Technical specifications, 32F 122F, 0C 50C

91-005677-041-000.ATT1477.qxd 2/13/1950 7:21 PM Page 43

Appendix

Technical specifications

RF Frequency Band	912.75MHz — 917.10MHz
(Handset to Base)

RF Frequency Band	2410.2MHz — 2418.9MHz
(Base to Handset)

Channels	30

Modulation	FM

Operating Temperature	32°F — 122°F
	0°C – 50°C

Base Unit Voltage	108 — 132 Vrms
(AC Voltage, 60Hz)

Base Unit Voltage	9 Vdc @600 mA
(AC Adapter Output)

Handset Voltage	3.1 — 4.2 Vdc @400 mAh

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AT&T 1177 user manual Technical specifications, 32F 122F, 0C 50C

Contents

GHz Cordless Speakerphone/ Answering System 1477/1177 See GHz Cordless Speakerphone/ Answering System 1477/1177 Table of contents Quick reference guide Using the dial pad to enter letters see Press to view or set date and time Press to change a menu optionPress to turn answering system on or off Press to delete message currently playing Parts checklist Before you begin About Caller IdentificationTelephone operating range Telephone base installation Low battery indicator Battery installation & charging Wall mounting Belt clip & optional headset Install belt clip as shown below if desired Customizing your telephone Default settingSet date and time Press @PROG/CHAN to begin programming Default setting Tone Choose dial modeDefault setting ENG Choose language Handset calls Making and answering callsBase Speakerphone calls Speed dialing & directory dialing Way conference calls Caller ID Handset Only Options while on callsCall waiting Ring silencing Handset Only Mute Base Only To adjust listening volumeIf sound is unclear Handset Only Temporary tone dialing Handset locator Handset locator & intercomIntercom calls Hold paging for 3-way conference calls Directory dialing handset Error tonesSpeed dialing handset Speed dialingbase Speed dialing To enter a Speed Dial number BaseHandset Select to change or delete the number see To call, change or delete a Speed Dial number Entering names into directory To browse through the directory Directory name searchTo search alphabetically To call a displayed number To move a listing To move, edit or delete a listingTo edit a listing To delete a listing Display screen messages How Caller ID worksHas called more than once Date of call Time of call Call number To review your call log To review your call logTo return a call Other options To dial a call log entry Dialing optionsExample To delete call log entries To delete a single call log entryTo delete all call log entries To add entries to phone directory Call counter Message capacity To set day and time Day and time announcementsTo check day and time @CHANGE Twice To record your outgoing announcement Outgoing announcementsTo delete your outgoing announcement @REC To turn Announce Only on or off Announce Only mode Feature options Changing feature options Announcements Message playbackOptions during playback To delete all messages Recording and playing memos To record a memoTo play back a memo Message window displays Message window displays Remote access Screen display messages Display screen messages, lights and tones Alert tones Indicator lights Not work at all Case of difficulty Messages You need to reset the answering system clock see Index Index Technical specifications 32F 122F0C 50C Action Remote Command Remote access wallet card 91-005677-041-000.ATT1477.qxd 2/13/1950 721 PM

Technical specifications

32°F — 122°F

0°C – 50°C