotate the angle of the headset until the microphone is pointing towards your mouth NOTES X X To wear on the other ear rotate the headset within the loop of the ear pad X X Firmly grip t...

Страница 28: ...Getting started 22 Headset attachments To remove the head band from the headset 1 Rotate the headset to vertical direction 2 Pull the headset until it separates from the head band 1 2...

Страница 29: ...headset to the neck band 1 With the headset at a vertical angle microphone pointing down insert the headset earpiece into the neck band 2 Rotate the headset to a horizontal direction until it holds in...

Страница 30: ...Getting started 24 Headset attachments 3 Place the neck band around your neck and over your ears 4 Adjust and rotate the angle of the headset until the microphone is pointing towards your mouth...

Страница 31: ...d 2 Snap the socket of the ear pad into the stem at the left end of the neck band Snap the socket of the supporting pad into the stem at right end of the neck band 3 Follow Steps 1 4 in To attach the...

Страница 32: ...s and hold for four seconds The light flashes red three times You hear three beeps when it is being powered off Prolonged exposure to high volume levels using the headset may damage your hearing Make...

Страница 33: ...adset is not in use Temporary ringer silencing Press MUTE to temporarily silence the ringer in the headset earpiece This silences the ringer without disconnecting the call The next incoming call rings...

Страница 34: ...t for each headset X X When the listening volume reaches the minimum or maximum setting you hear two beeps Mute The mute function turns off the headset microphone You can hear the caller but the calle...

Страница 35: ...l call the other headset can join the call in progress X X To join a call press on the headset X X To end the call press or place the headset in the headset charger The call ends only when all devices...

Страница 36: ...HAM radios and other DECT phones can cause interference with your cordless headset Try installing your telephone base as far away as possible from these types of electronic devices X X You may need t...

Страница 37: ...above X X You may use a telephone on the same line to dial out Once you have dialed the number you can press to join the call X X If other phones in your home or office are having the same problem th...

Страница 38: ...ach other X X Relocate your telephone base to a higher location You may experience better reception by elevating the telephone base X X If other phones in your home or office are having the same probl...

Страница 39: ...roblem the problem is in your wiring or telephone service Contact your telephone service provider charges may apply X X Test a working phone at the phone jack If another phone has the same problem the...

Страница 40: ...or office are having the same problem the problem is in your wiring or telephone service Contact your telephone service provider charges may apply I cannot register the headset X X If you want to regi...

Страница 41: ...ection on pages 48 50 for further instructions Common cure for electronic equipment X X If the unit does not seem to be responding normally try putting the cordless headset in its charger If it does n...

Страница 42: ...storms X X Electrical storms can sometimes cause power surges harmful to electronic equipment For your own safety take caution when using electrical appliances during storms Cleaning your headset X X...

Страница 43: ...aning solvents gasoline vapors etc a leak of natural gas etc Do not use this product near water or when you are wet For example do not use it in a wet basement or shower or next to a swimming pool bat...

Страница 44: ...corded telephones Electrical power The telephone base of this cordless headset must be connected to a working electrical outlet which is not controlled by a wall switch Calls cannot be made from the...

Страница 45: ...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 To prevent fire or shock haz...

Страница 46: ...hone dans une prise de courant et ne devrait pas d poser un casque d coute charg dans son chargeur si le chargeur du casque d coute se trouve dans un environnement comportant une concentration de gaz...

Страница 47: ...222 3111 Au Canada composez le 1 866 288 4268 X X Afin de pr venir les risques d incendie ou d explosion de la pile replacez la pile avec une pile du m me type Jetez les piles puis es en respectant le...

Страница 48: ...ganisme de recyclage RBRCMD sur les piles au lithium ion signifie que le fabricant de cet appareil participe volontairement au programme industriel visant reprendre et recycler ce type de piles lorsqu...

Страница 49: ...nterf rences entre les dispositifs num riques sans fil et les stimulateurs cardiaques implant s dans l organisme Appuy e par l Administration des aliments et drogues FDA des tats unis la firme WTR rec...

Страница 50: ...se contact your telephone service provider This equipment may not be used with party lines If you have specially wired alarm dialing equipment connected to your telephone line ensure the connection of...

Страница 51: ...tions 1 This device may not cause interference 2 This device must accept any interference including interference that may cause undesired operation of the device Privacy of communications may not be e...

Страница 52: ...dealer or an experienced radio TV technician for help WARNING Changes or modifications to this equipment not expressly approved by the party responsible for compliance could void the user s authority...

Страница 53: ...is activated all telephone functions except battery charging will be disabled If you have registered the cordless headset to a SynJ SB67138 telephone or to a compatible AT T DECT telephone please refe...

Страница 54: ...period the manufacturer s authorized service representative will repair or replace at the manufacturer s option without charge a materially defective PRODUCT If the manufacturer repairs the PRODUCT th...

Страница 55: ...6 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 Unite...

Страница 56: ...s limited warranty and you should not rely on any such modification State Provincial Law rights This warranty gives you specific legal rights and you may also have other rights which vary from state t...

Страница 57: ...munications Commission FCC Even so this headset can communicate over a certain distance which can vary with the locations of the telephone base and headset the weather and the construction of your hom...

Страница 58: ...all 26 H Head band 20 22 Headset alert prompts 3 alert tones 3 attachments 16 25 lights 2 operation 26 29 registration 8 13 I Important safety information 37 39 Installation battery 6 charger 7 L Ligh...

Страница 59: ...53 Index Index R Register a headset 8 11 Ringer 27 T Technical specifications 51 Temporary ringer silencing 27 Troubleshooting 30 35 V Volume control listening volume 28 ringer 27...

Страница 60: ...rved AT T and the AT T logo are trademarks of AT T Intellectual Property licensed to Advanced American Telephones San Antonio TX 78219 RBRC and 1 800 8 BATTERY are registered trademarks of the Recharg...

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