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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.

Cordless headset 
with earbud attached

Headset charger

Battery with battery 
compartment cover attached

User's manual

User’s manual 

TL7900
DECT 6.0 cordless headset    

Five earbuds

Behind the neck band

Headset charger 
power adapter

Quick start guide

Quick start guide

TL7900
DECT 6.0 cordless headset    

Three over the ear hooks

Two over the head bands

Summary of Contents for TL7900

Page 1: ...User s manual TL7900 DECT 6 0 accessory cordless headset...

Page 2: ...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 35 37 of this manual Please thoroughly read this user...

Page 3: ...rn this product for warranty service Telephones identified with this logo have reduced noise and interference when used with most T coil equipped hearing aids and cochlear implants The TIA 1083 Compli...

Page 4: ...e is necessary Cordless headset with earbud attached Headset charger Battery with battery compartment cover attached User s manual User s manual TL7900 DECT 6 0 cordless headset Five earbuds Behind th...

Page 5: ...0 Deregistering headset 12 Deregister all headsets from the TL7910 TL7912 headset base 12 Deregister all headsets from an AT T DECT cordless telephone base 13 Headset attachments 14 Earbud 14 Over the...

Page 6: ...37 For C UL compliance 38 Mesures de s curit importantes 38 FCC Part 68 and ACTA 42 FCC Part 15 44 California Energy Commission battery charging testing instructions 45 Limited warranty 46 Technical...

Page 7: ...e every three seconds when the headset is in use Flashes four times every four seconds when there is an incoming call Flashes every 10 seconds when a fully charged and registered headset in idle mode...

Page 8: ...gy for clearer calls FLASH Press to answer an incoming call when you receive a call waiting alert during a call page 25 Battery with cover attached Remove to replace the battery page 6 MUTE VOICE Pres...

Page 9: ...wnloads to download it One short beep every 30 seconds The microphone is muted Two beeps Error alert tone The ringer volume has reached its lowest setting The listening volume has reached its highest...

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

Page 11: ...l 1 866 288 4268 Avoid placing the telephone base too close to Communication devices such as television sets VCRs or other cordless telephones Excessive heat sources Noise sources such as a window wit...

Page 12: ...When fully charged the headset battery provides approximately 12 hours of talk time or 5 days of standby time When the headset is not in When the headset is not in use recharge it by returning it to...

Page 13: ...l BT191665 To order visit our website at www telephones att com or call 1 800 222 3111 In Canada dial 1 866 288 4268 The magnet holds the top of the headset in place The light turns on 3 Plug the smal...

Page 14: ...m headsets for a list of compatible 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 maxim...

Page 15: ...t headset base turns on release the button Return the headset to the headset charger for registration The light flashes quickly in red and blue It takes about 60 seconds to complete the registration p...

Page 16: ...rom the charger On the telephone base of the cordless phone 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 telepho...

Page 17: ...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...

Page 18: ...se Press and hold the PAIR button on the headset base at least 10 seconds until the MUTE light on the headset base turns on and starts to flash then release the PAIR button Immediately press and relea...

Page 19: ...D HS button Press and hold the FLASH button until the screen displays Deregister all handsets then release the button Press YES softkey OR Press and hold the LOCATOR button until the screen displays R...

Page 20: ...earbud To remove the earbud from the headset earpiece Hold both sides of the earbud Twist and pull the earbud until it separates from the earpiece To attach the earbud to the headset earpiece Choose a...

Page 21: ...teps as mentioned below to attach an ear hook to the headset To position the headset to wear on the left or right ear Make sure the ear hook loop is positioned as shown in Figure 1 on the right Attach...

Page 22: ...eadset Insert the earpiece into the ear hook loop as shown in Figure 3 Press the edge of the ear hook loop towards the earpiece until it clicks into place as shown in Figure 4 4 Hook the headset onto...

Page 23: ...Getting started 17 Headset attachments To remove the ear hook from the headset Hold the headset with one hand Twist and pull the ear hook with the other hand until it separates from the earpiece...

Page 24: ...bud connected to the headset Insert the earpiece into the loop of the ear pad as shown in Figure 6 Push the earpiece into the ear pad until it clicks into place as shown in Figure 7 Adjust the head ba...

Page 25: ...ng started 19 Headset attachments To remove the head band from the headset Hold the headset with one hand and the ear pad with the other hand Twist and pull the headset until it separates from the ear...

Page 26: ...e headset Insert the earpiece into the loop of the ear pad as shown in Figure 9 Gently press the earpiece inward until it clicks into place as shown in Figure 10 Place the neck band around your neck a...

Page 27: ...e end of the neck band as shown in Figure 12 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...

Page 28: ...ng started 22 To remove the neck band from the headset Hold the headset with one hand and the ear pad with the other hand Twist and pull the headset until it separates from the ear pad Headset attachm...

Page 29: ...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 a...

Page 30: ...he Installation and Operation Guide It is available in the CD ROM which comes with the TL7910 TL7912 package or the web site stated as mentioned above Headset ringer The headset charger and headset do...

Page 31: ...feature refer to the Installation and Operation Guide It is available in the CD ROM which comes with the TL7910 TL7912 package or the web site stated as mentioned above Temporary ringer silencing Pre...

Page 32: ...stening 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 caller cannot hear you To mute a call P...

Page 33: ...n an external call the other headset can join the call in progress To join a call press on the headset To end the call press or place the headset in the headset charger The call ends only when all dev...

Page 34: ...ECT phones can cause interference with your cordless headset Try installing your headset base or telephone base as far away as possible from these types of electronic devices You may need to purchase...

Page 35: ...se a telephone on the same line to dial out Once you have dialed the number you can press to join the call If other phones in your home or office are having the same problem the problem is in your wir...

Page 36: ...adset is located near a modem move your headset and modem further apart from each other Relocate your headset base or telephone base to a higher location You may experience better reception by elevati...

Page 37: ...hone line cord If other phones in your home or office are having the same problem the problem is in your wiring or telephone service Contact your telephone service provider charges may apply Test a wo...

Page 38: ...ave better reception when not installed in a low area If other phones in your home or office are having the same problem the problem is in your wiring or telephone service Contact your telephone servi...

Page 39: ...eadset or headset charger might be defective Refer to the Limited warranty section on pages 46 48 for further instructions Common cure for electronic equipment If the unit does not seem to be respondi...

Page 40: ...torms 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 Your head...

Page 41: ...g 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 bathtub...

Page 42: ...hose on 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 fr...

Page 43: ...se of the batteries in a fire Check with local waste management codes for special disposal instructions To prevent fire or shock hazard do not expose this product to water or any type of moisture Obse...

Page 44: ...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...

Page 45: ...8 4268 N utilisez que la pile de rechargeable incluse ou une pile de rechange mod le BT191665 Pour commander visitez notre site Web www telephones att com ou composez le 1 800 222 3111 Au Canada compo...

Page 46: ...us br ler Respectez la polarit ad quate entre les piles et le chargeur de piles Piles rechargeables au lithium ion Jetez ces piles de mani re s curitaire N incin rez pas et ne peercez pas les piles Co...

Page 47: ...t s dans l organisme Stimulateurs cardiaques ne s applique qu aux dispositifs num riques sans fil L organisme Wireless Technology Research LLC WTR une firme de recherche ind pendante a men une valuati...

Page 48: ...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...

Page 49: ...mful interference and 2 this device must accept any interference received including interference that may cause undesired operation Privacy of communications may not be ensured when using this telepho...

Page 50: ...nt from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes or modifications to this equipment not expressly approved by the party respons...

Page 51: ...headset base starts flashing release PAIR and then press it again within two seconds The process takes up to one minute to complete When the headset successfully enters the CEC battery charging testi...

Page 52: ...eriod 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 the...

Page 53: ...item 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...

Page 54: ...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 to...

Page 55: ...al Communications Commission FCC Even so this headset and headset base can communicate over a certain distance which can vary with the locations of the headset base and headset the weather and the con...

Page 56: ...17 End a call 23 H Head band 18 19 Headset alert tones 3 attachments 14 22 lights 1 operation 23 26 registration 8 14 I Installation battery 6 charger 7 L Lights 1 Limited warranty 46 48 Listening vol...

Page 57: ...51 Index Index R Register a headset 8 11 Ringer 24 T Technical specifications 49 Temporary ringer silencing 25 Troubleshooting 28 33 V Voice command 24 Volume control listening volume 26 ringer 24...

Page 58: ...ved 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 Recharge...

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