Sony ICF-303L Radio User Manual

The Sony ICF-303L is a portable AM/FM radio featuring a large, easy-to-read LCD display, 20 station presets (10 AM, 10 FM), built-in speaker, headphone jack, telescopic antenna, battery or AC power operation, and a compact, durable design. 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. Listening to Radio 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM Tuner, LCD Display with Clock, Preset Memory Buttons, Telescopic Antenna, Speaker, Headphone Jack, Power Switch, Volume/Tuning Control.

FeatureDescription
AM/FM TunerReceives AM and FM radio broadcasts
LCD DisplayShows frequency, time, and band information
Preset MemoryStores up to 20 stations (10 AM, 10 FM)
Telescopic AntennaExtends for improved FM reception
Built-in SpeakerProvides clear audio output
Headphone JackFor private listening (3.5mm)
Power SourcesOperates on batteries or AC adapter (optional)
Sleep TimerAutomatically turns off the radio after set time
Clock & AlarmBuilt-in digital clock with alarm function
Battery IndicatorShows remaining battery life on display

Installation

Unpack and inspect contents. Place on stable, flat surface.

  1. Install batteries: Open battery compartment, insert batteries observing correct polarity.
  2. Extend antenna: Pull telescopic antenna upward for FM reception.
  3. Connect AC adapter (optional): Plug adapter into DC IN jack and wall outlet.
  4. Position radio: Place away from large metal objects for best reception.

WARNING! Use only recommended battery type. Do not mix old and new batteries.

First-Time Setup

Power on radio; set initial configurations.

  1. Set the clock: Press CLOCK button, use TUNING to set time, press CLOCK again to confirm.
  2. Select band: Press BAND button to choose AM or FM.
  3. Tune stations: Use TUNING knob to find desired station.
  4. Set presets: Tune to station, press and hold a numbered PRESET button until display confirms.
  5. Adjust volume: Turn VOLUME knob to comfortable listening level.

CAUTION! Keep radio dry and away from heat sources.

Specifications

Controls and Settings

Front Panel: POWER switch, VOLUME knob, TUNING knob, BAND selector, PRESET buttons (1-10), DISPLAY button.

Additional Controls: SLEEP timer, CLOCK set, ALARM on/off, SNOOZE function.

Tuning: Manual with TUNING knob or direct preset selection. Display: Shows frequency, time, band, battery status, alarm indicator. Audio: Volume control only; no tone adjustment. Clock: 12/24 hour format selectable. Sleep Timer: Turns radio off after 15-90 minutes.

Connecting Devices

Headphones: 3.5mm jack for private listening. AC Adapter: Optional for mains power.

  1. Turn volume to minimum before connecting headphones.
  2. Insert headphone plug fully into jack.
  3. For AC power, ensure radio is off before connecting adapter.
  4. Select power source (battery icon shows when on batteries).

Tip: Use headphones to listen without disturbing others.

Listening to Radio

Supports AM and FM band reception.

  1. Power on: Slide POWER switch to ON position.
  2. Select band: Press BAND button for AM or FM.
  3. Tune station: Turn TUNING knob or press PRESET button for saved station.
  4. Adjust volume: Turn VOLUME knob to desired level.
  5. Save preset: Tune to station, press and hold PRESET button (1-10) for 2 seconds.
  6. Use sleep timer: Press SLEEP repeatedly to set shut-off time (15-90 min).
  7. Set alarm: Press ALARM to set wake-up time and select buzzer or radio sound.
  8. Snooze: Press SNOOZE during alarm to pause for 5 minutes.

WARNING! Do not expose to extreme temperatures. Keep antenna fully extended for best FM reception.

Accessibility Features

Large LCD Display: Easy-to-read numbers and icons. Tactile Controls: Clearly marked buttons and knobs for easy operation. Headphone Jack: Allows private listening for hearing-impaired users.

Care & Cleaning

Remove batteries before extended storage. Clean with soft, dry cloth only.

CAUTION! Do not use chemicals or abrasive cleaners. Keep away from water and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony Customer Service at 1-800-222-7669.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerDead batteries/wrong polarityReplace batteries; check correct installation.
Poor receptionAntenna position/locationExtend antenna fully; move radio to different location.
No soundVolume low/headphones plugged inIncrease volume; remove headphones if connected.
Display dim or blankWeak batteriesReplace batteries with fresh ones.
Presets lostBatteries removed too longReplace batteries and reprogram stations.
Clock incorrectPower interruptionReset clock using CLOCK button.

Reset: Remove batteries for 5 minutes to reset all settings.

Service: 1-800-222-7669; www.sony.com/electronics/support

Sony ICF-303L Radio User Manual © - All Rights Reserved 2025