Sony MP3 Player WM FX251 User Manual

3-858-914-12(1)  
SAFETY NOTES ON THE UNIT  
WARNING  
• To prevent fire or shock hazard, do not expose the  
unit to rain or moisture.  
• Do not use headphones/ earphones while driving,  
cycling, or operating a motorized vehicle. It may  
create a traffic hazard and is illegal in some areas. It  
can also be potentially dangerous to play your  
headphones/ earphones at high volume while  
walking, especially at pedestrian crossings. You  
should exercise extreme caution or discontinue use in  
potentially hazardous situations.  
Th is w a rra n t y is va lid o n ly in t h e Un it e d St a t e s.  
Pre ca u t io n s  
Tro u b le sh o o t in g  
Pre p a ra t io n s  
Radio Cassette Player  
• Do not leave the unit in a location near  
heat sources, or in a place subject to direct  
sunlight, excessive dust or sand, moisture,  
rain, mechanical shock, or in a car with its  
windows closed.  
Th e vo lu m e is n o t t u rn e d u p .  
To In se rt b a t t e rie s  
Operating Instructions  
AVLS is set to LIMIT.  
}
LIMITED WARRANTY  
Th e so u n d is u n st a b le o r n o a u d io .  
}
]
WALKMAN is a registered trademark of Sony Corporation.  
]
• Insert two size AA (R6) batteries properly.  
• Replace all batteries if they are weak.  
• Do not wind the headphones/ earphones  
cord around the unit. The buttons may be  
kept pressed, causing unnecessary battery  
usage.  
• Do not use cassettes longer than 90  
minutes except for long continuous  
playback.  
• If the unit has not been used for a long  
time, set it in the playback mode to warm  
it up for a few minutes before inserting a  
cassette.  
• For cleaning the case, use a soft cloth  
slightly moistened with mild detergent  
solution. Do not use alcohol, benzine or  
thinner.  
WM-FX251  
AA(R6)X2  
Th e d isp la y sh o w s in co rre ct in fo rm a t io n  
DC IN 3V  
©1997 by Sony Corporation  
Printed in Malaysia  
• The display may show incorrect information or the  
preset stations may not be recalled correctly when  
you use the unit for the first time, or when you  
have left the unit without batteries for a long time.  
In these cases, turn the tape and radio off and then  
press BAND for about 10 seconds, you will hear a  
beep sound through the headphones and the  
memories of all the preset stations will be  
• To prevent shock hazards, never open the unit while  
it is connected to the power source.  
Ba t t e ry life (a p p ro xim a t e h o u rs)  
Sony alkaline  
LR6 ( SG )  
Sony  
CAUTION  
R6P ( SR )  
OWNER' S RECORD  
• Do not use headphones/ earphones at high volume.  
Hearing experts advise against continuous, loud and  
extended play. If you experience a ringing in your  
ears, reduce volume or discontinue use.  
• Keep the volume at a moderate level. This will allow  
you to hear outside sounds and to be considerate to  
the people around you.  
The model number is located at the front and the  
serial number is located inside the cassette holder.  
Record the serial number in the space provided  
below. Refer to them whenever you call upon your  
Sony dealer regarding this product.  
Model No. WM-FX251  
Serial No.  
playback  
radio  
22  
33  
7
13  
canceled. Reset these functions again.  
No t e s  
Po o r t a p e p la yb a ck q u a lit y.  
• When the batteries become weak, the sound will be  
unstable or cannot be heard. In such case, replace both  
batteries.  
• When replacing batteries, replace both batteries within  
30 minutes; otherwise all the memories will be  
canceled.  
• The battery life may shorten depending on the  
operation of the unit.  
• If the battery compartment lid comes off, attach it as  
shown.  
• Clean the headphones plug.  
• Dirty heads. Clean them with a cotton swab  
slightly moistened with cleaning fluid or alcohol.  
SAFETY NOTES ON POWER SOURCES  
To avoid battery leakage, fire, damage, explosion, etc.,  
follow the descriptions below.  
If you have any questions or problem  
concerning your Walkman, please consult  
your nearest Sony dealer.  
INFORMATION  
This equipment has been tested and found to comply  
with the limits for a Class B digital device, pursuant  
to Part 15 of the FCC Rules. These limits are  
DANGER  
• Do not carry dry batteries with coins or other metallic  
objects. It can generate heat if the positive and  
negative terminals of the batteries are accidentally  
contacted by a metallic object.  
designed to provide reasonable protection against  
harmful interference in a residential installation. This  
equipment generates, uses, and can radiate radio  
frequency energy and, if not installed and used in  
accordance with the instructions, may cause harmful  
interference to radio communications. However,  
there is no guarantee that interference will not occur  
in a particular installation. If this equipment does  
cause harmful interference to radio or television  
reception, which can be determined by turning the  
equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the  
following measures:  
Sp e cifica t io n s  
• Frequency range  
WARNING  
For U area indication:  
FM: 87.5-108MHz (0.1MHz step)  
AM: 530-1710kHz (10kHz step)  
For E area indication:  
FM: 87.5-108MHz (0.05MHz step)  
AM: 531-1602kHz (9kHz step)  
• Use only the Sony AC-E30HG AC power adaptor (not  
supplied).  
• To disconnect the AC power adaptor, only use the  
plug and not the cable.  
• Do not charge a dry battery.  
• Check the ] and } on the batteries, and be sure to  
insert them like the illustration in this manual.  
2
1
• Pow er requirements  
3V DC batteries AA (R6) x 2/ External DC 3V  
To u se e xt e rn a l p o w e r  
• For house current: Connect AC-E30HG AC power  
adaptor (not supplied) to the DC IN 3V jack.  
power sources  
• Dimensions  
115 x 90.5 x 34.4 mm (4 58 x 3 58 x 1 38 inches)  
(w/ h/ d) incl. projecting parts and controls  
CAUTION  
• When you are not going to use your Walkman for a  
long time, remove the batteries to prevent damage  
from battery leakage and corrosion.  
– Reorient or relocate the receiving antenna.  
– Increase the separation between the equipment and  
receiver.  
• Mass  
Approx. 150g (5.3 oz)  
Approx. 230g (8.2 oz) incl. batteries and a tape  
• Supplied accessories  
Stereo headphones (1)/ Carrying case (1)  
– Connect the equipment into an outlet on a circuit  
different from that to which the receiver is  
connected.  
– Consult the dealer or an experienced radio/ TV  
technician for help.  
The polarity of the plug  
Design and specifications are subject to change  
without notice.  
To u se t h e ca rryin g ca se  
This device complies with Part 15 of the FCC Rules.  
Operation is subject to the following two conditions:  
(1) This device may not cause harmful interference,  
and (2) this device must accept any interference  
received, including interference that may cause  
undesired operation.  
You are cautioned that any changes or modifications  
not expressly approved in this manual could void  
your authority to operate this equipment.  
 

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