Northwestern Bell Big Button Plus 20270 Owner's Manual - page 5
010508A-1 4
does not guarantee the equipment will
operate to the user’s satisfaction.
Before installing this equipment, users
should ensure that it is permissible to be
connected to the facilities of the local
telecommunications company.
The equipment must also be installed using
an approved method of connection. The
customer should be aware that compliance
with the above conditions may not prevent
degradation of service in some situations.
Repairs to certified equipment should be
made by an authorized Canadian
maintenance facility designated by the
supplier. Any repairs or alterations made by
the user to this equipment, or equipment
malfunctions, may give the
telecommunications company cause to
request the user to disconnect the equipment.
User should ensure for their own protection
that the electrical ground connections of the
power utility, telephone lines and internal
metallic water pipe system, if present, are
connected together. This precaution may be
particularly in rural areas.
CAUTION: User should not attempt to
make such connections themselves, but
should contact the appropriate electric
inspection authority, or electrician, as
appropriate.