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Operation

Operating time*

Talk time (cordless handset)

Up to seven hours

Talk time (cordless handset speakerphone)

Up to five hours

Standby

Up to seven days

* Operating times vary depending on your actual use and the age of the battery.

DECT 6.0 digital technology

Digital Enhanced Cordless Telecommunications (DECT) .0 is a 
new frequency band that transmits your voice across multiple 
channels. This technology provides superior quality of voice and 
sound, high protection against wiretapping and excellent range, 
while not interfering with wireless routers.

Telephone operating range

This cordless telephone operates within the maximum power 
allowed by the Federal Communications Commission (FCC). Even 
so, this handset and telephone base can communicate over only 
a certain distance — which can vary with the locations of the 
telephone base and handset, the weather, and the construction 
of your home or office.

Appendix

Technical specifications

RF frequency band

1921.53MHz - 1928.448MHz

Channels

5

Operating temperature

32°F - 122°F
0°C - 50°C

Handset voltage

2.4 VDC, AAA x 2, Ni-MH battery

Charger voltage
(AC adapter output)

VAC @300mA

Summary of Contents for SB8740

Page 1: ...User s manual SB8740 Accessory cordless handset for use with AT T model SB8735 BC...

Page 2: ...Place of purchase Both the model and serial numbers of your AT T product can be found on the bottom of the telephone base Save your sales receipt and original packaging in case it is necessary to ret...

Page 3: ...warranty service is necessary Cordless handset SB8740 User s manual SB8740 Quick start guide Charger for cordless handset with power adapter installed Battery for cordless handset Battery compartment...

Page 4: ...ch as television sets VCRs or other cordless telephones Excessive heat sources Noise sources such as a window with traffic outside motors microwave ovens refrigerators or fluorescent lighting Excessiv...

Page 5: ...d above the key MUTE During a call press to mute the microphone TALK Press to make or answer a call HOLD Press to hold a call REDIAL PAUSE Press to view the last 10 numbers dialed SPEAKER Press to tur...

Page 6: ...e an entry or setting OFF During a call press to hang up CANCEL While using menus press to return to idle mode VOL CID Press to scroll down while in menus During a call press to decrease the listening...

Page 7: ...Getting started Quick reference guide Belt clip...

Page 8: ...ower adapter supplied with this product To order a replacement power adapter visit our website at www telephones att com or call 1 800 222 3111 In Canada dial 1 866 288 4268 The power adapter is inten...

Page 9: ...t enough charge to use the telephone for a short time When the battery is low the handset shows Low battery and a flashing Battery indicators Battery status Action The screen is blank or shows Place i...

Page 10: ...into place Charge the handset by placing it face forward in the charger The charge light is on when charging 1 2 3 Install the battery as shown below The charge light IMPORTANT INFORMATION Use only th...

Page 11: ...mark the desired positions of the two holes on the wall make sure the space between the two holes is 30mm Drill two holes in the wall according to the marks Cut out the wall mount installation card at...

Page 12: ...n Insert the screws not provided into the holes and tighten them until only 1 4 inch of the screws are exposed 3 Align the holes at the back of the charger with the screws on the wall and slide the ch...

Page 13: ...parately For best results use an AT T 2 5mm corded headset To purchase a corded headset visit our website at www telephones att com or call 1 800 222 3111 In Canada dial 1 866 288 4268 Getting started...

Page 14: ...al storms can sometimes cause power surges harmful to electronic equipment For your own safety take caution when using electric appliances during storms Cleaning your telephone Your cordless telephone...

Page 15: ...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 kitchen sink or laundry t...

Page 16: ...telephone near or on top of a TV or VCR If interference is experienced moving the cordless telephone farther away from the TV or VCR will often reduce or eliminate the interference Rechargeable batter...

Page 17: ...lephones directly over the pacemaker such as in a breast pocket when it is turned ON Should use the wireless telephone at the ear opposite the pacemaker WTR s evaluation did not identify any risk to b...

Page 18: ...e handset successfully enters the energy saving charging mode the CHARGE light turns off and its screen displays At the base starts handset registration Then put HS on cradle to register To deactivate...

Page 19: ...information please contact your telephone service provider This equipment may not be used with Party Lines If you have specially wired alarm dialing equipment connected to telephone line ensure the co...

Page 20: ...e 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 o...

Page 21: ...the party responsible for compliance could void the user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1...

Page 22: ...uthorized service representative will repair or replace at the manufacturer s option without charge a materially defective PRODUCT If the manufacturer repairs the PRODUCT they may use new or refurbish...

Page 23: ...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 A...

Page 24: ...nd 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 state or province...

Page 25: ...tection against wiretapping and excellent range while not interfering with wireless routers Telephone operating range This cordless telephone operates within the maximum power allowed by the Federal C...

Page 26: ...n 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 Printed in China Issue 1 AT T 03 13 w...

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