Sony SRF-X90 Owner's manual

SRF-X90 AM/FM Radio
(120-0673) Features Faxback Doc. # 19749
8 times monocular for watching sport, etc.
The AVLS (Automatic Volume Limiter System) selector to allow you to limit
the maximum volume without degrading the sound quality
Water-resistant for all-weather operation
Requires only 1.54 V DC from one size AA (R6) battery

SRF-X90 AM/FM Radio
(120-0673) Operation Faxback Doc. # 19752
Installing the Battery
Install one size AA (R6) battery with correct polarity.
1. Open the lid of the battery case.
2. Install a battery with correct polarity.
3. Close the lid.
Notes on a Battery
When the sound becomes distorted or unstable, replace the battery with new
one. For battery life, see "Specifications".
To avoid damage from battery leakage and corrosion
Remove the battery when you do not use the unit for a long time.
Playing the Radio
1. Set POWER to ON to turn on the radio.
2. Select FM or AM with BAND.
FM
DX: for FM reception, normally set it to DX position.
LOCAL: If a very strong signal causes noise, set it to
LOCAL.
AM: for AM reception.
3 Tune in the desired station with TUNE.
4 Adjust VOL (volume).
To turn off the radio set POWER to OFF.
To improve the reception
FM: Extend the headphone cord fully. It functions as an FM antenna.

AM: A ferrite bar antenna is built into the radio for AM reception.
Rotate the radio horizontally for optimum reception.
* When the AVLS selector is set either position 1 or 2, (around 95 dB,
85 dB respectively) the volume will be kept at a moderate level without
degradation of the sound quality, even if you attempt to turn the
volume up higher. When the AVLS selector is turned off, you will be
able to enjoy the full volume capability of your radio.
Using the Monocular
If the image on the monocular is not clear, turn the eyecup so that the
lens fits your eyesight and the focus is adjusted.
Adjust the focus by turning the eyecup in the direction of the arrows.
If You Wear Glasses
Bend back the eyecup outward to extend the range of vision.
NOTES: When you have used the unit in the radio or in low temperature
(at night), wipe moisture off the unit with a dry cloth and dry
it indoors. If moisture condenses on the lens, allow it to dry
naturally be exposing to air.
When the lens becomes dirty, wipe gently with a soft dry cloth.
If the dirt is excessive, use a commercially available lens
cleaner.
Glass is used for the monocular. Avoid strong shock or dropping.
Never look at the sun through the monocular. It may damage your
eyes.
Do not use for observation of the sun.
Do not use the eyecup for too long a period, as this may cause
inflammation.
Attaching the Strap
By attach the supplied strap, you can use the unit hanging from your
neck.

SRF-X90 AM/FM Radio
(120-0673) Safety Precautions Faxback Doc. # 19750
Avoid exposure to extremely high temperatures, direct sunlight, moisture,
sand, dust, or mechanical shock.
Never leave the unit in a car parked in the sun.
In vehicle or in building, radio reception may be difficult or noisy. Try
listening near a window.
If there is lightning when you are using this unit, take off the headphones
immediately.
Do not give a shock and strong vibration.
Avoid using the unit for an extended period or time in a place subject to
direct sunlight or ultra violet.
Clean the unit with a soft cloth. Never use abrasive cleansers or chemical
solvents, as they may damage the unit.
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. If
can also be potentially dangerous to play your headsets at high volume
while walking, especially at pedestrian crossings. You should exercise
extreme caution or discontinue use in potentially hazardous situation.
Preventing hearing damage
Avoid using headphones ar high volume. Hearing experts advise against
continuous, loud and extended play. If you experience a ringing in your
ears, reduce the volume or discontinue use.

SRF-X90 AM/FM Radio
(120-0673) Care and Maintenance Faxback Doc. # 19751
Keep the volume at a moderate level. This will allow you to hear outside
sounds and to be considerate of the people around you.
Do not Immerse in Water
This product is designed to be water-resistant, but should bot be
immersed in water or come in continuous contact with water.
Before installing the battery, 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 that are not
covered in this manual, please consult the nearest Sony dealer.

SRF-X90 AM/FM Radio
(120-0673) Specifications Faxback Doc. # 19753
Frequency range:
FM:.......................................................87.6 - 108 MHz
AM:......................................................530 - 1,605 KHz
Power output:..................3.6 mW + 3.6 mW (at 10% harmonic distortion)
Outputs:...........Headphones jack (stereo minijack) load impedance 16 ohms
Power requirement:.......................1.5 V DC, one size AA (R6) battery
Monocular lens:
Magnification:...................................................8 times
Diameter:..........................................................24 mm
Angle of sight:.............................................6.25 degrees
Battery life:
For FM reception:...........Approx. 35 hours with Sony SUM-3(NS) battery
For AM reception:...........Approx. 42 hours with Sony SUM-3(NS) battery
Dimension:............................... Approx. 104 x 41 x 127 mm (w/h/d)
(4 1/8 x 1 5/8 x 5 inches) incl.
projecting parts and controls
Mass:.......................Approx. 200 g (7.1 oz) incl. battery headphones
Supplied accessories:......Stereo headphones (1, Vertical-in-the-ear type),
Strap (1)
Design and specifications are subject to change without notice.
(LB/all-03/01/96)
LN-03/04