Radio Shack Switch AFX 400 User Guide

Cat. No. 43-1246  
OWNER’S MANUAL  
Please read before using this equipment.  
AFX-400  
Three-Device Home Fax Switch  
 
CONTENTS  
Installation .................................................................................................................................................................................... 4  
Making the Connections .......................................................................................................................................................... 4  
Mounting on a Wall .................................................................................................................................................................. 5  
Preparing an Answering Machine for Use with the AFX-400 .................................................................................................. 5  
Installing an Optional Voice Data Guard ................................................................................................................................. 5  
Operation ...................................................................................................................................................................................... 6  
Operating Modes ..................................................................................................................................................................... 6  
Automatic Ring Reduction ................................................................................................................................................ 6  
Receiving Voice Calls .............................................................................................................................................................. 7  
Using an Answering Machine .................................................................................................................................................. 7  
Answering Machine Remote Operation ............................................................................................................................ 7  
Receiving Faxes ...................................................................................................................................................................... 8  
Using Transfer Codes ....................................................................................................................................................... 8  
Receiving Modem Calls ........................................................................................................................................................... 8  
Using Transfer Codes ....................................................................................................................................................... 8  
Special Features .......................................................................................................................................................................... 9  
Using Caller ID ........................................................................................................................................................................ 9  
Using a Distinctive Ring Service ............................................................................................................................................. 9  
Using Voice Mail ...................................................................................................................................................................... 9  
Using Your Fax Machine as a Scanner ................................................................................................................................. 10  
Questions and Answers ............................................................................................................................................................ 11  
Troubleshooting ......................................................................................................................................................................... 12  
Care and Maintenance ............................................................................................................................................................... 13  
The FCC Wants You to Know ................................................................................................................................................ 14  
Lightning ................................................................................................................................................................................ 14  
3
 
INSTALLATION  
You can place the AFX-400 on a flat surface or mount it on a  
wall (see “Mounting on a Wall” on Page 5). Choose a location  
that is:  
3. To connect a modem instead of a fax machine, plug the  
modular cord from its line input jack into the FAX/MODEM  
jack on the back panel of the AFX-400. Set the modem’s  
ring number to its minimum setting (typically 1 ring).  
• near an AC outlet  
• near a telephone line jack  
• out of the way of normal activities  
• at least 2 feet away from any electronic equipment  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
Caution: The supplied AC adapter supplies 12 volts and deliv-  
ers at least 830 mA. Its plug fits the AFX-400's 12VAC jack.  
Using an adapter that does not meet these specifications  
could damage the AFX-400 or the adapter.  
4. To connect an answering machine, plug the modular cord  
from its line input jack into the AFX-400’s ANSWERING  
MACHINE jack. Also, see “Preparing an Answering  
Machine for Use with the AFX-400” on Page 5.  
Note: The socket-outlet shall be installed near the equipment  
and shall be easily accessible.  
MAKING THE CONNECTIONS  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
1. Plug one end of the supplied modular telephone line cord  
into the TEL LINE jack on the AFX-400’s back panel, and  
plug the other end into a modular telephone line jack.  
5. To connect a Caller ID unit, plug the modular cord from its  
line input jack into the AFX-400’s PHONE jack. Also see  
“Using Caller ID” on Page 9.  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
Notes:  
• Your AFX-400 connects directly to a modular telephone  
line jack. If your telephone wiring does not have a mod-  
ular jack, you can update the wiring yourself using jacks  
and adapters available at your local RadioShack store,  
or have the telephone company update the wiring for  
you.  
6. To connect a telephone, plug its modular cord into the  
AFX-400’s PHONE jack. or into your Caller ID unit’s phone  
jack.  
• The USOC number of the jack to be installed is RJ11C.  
2. To connect a fax machine, plug its modular cord into the  
FAX/MODEM jack. Set the fax machine’s ring number to its  
minimum setting (typically one ring).  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
TEL ANSWERING  
FAX/  
SWITCH  
PHONE  
LINE  
MACHINE  
MODEM SETTINGS  
A
S
ON  
OFF  
Note: If your Caller ID unit does not have a connection for  
a telephone, connect your telephone to your answering  
machine or directly to the ANSWERING MACHINE jack.  
4
 
7. Plug the supplied adapter’s barrel plug into the 12VAC  
jack, then plug the adapter into a standard AC outlet. The  
POWER indicator on the front of the AFX-400 lights.  
PREPARING AN ANSWERING MACHINE  
FOR USE WITH THE AFX-400  
1. Be sure your answering machine is set to answer calls in  
less than six rings, because the AFX-400 will ring the  
ANSWERING MACHINE jack only six times before routing  
the call to the FAX/MODEM jack.  
#1 Operating Mode  
#2 Caller ID  
AX/  
SWITCH  
#3  
#4  
Distinctive Ring  
Ring Reduction  
DEM SETTINGS  
A
S
ON  
OFF  
2. Because some fax machines do not send a fax alert tone,  
your outgoing message should give callers instructions on  
how to send a fax (see “Receiving Faxes” on Page 8).  
12VAC  
For example:  
Note:  
“Hello. Please leave your name and phone number at the  
tone. If you want to send a fax, press #91 on your touch-  
tone phone, then press START on your fax machine.”  
• If AC power fails, your AFX-400 automatically passes  
incoming calls to its ANSWERING MACHINE and PHONE  
jacks, so you can answer the calls.  
3. For the best performance, your outgoing message should  
be 10–15 seconds long with 4 seconds of silence at the  
beginning of the message. The silence gives the AFX-400  
a chance to detect fax alert tones or transfer codes.  
• The POWER indicator flashes slowly during calls.  
MOUNTING ON A WALL  
3/16"  
1. To mount the AFX-400 directly on a wall,  
you need two screws (not supplied) with  
heads that fit the keyhole slots on the bot-  
tom of the switch. Drill two holes 31/4  
inches (83 mm) apart. Then thread a  
screw into each hole, letting the heads  
INSTALLING AN OPTIONAL VOICE DATA  
GUARD  
31  
If a telephone device on the same line as the AFX-400 is in  
use, the AFX-400 does not let your fax machine or modem ac-  
cess the line or interrupt the call.  
/4"  
3
extend about /16 inch (5 mm) from the  
wall.  
However, to prevent an extension telephone from interrupting  
a fax or data call in progress through the AFX-400, you must  
plug that extension phone into an optional voice data guard,  
such as RadioShack Cat. No. 43-107.  
2. Route the modular line cords through the line guides on  
the bottom of the AFX-400.  
You do not need to use a voice data guard if your an-  
Note:  
swering machine automatically stops playing the outgoing  
message when you pick up an extension phone and you con-  
nected the answering machine to the AFX-400’s ANSWERING  
MACHINE jack.  
Line  
Guides  
Line  
Guides  
3. Place the keyhole slots over the screws and slide the  
AFX-400 downward to secure it.  
5
 
OPERATION  
The AFX-400 manages your incoming calls by listening for a  
fax alert tone or transfer code, then routing the call to the cor-  
rect jack.  
Automatic Ring Reduction  
When the AFX-400 routes a call to the ANSWERING MACHINE  
and PHONE jacks, it allows six rings for you to answer before it  
routes the call to the FAX/MODEM jack.  
• A fax alert tone (CNG tone) is a signal sent by most fax  
machines to tell the receiving device that a fax will be  
transmitted. It is a short beep that repeats every three sec-  
onds.  
After the AFX-400 has routed a call to the FAX/MODEM jack  
and received one more call, it automatically reduces the num-  
ber of rings on subsequent calls from six to two to give fax  
calls more time to connect. It resets the number of rings to six  
after 20 minutes of inactivity on the FAX/MODEM jack, or you  
can manually reset it by placing a call on any phone on the  
same line, or by just picking up the phone then hanging it up.  
• A transfer code is a signal that a caller can enter on a  
touch-tone phone to tell the AFX-400 how to route the call.  
# 9 1 transfers a call to the FAX/MODEM jack. # 8 1 trans-  
fers a call to the ANSWERING MACHINE and PHONE jacks.  
If the AFX-400 does not hear one of these signals, it routes the  
call according to the operating mode you have set.  
With automatic ring reduction turned off, the AFX-400 always  
allows six rings when it routes a call to the ANSWERING MA-  
CHINE and PHONE jacks.  
OPERATING MODES  
Follow these steps to turn automatic ring reduction on or off.  
1. Unplug the AC adapter from the AC outlet.  
The AFX-400 has two operating modes — home and office. It  
comes preset to operate in home mode.  
2. Set switch 4 on the back panel to ON or OFF.  
In home mode, the AFX-400 routes incoming calls to its AN-  
SWERING MACHINE and PHONE jacks.  
• If a call is not answered after six rings, the AFX-400 routes  
it to the FAX/MODEM jack (see “Automatic Ring Reduc-  
tion”).  
#1 Operating Mode  
#2 Caller ID  
#3 Distinctive Ring  
#4 Ring Reduction  
ANSWERING  
MACHINE  
FAX/  
SWITCH  
PHONE  
MODEM SETTINGS  
A
S
ON  
OFF  
• If you or your answering machine answer the call before it  
is routed, the AFX-400 listens for a fax alert tone or a #91  
transfer code. If it hears either signal, it routes the call to  
the FAX/MODEM jack.  
12VAC  
3. Reconnect the AC adapter.  
In office mode, the AFX-400 answers incoming calls on the  
first ring and listens for a fax alert tone or a #91 transfer code.  
• If it hears either signal, it routes the call to the FAX/MODEM  
jack.  
• If it does not hear one of these signals within four sec-  
onds, it routes the call to the PHONE and ANSWERING  
MACHINE jacks. If the call is not answered after six rings,  
the AFX-400 routes it back to the FAX/MODEM jack.  
To change the operating mode, set switch 1 on the back panel  
to S for home mode or A for office mode.  
#1 Operating Mode  
#2 Caller ID  
#3 Distinctive Ring  
#4 Ring Reduction  
ANSWERING  
MACHINE  
FAX/  
SWITCH  
PHONE  
MODEM SETTINGS  
A
S
ON  
OFF  
12VAC  
6
 
RECEIVING VOICE CALLS  
USING AN ANSWERING MACHINE  
To answer a call, pick up any phone on the same line as the  
AFX-400. If it is a voice call, talk as usual. Otherwise:  
When your answering machine answers a call, the AFX-400  
monitors the call for a fax alert tone or transfer code. If it hears  
FAX/MODEM  
one of these signals, it routes the call to the  
jack.  
• If you a hear a fax alert tone, enter # 9 1 and hang up. The  
FAX/MODEM  
AFX-400 will route the call to the  
jack.  
When your answering machine answers, the caller can record  
a message, enter a transfer code, or both. That way a caller  
can, for example, leave a voice message and send a fax on  
the same call.  
• If you hear only silence, the call might be from a modem or  
a fax machine that does not send alert tones. To transfer  
FAX/MODEM  
the call to the  
jack, enter # 9 1 on any touch-  
tone phone on the same line as the AFX-400, then hang  
up. If you are using a pulse (rotary) phone that is directly  
connected to the AFX-400, dial 4 to transfer the call.  
Note:  
• If your answering machine disconnects a call within 20  
seconds (if its memory is full, for example), the AFX-400  
routes the call to the  
Notes:  
FAX/MODEM  
jack.  
• If the AFX-400 is in office mode when a call comes in,  
extension phones ring only once, then the phone con-  
FAX/  
• If you do not want the AFX-400 to transfer calls to the  
MODEM  
jack when the answering machine hangs up, con-  
PHONE  
nected to the  
jack on the AFX-400 will start to ring.  
PHONE  
nect the answering machine to the  
jack, then con-  
You can answer the call on any extension, even if it is not  
ringing.  
nect your phone to the answering machine.  
FAX/MODEM  
• In office mode, the AFX-400 prevents the  
jack from interrupting the  
Answering Machine Remote Operation  
ANSWERING MACHINE  
and  
PHONE  
jacks, so you cannot use the fax machine’s phone  
To use your answering machine’s remote operation features  
(for example, to retrieve your messages while away), follow  
these steps.  
to answer incoming calls.  
1. Dial the AFX-400.  
*
2. When the answering machine answers, press on your  
touch-tone phone to disable the AFX-400.  
3. Follow the remote retrieval procedures for your answering  
machine.  
4. When you finish, hang up. The AFX-400 automatically  
resets to process calls.  
7
 
RECEIVING FAXES  
RECEIVING MODEM CALLS  
Most fax machines send a fax alert tone before transmitting a  
fax. When the AFX-400 hears a fax alert tone, it automatically  
Unlike most fax machines, modems do not send an alert tone.  
Modem calls must be routed using transfer codes or a distinc-  
tive ring service (see “Using a Distinctive Ring Service” on  
Page 9).  
FAX/MODEM  
routes the call to the  
jack.  
Fax calls can also be routed using transfer codes or a distinc-  
tive ring service (see “Using a Distinctive Ring Service” on  
Page 9).  
Using Transfer Codes  
To have the calling modem automatically send the required  
transfer code, the caller must insert the code in the modem’s  
dialing string immediately following the phone number.  
Using Transfer Codes  
For fax machines that do not transmit alert tones, the caller  
can enter the transfer code to tell the AFX-400 to route the call  
To connect to the AFX-400 while it is set to home mode,  
add the following to the modem’s dialing string.  
FAX/MODEM  
to the  
jack. You can tell callers how to enter the  
code before they fax you, or you can record the instructions on  
your answering machine (see “Preparing an Answering Ma-  
chine for Use with the AFX-400” on Page 5).  
, , , # 9 1 , # 9 1 , # 9 1 , # 9 1  
To connect to the AFX-400 while it is set to office mode,  
add the following to the modem’s dialing string.  
FAX/  
Callers must follow these steps to transfer a call to the  
MODEM  
, # 9 1 , # 9 1 , # 9 1 , # 9 1  
jack.  
1. Call the AFX-400.  
Notes:  
2. When it answers, press # 9 1 on a touch-tone phone.  
3. Press the fax machine’s START or SEND button.  
• A comma (,) in most modems’ dialing string inserts a  
two-second pause. If the caller’s modem uses a longer or  
shorter pause, have them adjust the dialing string accord-  
ingly.  
You can also transfer a call yourself. To transfer the call to the  
FAX/MODEM  
jack, enter # 9 1 on any touch-tone phone on the  
• The code string for home mode is designed for an answer-  
ing machine set to answer after two rings. If your answer-  
ing machine is set to answer after more than two rings,  
have the caller add a 6-second pause for each additional  
ring.  
same line as the AFX-400. If you are using a pulse (rotary)  
phone that is directly connected to the AFX-400, dial 4 to  
transfer the call.  
To transfer the call from the fax machine back to a touch-tone  
phone or answering machine connected to the AFX-400, dial  
# 8 1.  
• For long distance calls, have the caller add a four-second  
pause to the beginning of the code string.  
You can also transfer a call yourself. To transfer the call to the  
FAX/MODEM  
jack, enter # 9 1 on any touch-tone phone on the  
same line as the AFX-400. If you are using a pulse (rotary)  
phone that is directly connected to the AFX-400, dial 4 to  
transfer the call.  
8
 
SPECIAL FEATURES  
• Calls to the main number are not answered.  
USING CALLER ID  
• Calls to the second number are routed to the ANSWERING  
MACHINE and PHONE jacks.  
If you subscribe to Caller ID service from your local phone  
company, the phone company sends information about the  
caller between the first and second ring of each call.  
• Calls to the third number are routed to the FAX/MODEM  
jack.  
When the AFX-400 is operating in office mode, it is preset to  
ring connected devices once, which does not give your Caller  
ID unit time to record the caller’s information. If you want to  
use a Caller ID unit with the AFX-400 in office mode, you must  
turn on the AFX-400’s Caller ID detection. With Caller ID de-  
tection turned on, the AFX-400 will ring connected devices  
twice, giving your Caller ID unit time to record the information.  
Follow these steps to turn distinctive ring identification on or  
off.  
1. Unplug the AC adapter from the AC outlet.  
2. Set switch 3 on the back panel to ON or OFF.  
Follow these steps to turn Caller ID detection on or off.  
1. Unplug the AC adapter from the AC outlet.  
2. Set switch 2 on the back panel to ON or OFF.  
#1 Operating Mode  
#2 Caller ID  
#3 Distinctive Ring  
#4 Ring Reduction  
ANSWERING  
MACHINE  
FAX/  
SWITCH  
PHONE  
MODEM SETTINGS  
A
S
ON  
OFF  
12VAC  
#1 Operating Mode  
#2 Caller ID  
#3 Distinctive Ring  
#4 Ring Reduction  
ANSWERING  
MACHINE  
FAX/  
SWITCH  
PHONE  
3. Reconnect the AC adapter.  
MODEM SETTINGS  
A
S
ON  
OFF  
12VAC  
USING VOICE MAIL  
To use your AFX-400 with a voice mail service from your local  
phone company, you must also subscribe to a distinctive ring  
service with one or two additional numbers (see “Using a Dis-  
tinctive Ring Service”).  
3. Reconnect the AC adapter.  
USING A DISTINCTIVE RING SERVICE  
When distinctive ring identification is turned off, the AFX-400  
ignores calls to the third number. In that case, use the third  
number for your voice mail.  
Most phone companies offer a distinctive ring service. This  
service allows a single phone line to use two or three phone  
numbers, with each number having a different ring pattern. For  
example, your main number might be assigned one long ring,  
your second number two short rings, and your third number  
three short rings.  
When distinctive ring identification is turned on, the AFX-400  
ignores calls to the main number. In that case, use the main  
number for your voice mail.  
The AFX-400 recognizes distinctive rings, so you can, for ex-  
ample, use one number for voice calls and another for fax or  
data calls.  
The AFX-400 is preset with distinctive ring identification turned  
off, and it handles calls as follows:  
• Calls to the main number are routed to the ANSWERING  
MACHINE and PHONE jacks.  
• Calls to the second number are routed to the FAX/MODEM  
jack.  
• Calls to the third number are not answered.  
When distinctive ring identification is turned on, the AFX-400  
handles calls differently:  
9
 
USING YOUR FAX MACHINE AS A  
SCANNER  
If your computer has a fax/modem card installed, the AFX-400  
lets you use your fax machine as a full-page scanner.  
Follow these steps to scan a document through the AFX-400.  
FAX/MODEM  
1. Connect a fax machine to the  
nect your fax/modem to the  
jack, and con-  
PHONE  
jack.  
2. Set your fax/modem’s software to receive a fax, and set it  
to answer after one or two rings.  
3. Put the document to be scanned into the fax machine.  
4. Lift the fax machine’s telephone handset and enter * * 8 1  
to transfer the call.  
5. When your fax/modem answers, press your fax machine’s  
START or SEND button and hang up its phone.  
Your fax/modem stores the document as a received fax, and  
you can view or modify it using your fax/modem’s software.  
10  
 
QUESTIONS AND ANSWERS  
What is line sharing?  
Is there any special information I need to know about re-  
ceiving faxes from a fax machine that uses auto-dial?  
Line sharing lets you use one telephone line for more than one  
purpose. For example, you can use one telephone line for reg-  
ular calls, fax or modem transmissions, or calls to your an-  
swering machine. Line sharing eliminates the need for  
additional lines.  
Yes. Auto-dialing fax machines must connect with the receiv-  
ing fax machine usually within about 35 seconds. Otherwise,  
the transmission ends. This means the combined number of  
rings between the answering machine and your fax machine/  
fax modem should not exceed five rings. For safety’s sake, al-  
ways set your fax machine/fax modem to its lowest ring delay  
and/or ring number setting. Also, if you frequently receive fax  
calls from overseas, you must allow extra time for the call to  
connect (which means using an even lower number of com-  
bined rings).  
How does my AFX-400 know that it’s a fax machine call-  
ing?  
When the AFX-400 answers a call (office mode) it listens for a  
fax alert (CNG) tone. The CNG tone is a beep every three sec-  
onds that most fax machines send to alert the receiving fax  
machine.  
Does the AFX-400 work with an answering machine that  
has a toll-saver feature?  
How does my AFX-400 know it’s a data modem calling?  
Yes. In home mode, the toll saver will function normally and  
you will not be charged for the call if you hang up before the  
answering machine answers. But when the AFX-400 is in of-  
fice mode, it answers the call. Therefore, you will not save the  
toll and you will be charged by the phone company when dial-  
ing from pay phones and long distance.  
Unlike most fax machines, modems do not send an alert tone.  
Modem calls must be routed using transfer codes (see “Using  
Transfer Codes” on Page 8) or a distinctive ring service (see  
“Using a Distinctive Ring Service” on Page 9).  
Can I share my residential line with my fax machine?  
Yes. You can install the AFX-400 at any modular telephone  
jack on the telephone line. To prevent calls on extension  
phones from interrupting your fax transmission, we recom-  
mend you install a voice data guard (see “Installing an Option-  
al Voice Data Guard” on Page 5).  
Does the AFX-400 work with Call Forwarding?  
No. If you have forwarded your phone to another number, in-  
coming fax calls never reach your AFX-400 because the calls  
are switched at the phone company’s central office to the for-  
warded number.  
Can I use the AFX-400 on a two-line system?  
Does the AFX-400 work with Call Waiting?  
Yes. The AFX-400 works on a two-line system, but only on the  
line it is connected to. It does not alter the operation of the  
second line.  
Yes, but the Call Waiting signal might distort an incoming or  
outgoing fax or data transmission. Some telephone systems  
let you temporarily turn off the call-waiting feature by dialing a  
special code. You might want to do that if you send or expect  
to receive an important fax call. Ask your phone company if it  
offers this feature.  
Can I still send faxes like I did before I installed the AFX-  
400?  
Yes. Installing the AFX-400 does not affect outgoing fax oper-  
ation.  
11  
 
TROUBLESHOOTING  
We do not expect you to have any problems with your AFX-400 Home Fax Switch, but if you do, the following suggestions might  
help.  
Problem  
Suggestion  
The power indicator does not light.  
Be sure the AC adapter is properly connected.  
The power indicator flashes when the AFX-400 is not  
in use.  
Check that the line cord between the TEL LINE jack and the  
wall jack is properly connected.  
No dial tone on a phone connected to the AFX-400.  
Be sure all the line cords connecting phone devices to the  
AFX-400 are securely connected to the correct jacks.  
Connect the phone to a different jack on the AFX-400. If  
you still hear no dial tone, try a different phone.  
Faxes are not received, or fax calls are not transferred  
to the FAX/MODEM jack.  
Be sure all the line cords connecting phone devices to the  
AFX-400 are securely connected to the correct jacks.  
The sending fax machine did not send a fax alert tone. Tell  
the sender to enter # 9 1 on a touch-tone phone before  
sending the fax.  
Be sure your fax machine is turned on and set to answer  
after fewer rings than your answering machine.  
Record four seconds of silence at the beginning of your  
answering machine’s outgoing message.  
Answering machine does not record calls.  
Be sure all the line cords connecting phone devices to the  
AFX-400 are securely connected to the correct jacks.  
Be sure the answering machine is turned on and set to  
answer calls within six rings.  
Be sure the outgoing message is between 10 and 15 sec-  
onds long.  
Modem calls do not connect.  
Be sure all the line cords connecting phone devices to the  
AFX-400 are securely connected to the correct jacks.  
Be sure your modem is set to answer in one ring.  
Be sure the caller has correctly entered the transfer code  
into the calling modem’s dialing string.  
If you still have problems, contact your local RadioShack store.  
12  
 
CARE AND MAINTENANCE  
Your RadioShack AFX-400 Home Fax Switch is an example of superior design and craftsmanship. The following suggestions will  
help you care for your AFX-400 so you can enjoy it for years.  
Keep the AFX-400 dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the  
electronic circuits.  
Use and store the AFX-400 only in normal temperature environments. Temperature extremes can shorten the life  
of electronic devices, and distort or melt plastic parts.  
Keep the AFX-400 away from dust and dirt, which can cause premature wear of parts.  
Handle the AFX-400 gently and carefully. Dropping it can damage circuit boards and cases and can cause the AFX-  
400 to work improperly.  
Wipe the AFX-400 with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning  
solvents, or strong detergents to clean the AFX-400.  
Modifying or tampering with the AFX-400’s internal components can cause a malfunction and might invalidate its warranty and  
void your FCC authorization to operate it. If your AFX-400 is not performing as it should, take it to your local RadioShack store for  
assistance. If the trouble is affecting the telephone lines, the phone company can ask you to disconnect your AFX-400 until you  
have resolved the problem.  
13  
 
THE FCC WANTS YOU TO KNOW  
LIGHTNING  
In the unlikely event that your AFX-400 causes problems on  
the phone line, the phone company can disconnect your ser-  
vice. The phone company attempts to notify you in advance. If  
advance notice is not practical, the phone company notifies  
you of your right to file a complaint with the FCC.  
Your AFX-400 has built-in protection circuits to reduce the risk  
of damage from surges in the phone and power line current.  
These protection circuits meet or exceed FCC requirements.  
However, lightning striking the phone line or power lines can  
damage your AFX-400.  
Also, the phone company can make changes to its lines,  
equipment, operations, or procedures that could affect the op-  
eration of your AFX-400. The phone company notifies you of  
these changes in advance, so you can take steps to prevent  
interruption of your phone service.  
Lightning damage is not common. Nevertheless, if you live in  
an area that has frequent electrical storms, we suggest that  
you unplug your AFX-400 during storms to reduce the possi-  
bility of damage.  
14  
 
NOTES  
15  
 
Limited One-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workman-  
ship under normal use for one (1) year from the date of purchase from RadioShack company-owned  
stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, Ra-  
dioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING  
THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED  
IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED  
HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RE-  
SPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY  
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFOR-  
MANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, IN-  
CLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS  
OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDEN-  
TAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE  
POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of in-  
cidental or consequential damages, so the above limitations or exclusions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack  
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, un-  
less otherwise provided by law: (a) correct the defect by product repair without charge for parts and  
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase  
price. All replaced parts and products, and products on which a refund is made, become the prop-  
erty of RadioShack. New or reconditioned parts and products may be used in the performance of  
warranty service. Repaired or replaced parts and products are warranted for the remainder of the  
original warranty period. You will be charged for repair or replacement of the product made after the  
expiration of the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse,  
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or  
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs  
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as  
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs  
of product removal, installation, set-up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
10/98  
Printed in the USA  
 

QSC Audio Portable Speaker EB2082 i User Guide
Radio Shack Cordless Telephone ET 1112 User Guide
Radio Shack Radar Detector x k ka superwide Radar lasar detector User Guide
Recoton Advent Headphones AW770 User Guide
Rubbermaid Outdoor Storage 3746 User Guide
Russound Car Video System VMR1 User Guide
Samsung Cell Phone BlackJack User Guide
Sanus Systems Indoor Furnishings PFAV30 User Guide
Sanyo Stereo Amplifier 15GN03MA User Guide
Scag Power Equipment Lawn Mower SFZ48 19KA User Guide