Radio Shack 420 User Manual
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Please read before using this equipment.
Cat. No.
43-971
OWNER’S MANUAL
System 420
Call Waiting
Caller ID
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Warnin
: To prevent fire or s hock
hazard, do not expose this product
to rain or moisture.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
This sym bol is i nt en de d to a le r t yo u to t he p r es enc e of u ninsula ted dangero us voltage w ithin the prod uct’s enc losure that m ig ht b e of s uff icient magni tud e to c on stitu te a
risk of electric shock. Do not open the product’s case.
This s ymb ol i s i nt e nde d to i nf orm you t ha t im port a nt op er ating and maintenance instructions are incl uded in t he lit-
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erature accompanying this product.
: TO REDUCE THE RISK OF
Serial Number: _______________________
We recommend you record the system’s serial number here.
The number is on the label on the bottom of the system.
©
1997 Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
All Rights Reserved.
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FEATURES
Your RadioShac k S ystem 420 Ca ll Wait ing Cal ler ID off ers t he
latest in telephone technology. The system displays the current date and time , and call infor mation as provided by you r local phone company.
The system has these features:
Caller ID Memory
phone numbers, or up to abo ut 51 incoming names and phone
numbers (actual capacity depends on information sent).
Call Wait in g
play shows incoming caller information when you are on the
phone.
Message Waiting
the display shows that you have a message when someone
records a message on your voice mail service.
Caller ID Memory Dial
number from Call er ID memory, then dial it with the touch of a
button.
VIP Call List with Distinctive Ring
phone numbers and names of up to 20 important callers and
set the system to ring with a distinctive tone when they call.
Review Scrolling
record s in Caller ID mem o ry .
Large Liquid Crystal Display
information, including the time the call came in.
— stores and displays up to 99 incoming
— the NEW CALL indicator fla shes and the dis-
— the NEW CALL indicator flashes and
— lets you select a stored phone
— lets you store the
— lets you easily scroll through all call
— displays three full lines of
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Note: Your system requires two AAA batteries (not supplied)
to protect its mem ory during a power outage.
This system has been tested and found to comply with all applicable UL and FCC standard s.
Important Information:
• To use the Syst em ’s Caller ID, messag e wait ing, and call
waiting fea tur es, you must be in an area where Caller ID,
message waiting, and call waiting services are available,
and you must subscr ibe to those 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 your System 420’s Caller ID memory dial feature to
operate, you must receive the caller’s number.
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READ THIS BEFORE INSTALLATION
Your Caller ID system conforms to federal regulations, and
you can connect it to most telep hone lines. However, each device that you connect to the phone line draws power from the
phone line. We ref er to this power draw as the device’s
equivalence number
tom of your system .
If you are using more than one phone or other device on the
line, add up all the RENs. If the total is more than five, your
phone might not ring. In rural areas, a total REN of three
might impair ringer operation. If ringer operation is impaired,
remove a device from the line.
, or REN. The REN is shown on the bot-
FCC STATEMENT
ringer
Your system complies with Part 68 of
upon request, provide the FCC Registration Number and the
REN to your phone compan y. These number s a re on t he l abel
on the bottom of the system.
Note:
You must not connect your system to:
• Coin-operated systems
• Party-li ne systems
• Most electronic key telephone syst em s
FCC Rules
. You must,
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CONTENTS
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connecting the AC Adapter . . . . . . . . . . . . . . . . . . . . 10
Resetting the System . . . . . . . . . . . . . . . . . . . . . . . . . 11
Connecting to th e Phone Line . . . . . . . . . . . . . . . . . . 12
Connecting to a Single Phone Line . . . . . . . . . . 12
Connecting to a Two-line Phone . . . . . . . . . . . . . 13
Connecting to an Answer ing Machine . . . . . . . . 14
Setting the Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Adjusting the Display Contrast . . . . . . . . . . . . . . . . . . 16
Storing Your Local Area Code . . . . . . . . . . . . . . . . . . 17
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Receiving and Storing Calls . . . . . . . . . . . . . . . . . . . . 18
New Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Call Waiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Message Waiting . . . . . . . . . . . . . . . . . . . . . . . . 19
Repeat Messages . . . . . . . . . . . . . . . . . . . . . . . . 20
Long Distance Calls . . . . . . . . . . . . . . . . . . . . . . 20
Forwarded Calls . . . . . . . . . . . . . . . . . . . . . . . . . 20
Out of Area Calls . . . . . . . . . . . . . . . . . . . . . . . . 21
Private Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Line Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Name- or Number-Only Calls . . . . . . . . . . . . . . . 23
Call Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Reviewing Call Records . . . . . . . . . . . . . . . . . . . 23
Dialing Numbers in Call Records . . . . . . . . . . . . 24
Deleting Call Records . . . . . . . . . . . . . . . . . . . . . 25
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VIP Call List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Storing Call Records in the VIP Call List . . . . . . 27
Turning On/Off the VIP Call Special Ring . . . . . 28
Reviewing and Deleting VIP Call Records . . . . . 28
Dialing from the VIP Call List . . . . . . . . . . . . . . . 29
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 30
The FCC Wants You to Know . . . . . . . . . . . . . . . . . . 31
Lightning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
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PREPARATION
INSTALLING BATTERIES
Your system uses two AAA batteries to maintain information
in memory during power failures. For the longest operation
and best performance, we recommend you use alkaline batteries such as RadioShack Cat. No. 23-555.
Cautions:
• Use only fresh batteries of the recommended size and
type.
• Do not mix old and new batteries, different types of batteries (standard, alkaline, or rechargeable), or rechargeable batteries of different capacities.
• When you replace the batteries, have fresh batteries on
hand before you begin. You must install fresh batteries
immediately after removing the old batteries; otherwise,
you might lose the information stored in the system.
• When you replace the batteries, do not press any buttons on the system after you remove the old batteries.
Doing so might erase all stored information fr om the system.
• Never leave dead or weak batteries in the system. Batteries can leak chemicals that can destroy electronic circuits .
• Dispose of old batteries promptly; do not bury or burn
them.
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1. Make sure the system is unplugged from the telephone
line and AC power .
2. Use a Phillips screwdriver to remove the screw in the
battery compartment cover on the bottom of the system,
then remove the cover.
3. Insert fresh batteries into the compartment as indicated
by the polarity symbols (+ and –) marked inside the compartment.
4. Replace the cover and secure it with the screw.
Note: When appears on the display or the display dims,
replace the bat teries.
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CONNECTING THE AC ADAPTER
The AC adapter must be connected for the System 420 to operate.
Note:
You must also keep batteries in the system to protect
the information stored in memory during power failures.
Cautions:
• You must use an AC adapter that supplies 9 volts DC
and at least 50 milliamps. Its center tip must be set to
negative, and its plug must correctly fit the system’s
9V
jack. The supplied adapter meets these specifications. Using an adapter tha t does not meet these specifications could damage the system or the adapter.
• Always conne ct the AC adapter to t he system before you
plug it into the AC outlet, and unplug the adapter from
the AC outlet before you unplug it from the system.
DC
Follow these steps to connect the supplied AC adapter.
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