WEATHER/FM Stereo/AM
PLL Synthesized Radio
Operating Instructions
“WALKMAN” is a registered trademark of Sony Corporation to represent
Headphone Stereo products. 
is a registered trademark of Sony Corporation.
WEATHER/FM/AM WALKMAN
SRF-M37W
©2008 Sony Corporation | Printed in China |
For customers who purchased this product in the USA Please register this product on line at http://www.sony.com/productregistration.
Proper registration will enable us to send you periodic mailings about new products, services, and other important announcements. Registering your product will also allow us to contact you in the unlikely event that the product needs adjustment or modification. Thank you.
WARNING
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the condition that this device does not cause harmful interference.
If you have any questions about this product, you may call; Sony Customer Information Service Center
| Declaration of Conformity |
Trade Name: | SONY |
Model: | |
Responsible Party: | Sony Electronics Inc. |
Address: | 16530 Via Esprillo, San Diego, CA 92127 USA |
Telephone Number: |
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.
Before You Begin
Thank you for choosing the Sony radio!
It will give you many hours of reliable service and listening pleasure. Before operating the radio, please read these instructions thoroughly and retain them for future reference.
Features
•WEATHER/FM/AM 3 band PLL (phase locked loop) synthesized radio.
•Easy Preset Digital Tuning with 20 memory presets.
•5 direct presets calls and 1 direct
•Ergonomic Design for
Notes on AM Channel Step
The AM channel step differs depending on areas. See “Changing AM Channel Step”.
Precautions
•Operate the unit only on 1.5 V DC with one size AAA (R03) battery.
•Avoid exposure to temperature extremes, direct sunlight, moisture, sand, dust or mechanical shock. Never leave the unit in a car parked under the sun.
•Should any solid object or liquid fall into the unit, remove the battery and have the unit checked by qualified personnel before operating it any further.
•In vehicles or buildings, radio reception may be difficult or noisy. Try listening near a window.
•To clean the casing, use a soft cloth dampened with a mild detergent solution.
Notes on Headphones
Road safety
Do not use headphones while driving, cycling, or operating any motorized vehicle. It may create a traffic hazard and is illegal in many areas. It can also be potentially dangerous to play your headphones at high volume while walking, especially at pedestrian crossings. You should exercise extreme caution or discontinue use in potentially hazardous situations.
Preventing hearing damage
Avoid using headphones 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.
Caring for others
Keep the volume at a moderate level. This will allow you to hear outside sounds and to be considerate to people around you.
Warning
If there is lightning when you are using the unit, take off the headphones immediately.
If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.
Troubleshooting
Should any problem persist after you have made the following checks, consult your nearest Sony dealer.
All buttons do not operate at all.
•
Very weak or interrupted sound, or unsatisfactory reception
•Weak battery.
•In a vehicle or in a building, move closer to a window.
There is hum or noise.
• If WB/FM SENS is set to LOCAL, set to DX.
Noise occurs.
•Ensure that the unit is not near a mobile phone or any other device that emits radio waves.
Display is dim, or no indication is displayed.
•Weak battery.
•The unit is being used in extremely high or low temperatures or in a place with excessive moisture.
The station cannot be received when a PRESET TUNING (1 to 5) button is pressed.
•You chose the wrong preset number.
•The memory of the station has been initialized. Preset the station again.
The power cannot be turned on, and “
” is flashing in the display.
• The battery have been completely exhausted.
The preset stations may be initialized, if a maintenance service is performed.
Please note down your settings in case you want to preset them again.
Specifications
Time display:
Frequency range
Band | Range | Channel step |
WEATHER | 1 - 7 ch | 1 channel |
FM | 87.5 – 108 MHz | 0.1 MHz |
AM | 530 – 1 710 kHz | 10 kHz |
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Output
i(headphones) jack (ø 3.5 mm, stereo minijack)
Power output
2.8 mW + 2.8 mW (at 10 % harmonic distortion)
Power requirements
1.5 V DC, one size AAA (R03) battery
Dimensions
Approx. 83 ⋅ 63 ⋅ 32 mm (w/h/d)
(3 3/8 ⋅ 2 1/2 ⋅ 1 5/16 inches) incl. projecting parts and controls Approx. 83 ⋅ 63 ⋅ 25 mm (w/h/d)
(3 3/8 ⋅ 2 1/2 ⋅ 1 inches) not incl. projecting parts and controls
Mass
Approx. 94 g (3.32 oz.) incl. battery and belt clip.
Accessories Supplied
Stereo headphones (1)
Belt Clip (1)
Design and specifications are subject to change without notice.
Installing the Battery
(See Fig. A– )
1Open the battery compartment lid and install one size AAA (R03) battery (not supplied) with correct polarity.
When battery is first installed, “AM 12:00” flashes in the display. Once the current time is set, the flashing stops.
2Close the lid.
Battery Life (Approx. hours) |
| (JEITA*) | ||
When using | WEATHER | FM | AM | |
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Sony alkaline | 31 | 34 | 54 | |
size AAA (LR 03) | ||||
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Sony size AAA (R03) | 12 | 13 | 24 | |
*Measured by JEITA (Japan Electronics and Information Technology Industries Association) standards. The actual battery life may vary depending on the circumstance of the unit.
When to replace the battery
You can check the remaining battery power that appears in the display. The indicators are as follows:
Indicator
Full strength*
x
Weakening*
x
When the battery becomes exhausted, the unit will turn off. Replace with new battery. When you press POWER after
installing the new battery, the indicator changes to “
”. * Displayed only when the radio is turned on.
Note
Do not take more than 3 minutes to replace the battery, otherwise, your clock settings and preset stations will be initialized. Should that happen, reset the functions again.
Notes on battery
•Do not charge the dry battery.
•Do not carry the dry battery together with coins or other metallic objects. It can generate heat if the positive and negative terminals of the battery are accidentally come into contact with metallic objects.
•When you are not going to use the unit for a long time, remove the battery to avoid damage from battery leakage and corrosion.
To attach the battery compartment lid if it is accidentally detached (See Fig. A– )
The battery compartment lid is designed to come off when opened with excessive force. To put it back on, see the illustration.
1Insert one side of the lid as illustrated.
2Push the other side to attach.
A