Radio Shack Chronomatic-300, Руководство пользователя

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service.
Hearing-Aid Compatibility - lets you use the phone with hearing aids that
have a T (telephone) switch.
READ THIS BEFORE INSTALLATION
Your phone conforms to federal regulations and you can connect it to most
phone lines. However, each device that you connect to the phone line draws
power from the phone line. We refer to this power draw as the device's
ringer equivalence number, or REN.
If you use more than one phone or other device on the line, add up all the
RENs. If the total is more than five, your phones might not ring. In
rural areas, a total REN of three might impair ringer operation. Check
with your local telephone company to be sure.
FCC STATEMENT
Your telephone complies with Part 68 of FCC Rules. At the telephone
company's request, you must provide the phone's FCC registration number
and REN. These numbers are located on the bottom of the telephone.
NOTE: You must not connect your telephone to:
Coin-operated systems.
Party-line systems.
Most electronic key systems.
This telephone has been tested and found to comply with all applicable UL
standards.