User’s manual
CL80111
DECT 6.0 expansion handset
for use with AT&T models
CL83101/CL83201/CL83251/CL83301/
CL83351/CL83401/CL83451/CL83551/
CL84102/CL84152/CL84202/CL84252/
CL84342/CL84352
Table of contents
Getting started
Installation .......................................1
Quick reference guide - 
   handset .........................................2
Charger installation .....................5
Battery installation and 
   charging .......................................6
Registration and  
deregistration
Adding and registering 
   handsets .......................................8
Register a handset to 
your CL83101/CL83201/
CL83251/CL83301/
CL83351/CL83401/
CL83451/CL83551 
telephone base  ........................8
Register a handset to 
your CL84102/CL84152/
CL84202/CL84252/
CL84342/CL84352  
telephone base ...................... 10
Deregistering handsets ..........11
Deregister all handsets 
from your telephone 
base .............................................. 11
Appendix
Troubleshooting ......................... 12
Maintenance.................................20
Important safety 
   information .............................. 21
Safety information................. 21
Especially about cordless 
telephones ................................22
Precautions for users of 
implanted cardiac 
pacemakers .............................. 23
Pacemaker patients .............. 23
Especially about telephone 
answering systems ............... 23
For C-UL compliance ............... 24
Mesures de sécurité 
importantes .............................. 24
FCC Part 68 and ACTA............ 28
FCC Part 15 .................................. 30
California Energy Commission 
battery charging testing 
instructions ............................... 31
Limited warranty ........................ 32
Technical specifications ......... 35
DECT 6.0 digital 
technology ................................ 35
Telephone operating 
range ............................................ 35
Redefining long range 
coverage and clarity ............ 35
HD audio .................................... 35