AT&T TL7700 user manual Important safety information

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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 telephone base of the cordless headset near or on top of a TV or VCR. If interference is experienced, moving the cordless headset farther away from the TV or VCR will often reduce or eliminate the interference.

•Rechargeable batteries: This product contains lithium-ion rechargeable batteries. Exercise care in handling batteries in order not to create a short circuit with conductive material such as rings, bracelets and keys. The battery or conductor may overheat and cause harm. Observe proper polarity between the battery and the battery charger.

•Lithium-ion rechargeable batteries: Dispose of these batteries in a safe manner. Do not burn or puncture. Like other batteries of this type, if burned or punctured, they could release caustic material which could cause injury.

The RBRC™ Seal means that the manufacturer is voluntarily participating in an industry program to collect and recycle lithium-ion rechargeable batteries when taken out of service within the United States. These batteries may be taken to a participating local retailer of replacement batteries or recycling center. Or you may call 1-800-8-BATTERY for locations accepting spent Li-ion batteries.

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. The battery or conductor may overheat and cause harm.

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Contents User’s manual Congratulations Parts checklist Table of contents Quick reference guide headset Headset lightsVOL+/VOL Headset alert tones Quick reference guide headset charger Installation Avoid placing the telephone base too close toBattery installation Battery charging and connecting charger power Add and register headsets Register a headset to an AT&T Dect cordless telephone base You may need to deregister your headsets if Replace a headsetHeadset attachments EarbudTo remove the earbud from the headset earpiece To attach the earbud to the headset earpieceTo adjust the headset to wear on the left or right ear Over-the-ear hookTo attach the ear hook to the headset To remove the ear hook from the headset Over-the-head band To attach the head band to the headset To remove the head band from the headset Behind-the-neck band To attach the neck band to the headset To remove the neck band from the headset Troubleshooting My headset doesn’t work at allOther party cannot hear my voice during a call There is no dial toneMy cordless headset isn’t performing normally Battery does not chargeCannot dial out Troubleshooting Troubleshooting Want to use my headset with a different telephone base Hear other calls while using my headsetMy calls cut in and out while I’m using my cordless headset Cannot register the headset Light on the headset is off while chargingCommon cure for electronic equipment Important safety information Important safety information Important safety information Precautions for users of implanted cardiac pacemakers Pacemaker patientsMaintenance Cleaning your headsetTaking care of your headset Avoid waterFCC Part 68 and Acta Industry Canada FCC Part Limited warranty What does this limited warranty cover?How long is the limited warranty period? How do you get warranty service? Other limitations Technical specifications Dect 6.0 digital technology
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