FM Stereo/AM PLL Synthesized Radio
Operating Instructions
Sony Corporation © 1996 Printed in Taiwan, R.O.C.
SRF-M78
3-856-100-25 (1)
FM/AM
w
WALKMAN is a
registered trademark
of Sony Corporation
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
• FM stereo/AM PLL (Phase Locked Loop) synthesized radio.
• Up to 10 stations (5 for each band FM or AM) can be stored for button-touch tuning -
memory preset tuning.
• Easy attachable wraparound arm band.
• Water-resistant for all-weather use.
Notes on AM Channel Step
The AM channel step differs depending on the area. The Channel step of this unit is
factory-set to 10 kHz.
Area
North and South American countries
Other countries
Precautions
• Operate the unit only on 3 V DC with two size AAA (R03) batteries.
• The name plate indicating operating voltage, etc. is located at the rear.
• Avoid exposure to temperature extremes, direct sunlight, moisture, sand, dust, or
mechanical shock. Never leave in a car parked in the sun.
• Should anything fall into the unit, remove the batteries, and have the unit checked by
qualified personnel before operating it any further.
• To clean the casing, use a soft cloth dampened with a mild detergent solution.
• In vehicles or buildings, radio reception may be difficult or noisy. Try listening near a
window.
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 immedi-
ately.
Do not Immerse in Water
This product is designed to be water-resistant, but should not be immersed in water
or come in continuous contact with water.
• Before installing the batteries, be sure to wipe off drops of water on the unit.
• The supplied headphones are not meant to be immersed in water or come in
continuous contact with water, if they get wet, dry them with a soft cloth. Never
use an electric hair dryer while wearing the headphones.
If you have any questions or problems concerning your unit, please consult your nearest
Sony dealer.
Specifications
Time display:
12-hour system
Frequency range:
Frequency
Channel step
FM : 87.5 - 108 MHz
0.1 MHz
AM: 530 - 1710 kHz
10 kHz
FM : 87.5 - 108 MHz
0.05 MHz
*
AM: 531 - 1710 kHz
9 kHz
*
The frequency display is raised or lowered by steps of 0.1 MHz.
(Example: Frequency 88.05 MHz is displayed as “88.0 MHz”.)
Output:
2
jack (stereo minijack)
Power output:
15 mW + 15 mW (at 10 % harmonic distortion)
Power requirements:
3 V DC, two size AAA (R03) batteries
Battery life:
Using Sony batteries UM4(NU)
FM : Approx. 13 hours
AM: Approx. 20 hours
Dimensions:
Approx. 105 x 68 x 38.6 mm (w/h/d)
(4
1
/
8
x 2
3
/
4
x 1
1
/
2
inches) excl.
projecting parts and controls
Mass:
Approx. 85 g (3 oz) not incl. batteries
Accessories supplied:
Stereo headphones (1, vertical-in-the-ear type)
Arm band (1)
Design and specifications are subject to change without notice.
Channel step
10 kHz
9 kHz
WARNING
You are cautioned that any changes or modifications not expressly approved in this
manual could void your authority to operate this equipment
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 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 receprion, which
can be dermined 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:
–– Reorient or relocate the receiving antenna.
–– Increase the separation between the equipment and receiver.
–– 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.