Radio Shack ET-3507 Telephone User Manual


 
4
Important Information
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Important Information
READ THIS BEFORE INSTALLATION
Your phone is ETL listed to UL standards and meets all
applicable FCC standards.
We have designed your telephone to conform to federal
regulations, and you can connect it to most telephone
lines. However, each device that you connect to the
telephone line draws power from the telephone line. We
refer to this power draw as the device's ringer
equivalence number, or REN. The REN is on the bottom
of your telephone’s base.
If you use more than one phone or other device on the
line, add up all of the RENs. If the total is more than five
(three in rural areas), your telephones might not ring. If
ringer operation is impaired, remove a device from the
line.
IMPORTANT CALLER ID
INFORMATION
To use the phone’s Caller ID and Call Waiting features,
you must be in an area where Caller ID and Call Waiting
services are available and you must subscribe to the
services.
Where Caller ID is offered, one or more of the following
options are generally available:
caller’s number only
caller’s name only
caller’s name and number
For the phone’s Caller ID memory dial feature to operate,
you must receive the caller’s number.
Your telephone operates on standard radio frequencies
as allocated by the FCC. Even though the access
protection code prevents unauthorized use of your phone
line, it is possible for other radio units operating on similar
frequencies within a certain area to unintentionally
intercept your conversations and/or cause interference.
This lack of privacy can occur with any cordless phone.