AT&T SB67148 user manual Backup battery charging, Low battery

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Getting started

Backup battery charging

When the deskset loses power with the backup battery installed, the screen indicates the battery status (see table below) and displays Check AC power. When the backup battery is in low battery mode, the screen displays

Low battery. The backup battery is fully charged after 16 hours of continuous charging. See the table on page 82 for battery operating times.

The following table summarizes the battery charge indicators and actions to take.

Battery indicators		Battery status	Action
The screen shows		Battery has enough	Charge without
Low battery and		charge to be used for a	interruption at least one
flashes.		short time.	hour.

The screen		Battery is fully charged.	Keep the backup
shows	.		battery in the battery
			compartment to
			recharge.

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Contents User’s manual Congratulations Parts checklist Table of contents Index Quick reference guide HoldFlash Using menus To write names on the directory cardMain menu Installation Avoid placing the deskset too close toDeskset installation Install the deskset as shown belowBackup battery installation Backup battery charging Low batteryAdd and register a deskset Register the deskset to your SynJ SB67118 telephone baseSB67118 SB67148Register the deskset to your SynJ SB67138 telephone base Registering new deviceSB67138 Deregister a deskset Deregister a deskset Add a corded headset Add a corded headset to the desksetDeskset setup Menu settingsRinger volume Ringer tone LCD contrast Key toneLanguage Line selectionLine, choose Line 1, Line 2, Line 3 or Line Deskset name Hold reminderSpeed dial setup To enter, edit or delete a speed dial numberCustomer support Line indicators Make a call To make a call using the corded handsetDeskset basic operation To predial using the speakerphone To predial using the corded headsetAnswer a call To answer a call using the corded handset End a call To end a call using the corded handsetDial a speed dial number Speaker or HeadsetPage To save a redialed number in the directory To delete a redialed numberOptions while on calls To enable call privacy To cancel call privacyCall privacy Record a call To record a callTo play back a memo or phone conversation Switch among lines HoldJoin a call in progress To access the directory while on a call Chain dialingThree-way conference calls To make a three-way conference callTo talk privately on the intercom call To drop one lineTo drop the intercom call To end a conference callTurn off the Covm feature Intercom Make an intercom callBase or Calling All Answer an incoming call during an intercom call Answer an intercom callCall transfer using intercom Call XDesksetCall transfer using intercom Push to talk PTT intercom PTT to the main telephone base or a system devicePTT to all devices PTT to All Release PTT key to stopAnswer a PTT call Convert a PTT call to an intercom callEnd a PTT call About the directory CapacityExit the directory Create directory entries Create a new directory entryStore a pause in a directory entry Store a flash in a directory entryNumber KeyReview directory Review directory entriesSearch directory Search by nameDial, delete or edit directory entries Display dialDelete an entry Delete all entriesAbout caller ID Information about caller ID with call waitingCaller ID Information How the caller ID information call log worksScreen display of the deskset Missed new calls indicator Caller ID operationMemory match Review the caller ID informationView dialing options Dial a call log entryDelete the call log entries To delete a call log entry To delete all call log entriesWhen the telephone number appears Save a call log entry to the directoryReasons for missing caller ID information Reasons for missing caller ID informationScreen message Reason Deskset voicemail box answering system Answering system and voicemailSet the answering system to answer automatically General mailboxAuto attendant Answering system capacityDeskset mailbox setup Fast answer modeDeskset mailbox overview New message indicationSet access code remote access code and mailbox security Notify alert To set an alert numberTo turn alert on or off To confirm the call alert number set correctly Deskset announcement setup To play the default announcementMessage playback To play new messages in the deskset mailboxTo play all old messages in the deskset mailbox To play new messages in the general mailboxWhen a message is playing on the deskset Options during playbackTransfer messages Call back to the mailbox message caller Delete all old messagesTo delete all old messages in the deskset mailbox To delete all old messages in the general mailboxRecord and deliver memos System announces, Enter the mailbox numberRemote access Remote commandsTo remotely reach the answering system Remote access Screen icons, indicator tones and lights Indicator tonesScreen icons Indicator lights Line 1-LINEDeskset display screen messages MuteStart Handset X . Release PTT to stopTroubleshooting My deskset doesn’t work at allCannot get a dial tone from the corded handset Cannot dial outBackup battery does not hold a charge Experience poor sound quality when using the speakerphoneMy deskset isn’t performing normally Hear other calls while using my telephone My deskset does not ring when I receive a call My calls cut in and out while I’m using my deskset My caller ID isn’t workingTelephone system does not receive caller ID when on a call Answering system is recording incomplete messagesHave difficulty hearing messages System does not respond to remote commands Answering system does not record messagesCovm shows on the screen display and I do not know why Cannot retrieve voicemail messages Common cure for electronic equipmentPage Important safety information Safety informationPrecautions for users of implanted cardiac pacemakers Especially about cordless telephonesPacemaker patients Especially about telephone answering systemsFCC part 68 and Acta Industry CanadaFCC part Limited warranty What does this limited warranty cover?How long is the limited warranty period? How do you get warranty service? Other limitationsTechnical specifications Backup batteryDect 6.0 digital technology Telephone operating rangeIndex Index Remote access wallet card Action Remote command