User’s manual TL7812 DECT 6.
Congratulations on your purchase of this AT&T product. Unify your everyday business communications with the AT&T TL7812 DECT 6.0 Cordless Headset and Handset Lifter. Whether you want to connect directly to your corded telephone, telephone line or computer, you can with the TL7812 headset. Control costs and support your mobile workforce with connectivity to Voice over IP (VoIP) services like SkypeTM and Microsoft Lync .
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 TL7812 DECT 6.0 cordless headset and handset lifter TL7812 DECT 6.
Parts checklist Five earbuds Two over the ear hooks Over the head band Behind the neck band USB cable Handset ������ lifter Large ���������� lifter���� pad Anti-slip pad Auxiliary ring detector
Optional accessory This headset system can be expanded by registering a TL7800 accessory headset (sold separately) to it. The TL7800 includes an expansion headset and a headset charger (up to two headsets can be used with the same headset base). For more information about the product, visit our website at www.telephones.att.
User’s manual TL7812 DECT 6.0 cordless headset and handset lifter Table of contents Getting started Introduction....................................... 1 Quick reference guide headset............................................ 2 Headset lights.............................. 2 Headset alert tones................... 4 Quick reference guide headset base................................ 5 Headset base lights................... 5 Quick reference guide handset lifter................................
Operation Headset operation.......................37 Power on/off the headset..........................................37 PHONE mode and PC mode.......................................37 PHONE mode.................................38 Make a call..................................38 Answer a call..............................38 End a call......................................39 Headset ringer...........................39 Temporary ringer silencing........................................40 Call waiting..........
Getting started Introduction The TL7812 is a cordless headset and base that allows you to have handsfree phone conversations. The package also comes with the TL7100 handset lifter, making it convenient to answer and end calls right from the headset. It can be used in different ways depending on your needs. Choose from the following three options. Connect your TL7812: • To a traditional corded telephone (pages 15-16).
Getting started Quick reference guide - headset (On/off button and light) Press to make, answer or end a call (pages 38-39). Headset lights light status Red • 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. • Flashes three times to indicate the headset is powering off. Blue • On when a fully charged and registered headset is in the headset base.
Getting started Quick reference guide - headset VOL+/VOLSlide the volume switch to the right or left to adjust the headset ringer volume while in idle mode (page 39), or the listening volume while on a call (page 41). Earpiece FLASH Battery with cover attached Press to answer an incoming call when you receive a call waiting alert during a call (page 40). Remove to replace the battery. Microphone The microphone incorporates noise canceling technology for clearer calls.
Getting started Quick reference guide - headset Headset alert tones One short beep every • The microphone is muted. 30 seconds Two beeps • Error alert tone. • The ringer volume has reached its lowest setting. • The listening volume has reached its highest or lowest setting. • The speaking volume has reached its highest or lowest setting. • Any key is pressed while the headset is out of range. Two low beeps • Call waiting alert tone. Two rapid beeps every 20 seconds • Low battery warning.
Getting started Quick reference guide - headset base Magnetic charging mount PAIR Place the headset here for charging. Use to initiate headset registration or deregistration. MUTE (light) PC (mode button and light) PHONE (mode button and light) Headset base lights MUTE (Red) • On when you are registering a headset. • Flashes when a call is muted. • Flashes when you are deregistering headset(s) from the headset base.
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 41). (USB port) Open the port cover to plug in the USB cable for use with PC mode (pages 17-18). LIFTER This jack is only used to connect an AT&T handset lifter (model TL7100, purchased separately). CORDED HANDSET CONNECTED/ YES/NO Choose the setting based on whether you have connected to a corded handset (page 16, 18 or 20).
Getting started Quick reference guide - headset base CORDED PHONE CONNECTION jack (blue dot) This jack is only used to connect the corded phone connection cable (page 15 or 17). TEL WALL JACK (red dot) POWER jack (green dot) Corded handset audio adjust switch Use this switch to adjust the corded handset audio when you have connected the headset base to a corded telephone (page 21).
Getting started Quick reference guide - handset lifter SENSOR ADJ knob Adjusts the sensitivity of the ring detector (page 27). ADJUST LIFTER knob Adjusts the height of the lifter arm (page 23). Lifter arm Holds the corded telephone handset. Switch hook presser When the CORDED HANDSET CONNECTED switch is set to YES, pressing on the headset raises or lowers the switch hook presser. Lifter control cable RING DETECT jack Plug this cable into the LIFTER jack on the headset base.
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 27). Switch hook presser adjustment knob Adjusts the position of the switch hook presser (page 23). Small lifter pad Holds the earpiece of the corded telephone handset. STATUS light Front view On in red when the ring detector is off (page 10). On in blue when the ring detector is on and the headset is not in use (page 10).
Getting started Quick reference guide - handset lifter STATUS light Red • 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 • On when the headset is not in use and the ring detector is turned on. • Flashes four times every three seconds when the ring detector detects an incoming call. • Flashes slowly when the headset is in use and the ring detector is turned on.
Getting started Installation You must install and charge the battery before using the headset. STOP! See pages 12-13 for easy instructions. 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.
Getting started Battery installation The battery is permanently attached to the battery compartment cover. 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. For optimal performance, charge the headset battery for at least three hours before use. When fully charged, the headset battery provides approximately 12 hours of talk time or 5 days of standby time.
Getting started Headset base installation and battery charging 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. 1. Plug the small end of the headset base power adapter into the POWER jack (green dot) at the back of the headset base. Plug the large end into an electrical outlet not controlled by a wall switch. 2. Insert the headset into the magnetic charging mount. 3.
Getting started Headset base and handset lifter installation Installation options There are three installation options as described below. For Options 1 and 2, the handset 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.
Getting started Headset base and handset lifter installation Option 1: Connect the headset to a corded phone 1. Plug one end of the corded phone connection cable into the CORDED PHONE CONNECTION jack (blue dot) at the back of the headset base. 2. Plug the other end of the corded phone connection cable into the handset jack on the corded phone. 3. Unplug the curly handset cord from the handset jack on the corded phone and plug it into the jack on the corded phone connection cable. 4.
Getting started Headset base and handset lifter installation Option 1: Connect the headset to a corded phone (cont.) 5. Plug the large end of the headset base power adapter into a power outlet not controlled by a wall switch. 6. Plug the end of the lifter control cable into the LIFTER jack at the back of the headset base. 7. Use the attached fastener to bundle all line cords neatly. 8. Make sure the CORDED HANDSET CONNECTED switch on the right side of the headset base is set to YES. 8 9.
Getting started Headset base and handset lifter installation Option 2: Connect the headset to a corded phone and computer 1. Plug one end of the corded phone connection cable into the CORDED PHONE CONNECTION jack (blue dot) at the back of the headset base. 2. Plug the other end of the corded phone connection cable into the handset jack on the corded phone. 3. Unplug the curly handset cord from the handset jack on the corded phone and plug it into the jack on the corded phone connection cable.
Getting started Headset base and handset lifter installation Option 2: Connect the headset to a corded phone and computer (cont.) 4. Plug the small end of the headset base power adapter to the POWER jack (green dot) on the headset base. 5. Plug the large end of the headset base power adapter into a power outlet not controlled by a wall switch. 6. Plug the small end of the USB cable into the USB port labeled on the right side of the headset base. 7.
Getting started Headset base and handset lifter installation Option 2: Connect the headset to a corded phone and computer (cont.) 14. After you have installed the AT&T Softphone Call Manager, check to make sure the audio setting is properly configured in your Windows system. If you have installed Skype and/or Microsoft Lync and want to use them with your headset, make sure the audio settings are configured correctly in the programs as well. a) Audio settings in Windows system: i.
Getting started Headset base and handset lifter installation Option 3: Connect the headset to a telephone wall jack 1. Make sure the CORDED HANDSET CONNECTED switch on the right side of the headset base is set to NO. 2. Connect the line cords as shown below. Use the included line splitter to connect the headset base and your telephone to the same telephone wall jack. • Plug one end of the telephone line cord into the TEL WALL JACK (red dot) at the back of the headset base.
Getting started Headset base and handset lifter installation Adjust the corded handset audio After you have connected the headset base to your corded phone, you may need to adjust the corded handset audio switch at the bottom of the headset base for optimal sound quality. To adjust the corded handset audio: • Lift the corded handset and then press on the headset to check for a dial tone.
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. If there is no speaker, the lifter should be centered within the space. Make sure the lifter arm is raised above the switch hook of the telephone base. 2. Peel off the protective strips from the adhesive tape at the bottom of the lifter. 3.
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. When in the raised position, the arm should release the switch hook so you can hear a dial tone. When lowered, the arm should hold the switch hook down so you cannot hear a dial tone.
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 23). 3. Lower the lifter arm until the switch hook presser holds the switch hook down. 4. Place the corded handset on the lifter. 5. Press on the headset.
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. 2. Insert the large lifter pad into the two front gaps of the small lifter pad.
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. However, if your corded phone speaker is located elsewhere on the phone, stick the auxiliary ring detector to the speaker as shown below. Install the auxiliary ring detector 1.
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. The STATUS light is blue when the ring detector is turned on. The STATUS light is red when the ring detector is turned off. • When the ring detector is turned off, it does not send a ring tone to the headset.
Getting started Headset attachments Earbud There are a total of six earbuds provided. One of them has been attached to the headset. They come in three sizes of which there are two types: one normal and one providing a deeper fit. Follow the steps below to change the 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: 1. Choose an appropriate earbud. 2.
Getting started Headset attachments Over the ear hook There are two ear hooks provided. Choose the size that best fits your need to attach to the headset. Follow the steps below to attach an ear hook to the headset. To position the headset to wear on the left or right ear: • To wear on the left ear: 1. Make sure the ear hook loop is positioned as shown in Figure 1 on the right. 2. Attach the ear hook to the headset as instructed on the next page. Ear hook loop Figure 1 • To wear on the right ear: 1.
Getting started Headset attachments To attach the ear hook to the headset: 1. Make sure there are no headset attachment, except the earbud, connected to the headset. 2. Insert the earpiece into the ear hook loop as shown in Figure 3. 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 the desired ear. Adjust the angle of the headset until the microphone is pointing towards your mouth as shown in Figure 5.
Getting started 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.
Getting started Headset attachments Over the head band To attach the head band to the headset: 1. Make sure there are no headset attachment, except the earbud, connected to the headset. 2. Insert the earpiece into the loop of the ear pad as shown in Figure 6. 3. Push the earpiece into the ear pad until it clicks into place as shown in Figure 7. 4. Adjust the head band to fit your head. Adjust and rotate the angle of the headset until the microphone is pointing towards your mouth as shown in Figure 8.
Getting started 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 pad.
Getting started Headset attachments Behind the neck band By default, the ear pad on the neck band is positioned to be worn on the right ear. To attach the headset to the neck band: 1. Make sure there are no headset attachment, except the earbud, connected to the headset. 2. Insert the earpiece into the loop of the ear pad as shown in Figure 9. 3. Gently press the earpiece inward until it clicks into place as shown in Figure 10. 4. Place the neck band around your neck and over your ears. 5.
Getting started Headset attachments To wear the headset on your left ear: 1. Remove the ear pad and supporting pad from the neck band by carefully pulling them up through the stems at the end of the neck band as shown in Figure 12. Ear pad Supporting pad Figure 12 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 as shown in Figure 13. Figure 13 3.
Getting started Headset attachments 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.
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. The light flashes blue three times and you hear three beeps when it is being powered on. Power off the headset if it will not be used for a long time. To power off the headset: • Press and hold for four seconds. The light flashes red three times and you hear three beeps when it is being powered off.
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. Press on the headset. The switch hook presser rises and releases the switch hook. You hear a dial tone in the headset earpiece. 2. Dial the telephone number using the dialing keys. When the headset base is connected to a telephone wall jack: 1.
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: • Press on the headset or place the headset in the headset base. Headset ringer The headset base and headset do not have external ringers. When you receive calls, the headset earpiece rings.
Operation PHONE mode 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 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. Pressing MUTE/FLASH on one headset only silences the ringer of that headset.
Operation Options while on calls Volume control To adjust the listening volume: • While on a call, slide the volume switch at the top of the headset towards VOL+ or VOL- to adjust the listening volume. To adjust the speaking volume: • While on a call, press VOLUME /MICROPHONE on the right side of the headset base to adjust the speaking volume. NOTES: • Listening volume settings are independent for each headset, but the speaking volume is shared by all registered headsets.
Operation Options while on calls Mute The mute function turns 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 microphone. The voice prompt "Mute on" plays. The MUTE light on the headset base flashes and a short beep plays every 30 seconds. To take a call off mute: • Press MUTE on the headset to resume the two-way conversation. You hear the voice prompt "Mute off".
Operation Options while on calls Switching 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. Once selected, the PHONE mode light or the PC mode light flashes twice every three seconds to indicate that line is on hold. When you have two registered headsets in use at the same time, you can still change the mode by pressing the corresponding mode button on the headset base.
Getting started Adding and registering headsets The TL7812 supports up to two cordless headsets. The headset provided with your TL7812 is already registered. You can add a new headset (TL7800, purchased separately) to the headset base. You must register a new headset with the headset base before use (see page 45). You can only register one headset to the headset base at a time. You must deregister the headset from the headset base (see page 46) before registering it to another headset base.
Getting started Adding and registering headsets Register a headset to the headset base 1. Make sure the battery is properly installed in the headset (see page 12). The light flashes slowly in red and blue to indicate the headset is not registered. 2. Place the headset in the headset base and allow it to charge for at least one hour before beginning registration. 3. Remove the headset from the headset base. 4.
Getting started Deregistering headsets You may need to deregister your headsets if: You wish to register your headset to a different headset base. -ORYou 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. Please read carefully through all the instructions on this page before beginning the deregistration process. Deregister all headsets from the headset base 1.
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/smb or call 1 (800) 222–3111. In Canada, dial 1 (866) 288-4268. My headset doesn’t work at all. • Make sure the power cord is securely plugged in. • Make sure that the battery is securely installed in the cordless headset. • Make sure the telephone line cord is securely and firmly plugged into the headset base and the telephone wall jack.
Appendix Troubleshooting There is no dial tone. • Try all the suggestions above. • Move the cordless headset closer to the headset base. You might have moved out of range. • Make sure that the CORDED HANDSET CONNECTED switch is set properly (page 16, 18 or 20). • Your telephone line cord may be defective. Install a new telephone line cord. • Another phone on the same phone line may be in use.
Appendix Troubleshooting I cannot dial out. • Try all the suggestions above. • You must use a telephone on the same line to dial out. Once you have dialed the number, you can press to join the call (page 38). • 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). My cordless headset isn’t performing normally. • Make sure the power cord is securely plugged into the headset base.
Appendix Troubleshooting I get noise, static, or a weak signal even when I’m near the headset base. • If you subscribe to high-speed Internet service (DSL - digital subscriber line) through your telephone line, you must install a DSL filter between the telephone line cord and the telephone wall jack. The filter prevents noise and caller ID problems caused by DSL interference. Contact your DSL service provider for more information about DSL filters.
Appendix Troubleshooting I cannot hear a ring tone from the headset when there is an incoming call. • The headset does not have an external ringer. You can only hear the ring tone when you are wearing the earpiece. • If you have pressed MUTE on the headset when it is ringing, it mutes the ring tone of the headset. The ring tone resumes on the next call. • You may have too many extension phones on your telephone line to allow all of them to ring simultaneously. Try unplugging some of the other phones.
Appendix Troubleshooting I hear other calls while using my headset. • Plug a different telephone into the telephone jack that you are currently using. If you still hear other calls, the problem is probably in your building's wiring or local service. Call your telephone service provider. I cannot hear any audio using my headset 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.
Appendix Troubleshooting I want to use my headset with a different headset base. • You need to deregister the headset from the current headset base (page 46), and then register it to the new headset base (page 45). I cannot answer an incoming call in PC mode. • Your headset cannot directly answer a call to your computer. You must answer all incoming calls on your computer through your VoIP program. • Make sure PC mode is selected on the headset base and the PC light is on.
Appendix Troubleshooting The light on the headset is off while charging. • Make sure the power and line cords are plugged in correctly and securely. • Make sure that the battery is securely installed in the cordless headset. • Make sure the headset is sitting properly in the base to charge. • Unplug the unit’s electrical power. Wait for 15 seconds, then plug it back in. Allow up to one minute for the cordless headset and headset base to reset.
Appendix Troubleshooting When I press on the headset, the handset lifter rises, but the call is not connected or I do not hear a dial tone. • Try all the suggestions above. • When using the handset lifter, make sure the CORDED HANDSET CONNECTED switch on the headset base is set to YES and the telephone line cord is connected to the telephone line jack on the back of the corded phone. • The handset lifter may not rise high enough to release the switch hook.
Appendix Troubleshooting My corded phone is ringing, but my headset is not ringing. • Make sure the CORDED HANDSET CONNECTED switch on the headset base is set to YES. • Make sure that the RING ON/OFF button on the lifter is turned on. If the RING ON/OFF button is turned off, the headset does not ring. • If the speaker of your corded phone is not located under the lifter, install the auxiliary ring detector. See page 26 for instructions. • It may be necessary to adjust the sensitivity of the ring detector.
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. My headset is ringing even when there is no incoming call. • The sensitivity level of your ring detector may be too high. See page 27 to adjust the sensitivity level.
Appendix Maintenance Taking care of your headset • Your cordless headset contains sophisticated electronic parts, so it must be treated with care. • Avoid rough treatment. • Place the headset down gently. Save the original packing materials to protect your headset if you ever need to ship it. Avoid water • Your headset can be damaged if it gets wet. Do not use the headset outdoors in the rain, or handle it with wet hands. Do not install the headset base near a sink, bathtub or shower.
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 • Read and understand all instructions in the user’s manual. Observe all markings on the product. • Avoid using a headset during a thunderstorm. There may be a slight chance of electric shock from lightning.
Appendix Important safety information Caution: Use only the power adapter provided with this product. To obtain a replacement, visit our website at www.telephones.att.com/smb or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. Especially about cordless headsets • Privacy: The same features that make a cordless headset convenient create some limitations.
Appendix Important safety information CAUTION • There may be a risk of explosion if you use a wrong type of battery. Use only the supplied rechargeable battery or replacement battery (model BT191665). • Change this product's batteries only in accordance with the instructions and limitations specified in this manual. • As with any batteries, do not allow conductive materials such as rings, bracelets or keys to come in contact with the metallic parts of the battery.
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. This identifier must be provided to your telephone service provider upon request.
Appendix FCC Part 68 and ACTA If this product is equipped with a corded or cordless handset, it is hearing aid compatible. If this product has memory dialing locations, you may choose to store emergency telephone numbers (e.g. police, fire, medical) in these locations. If you do store or test emergency numbers, please: Remain on the line and briefly explain the reason for the call before hanging up. Perform such activities in off-peak hours, such as early morning or late evening.
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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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/smb or call 1 (800) 222-3111. In Canada, call 1 (866) 288-4268. 1.
Appendix Limited warranty 4.
Appendix Limited warranty 6. What must you return with the PRODUCT to get warranty service? You must: a. Return the entire original package and contents including the PRODUCT to the service location along with a description of the malfunction or difficulty; and b. Include a “valid proof of purchase” (sales receipt) identifying the PRODUCT purchased (PRODUCT model) and the date of purchase or receipt; and c. Provide your name, complete and correct mailing address, and telephone number. 7.
Appendix Technical specifications RF frequency band 1921.536MHz - 1928.448MHz Channels 5 Operating temperature 32°F - 122°F 0°C - 50°C Headset base voltage (AC voltage, 60Hz) 96Vrms - 127Vrms Headset base voltage (AC adapter output) 6VDC @300mA 7VDC @300mA Headset voltage 3.2VDC - 4.2VDC Replacement battery 3.7V 240mAH DECT 6.0 digital technology Digital Enhanced Cordless Telecommunications (DECT) 6.0 is a new frequency band that transmits your voice across multiple channels.
Index Index A AC adapter 13, 16, 18, 68 Adjust corded handset audio 21 height of the lifter arm 23 sensitivity level 27 switch hook presser position 23 Alert tones 4 Answer a call in PHONE mode 38 Anti-slip pad 25 Attach lifter 22 Auxiliary ring detector installation 26 sensitivity adjust 27 D Deregistration 46 Dial tone 23, 24, 38 DSL 11, 15, 17, 20 E Earbud 28 Ear hook 29–31 End a call 39 H Head band 32–33 Headset alert tones 4 attachments 28–36 lights 2 operation 37–43 registration 44–45 ringer 39 Head
Index Index S Sensitivity level 27 Small lifter pad 25 Speaking volume 41 Status light 10 Switch hook presser 23 Limited warranty 65–67 Listening volume 41 M Magnetic charging mount 5, 13 Maintenance 58 Multiple headsets use 42 Mute 42 T Technical specifications 68 Temporary ringer silencing 40 Troubleshooting 47–57 N Neck band 34–36 U USB port 6, 18 O Operating range 68 Over the ear hook 29–31 Over the head band 32–33 V Volume control listening volume 39, 41 ringer 39 speaking volume 41 P Power off
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