Sony ICF-303 Radio User Manual

The Sony ICF-303 is a portable AM/FM radio with a built-in speaker, telescopic antenna, headphone jack, and battery operation. It features manual tuning, volume control, and a compact, durable design for personal listening at home or on the go. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Using the Radio 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, built-in speaker, telescopic antenna, headphone jack, battery compartment, and control knobs.

FeatureDescription
Telescopic AntennaFor improved FM reception; extend fully for best results
AM Ferrite Rod AntennaInternal antenna for AM band reception
Headphone JackFor private audio listening (3.5mm)
Battery CompartmentHolds batteries for portable operation
DC Input JackFor optional AC adapter (not included)
TUNING KnobManual knob for selecting AM/FM stations
VOLUME KnobAdjusts sound level
BAND SwitchSelects between AM and FM bands
POWER SwitchTurns radio on/off

Installation

Unpack and inspect contents. Place on stable surface or hold securely.

  1. Install batteries: Open battery compartment, insert batteries observing correct polarity (+/-).
  2. Extend antenna: For FM listening, fully extend the telescopic antenna.
  3. Connect headphones (optional): Plug into headphone jack for private listening.
  4. Connect AC adapter (optional): Plug adapter into DC input jack and wall outlet.

WARNING! Use correct battery type; do not mix old and new batteries. Ensure proper polarity to avoid damage.

First-Time Setup

Power on radio; follow these steps.

  1. Select band: Set BAND switch to AM or FM.
  2. Tune to station: Turn TUNING knob slowly to find desired station.
  3. Adjust volume: Turn VOLUME knob to comfortable listening level.
  4. For best reception: Adjust radio position and antenna orientation.

CAUTION! Keep away from moisture and extreme temperatures.

Specifications

Controls and Settings

All controls are manual. Front/Side Panel: POWER switch, BAND switch, TUNING knob, VOLUME knob.

Operation: Turn POWER to ON, select BAND, tune with TUNING knob, adjust VOLUME. No remote control included.

Reception: Adjust telescopic antenna length and direction for FM. For AM, rotate radio for best signal.

Connecting Devices

Headphones: 3.5mm plug into headphone jack. AC Adapter: Use Sony recommended adapter (DC 3V).

  1. Turn off radio before connecting devices.
  2. Plug headphones fully into jack.
  3. For AC adapter, ensure voltage matches specification.

Tip: Use headphones to listen privately without disturbing others.

Using the Radio

Supports AM and FM band reception.

  1. Power on: Set POWER switch to ON.
  2. Select band: Choose AM or FM with BAND switch.
  3. Tune: Slowly turn TUNING knob until station is clear.
  4. Adjust volume: Set desired level with VOLUME knob.
  5. Improve reception: For FM, extend and orient telescopic antenna. For AM, move radio location.
  6. Power off: Set POWER switch to OFF when not in use.

WARNING! Do not force knobs; turn gently. Avoid exposing to water.

Accessibility Features

Large, tactile knobs for easy operation. Headphone jack for private listening. Simple controls suitable for all users.

Care & Cleaning

Remove batteries before cleaning. Use soft, dry cloth; do not use liquids or abrasive cleaners.

CAUTION! Do not immerse in water; keep battery compartment dry.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Sony Corporation; trademarks owned by Sony. For support, visit www.sony.com/electronics/support or contact Sony customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerDead batteries/switchReplace batteries; ensure POWER switch is ON.
Poor FM receptionAntenna not extendedFully extend telescopic antenna; reposition radio.
Poor AM receptionInterference/locationMove away from electronic devices; rotate radio.
No sound from speakerVolume low/headphones plugged inIncrease VOLUME; unplug headphones.
Distorted soundWeak batteriesReplace with fresh batteries.

Reset: Turn power off and on again.

Service: Contact Sony support or authorized service center.

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