AT&T TL96457 User Manual page 7

Appendix
Add and register handsets/
headsets/speakerphones ................... 161
Register a handset to your
telephone base ..................................... 161
Deregister handsets ................................163
Deregister all handsets from
the telephone base ............................163
Screen icons ................................................. 164
Handset screen icons ...................... 164
Telephone base screen icons......165
Alert tones .....................................................166
Handset alert tones ..........................166
Telephone base alert tones .........167
Lights .................................................................168
Handset indicator lights .................168
Telephone base indicator
lights ............................................................168
Screen messages ......................................169
Troubleshooting......................................... 175
Maintenance .................................................192
Important safety information ..........193
Safety information .............................193
Especially about cordless
telephones .............................................. 194
Precautions for users of
implanted cardiac
pacemakers ............................................195
ECO mode ................................................195
Especially about telephone
answering systems ............................195
FCC Part 68 and ACTA ............................196
FCC Part 15 ..................................................... 197
California Energy Commission
battery charging testing
instructions ...................................................198
Limited warranty .......................................199
Technical specifications ........................201
DECT 6.0 digital technology .........201
Telephone operating range .........201
Redefining long range coverage
and clarity .................................................201
HD audio ....................................................201
Simulated full-duplex handset
and base speakerphones ..............201
Index
Index .................................................................. 202