VTech IS7121_-2-22 Manual User Manual
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Table of contents
Appendix ....................................85
Expand your telephone system ........85
Add and register a handset ..............85
Add and register a doorbell ..............86
Deregister handsets and doorbells ...87
Screen messages .............................88
Handset and telephone base
indicators .......................................90
Battery ..............................................91
Troubleshooting ................................92
Important safety instructions...........102
Precautions for users of
implanted cardiac pacemakers ...103
Operating range..............................103
ECO mode ......................................103
Energy-saving charging mode ........104
Maintenance ...................................104
About cordless telephones .............105
The RBRC
seal .............................105
FCC, ACTA and IC regulations ......106
Limited warranty .............................108
Technical specifications..................110