Sony SRF-M37W User's manual

Sony SRF-M37W User's manual
PLL Synthesized Radio
Operating Instructions
“WALKMAN” is a registered trademark of Sony Corporation to represent
is a registered trademark of Sony
Headphone Stereo products.
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.
©2008 Sony Corporation
Printed in China
If there is lightning when you are using the unit, take off the headphones
If you have any questions or problems concerning your unit,
please consult your nearest Sony dealer.
For customers who purchased this product in the USA
Please register this product on line at
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.
You are cautioned that any changes or modifications not expressly
approved in this manual could void your authority to operate this
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 1-800-222-7669 or
Declaration of Conformity
Trade Name:
Responsible Party: Sony Electronics Inc.
16530 Via Esprillo, San Diego, CA 92127 USA
Telephone Number: 858-942-2230
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.
Should any problem persist after you have made the following checks,
consult your nearest Sony dealer.
All buttons do not operate at all.
• “-” is displayed. Slide the HOLD switch so that “-” disappears.
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.
” is flashing in the
The power cannot be turned on, and “
• The battery have been completely exhausted.
The preset stations may be initialized, if a maintenance service is
Please note down your settings in case you want to preset them again.
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.
• WEATHER/FM/AM 3 band PLL (phase locked loop) synthesized
• Easy Preset Digital Tuning with 20 memory presets.
• 5 direct presets calls and 1 direct weather-band button.
• Ergonomic Design for belt-holder use.
Notes on AM Channel Step
The AM channel step differs depending on areas. See “Changing AM
Channel Step”.
• 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
Time display:
12-hour system
Frequency range
1 - 7 ch
87.5 – 108 MHz
530 – 1 710 kHz
Channel step
1 channel
0.1 MHz
10 kHz
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
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
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– )
1 Open 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.
2 Close the lid.
Battery Life (Approx. hours)
When using
Sony alkaline
size AAA (LR 03)
Sony size AAA (R03)
* 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:
Full strength*
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.
Insert one side of the lid as illustrated.
Push the other side to attach.
Insert the # side of
the battery first.
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.
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.
Size AAA (R03) x 1
Preventing Accidental Change
Slide HOLD in the direction of the arrow.
“-” is displayed, indicating that all the function buttons are locked.
To cancel HOLD, slide HOLD in the opposite direction of the arrow so
that “-” disappears.
The display will flash “AM 12:00” when the battery is first inserted.
Belt clip
Each press changes the digit(s) by one.
When you keep the button pressed, the digit(s) change rapidly.
Press CLOCK.
12-hour system:
* There is a tactile dot on/beside Vol, TUNE/TIME
SET +, and the number 2 button.
Press TUNE/TIME SET + or – until the correct hour appears in
the display.
The beep sounds and the minute starts to flash.
Repeat step 2 to set the minute. After setting the
minute, press CLOCK again. The two beeps sound
and the clock starts from 0 seconds.
Hold down CLOCK for more than 2 seconds.
The beep sounds and the hour flashes in the display.
i (headphones)
“AM 12:00” = midnight
“PM 12:00” = noon
Changing AM Channel Step
The AM channel step differs depending on areas. The channel step of this
unit is factory-set to 10 kHz. Change the settings as shown below to be
able to listen to the radio.
North and South American countries
Other countries/regions
Channel step
When the AM channel step is changed, the preset stations for AM will be
Press POWER to turn off the power.
While holding down CLOCK, keep pressing POWER for more
than 5 seconds.
Two short beeps sound, and the AM channel step will be changed.
“AM 9” (or “AM 10”) is displayed for about 2 seconds.
If you proceed to step 2 again, the channel step changes again.
Improving the Reception
Extend the headphones cord which functions as the
WEATHER/FM antenna (See Fig. B- ).
AM: Rotate the unit horizontally for optimum reception.
A ferrite bar antenna is built-in the unit
(See Fig.B- ).
Using the Belt Clip
Set WB/FM SENS to LOCAL if interference is
prevalent and reception is too strong. Under
normal conditions, set it to DX.
If WB/FM SENS is set to LOCAL under normal conditions, reception
sensitivity will decrease.
Playing the Radio
To detach
— Manual Tuning
1 Connect the headphones to the i (headphones) jack.
2 Press POWER to turn on the radio.
3 Press BAND to select the band.
Each press changes the band as follows:
To change the band to WEATHER, press WB. You can return to the
previous frequency by pressing BAND.
FM1 and FM2 are differentiated only for Preset tuning. For Manual
tuning of FM stations, select either band.
To attach
Each band memorizes the frequency you had tuned previously.
Press TUNE/TIME SET + or – to tune in to the desired station.
Two short beeps sound when the minimum frequency of each band is
received during tuning.
Adjust the volume using VOL.
To turn off the radio, press POWER.
Presetting Your Favorite Station
— Preset Tuning
You can preset up to 10 stations in FM (5 stations in FM1, 5 stations in
FM2), and 5 stations in each AM, WEATHER.
Presetting a station
1 Follow steps 1 to 4 in “Playing the Radio” and manually tune
in to the station you wish to preset.
To preset another station, repeat these steps.
To change the preset station, tune in to the desired station and hold
down the preset tuning 1 to 5 button. The new station will replace the
previous station on the preset button.
Example: Display window when you preset FM
90.0 MHz in the preset tuning 2 button
for FM2.
Setting the Clock
Press the preset tuning 1 to 5 button you wish to preset for
more than a few seconds.
You will hear two confirmation beeps and preset number appears in
the display.
— HOLD Function
Tuning in a Preset Station
1 Press POWER.
2 Press BAND or WB to select the band.
3 Press the desired preset tuning button.
4 Adjust the volume using VOL.
Holding down the desired preset tuning button for more than a few
seconds will replace the previous station on the preset tuning button with
the station you tuned in to.
Using the Belt Clip
(See Fig. C)
Use the belt clip when attaching the unit to your belt.
To detach the belt clip, see fig. C- .
To attach the belt clip, see fig. C- .
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