Sony CFM-S1 Radio User Manual

The Sony CFM-S1 is a compact AM/FM radio with digital tuning, built-in speaker, headphone jack, and battery/AC power operation. It features preset stations, sleep timer, and LCD display with backlight. 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 Preset Stations 8. Power Options 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, LCD display, built-in speaker, headphone jack, telescopic antenna, AC power adapter input.

Feature	Description
AM/FM Tuner	Digital tuning for AM and FM bands
LCD Display	Shows frequency, time, and station information
Built-in Speaker	For audio playback
Headphone Jack	For private listening (3.5mm)
Telescopic Antenna	Extendable for improved FM reception
AC Power Input	For use with included AC adapter
Battery Compartment	For portable operation (batteries not included)
Preset Stations	Store up to 10 AM and 10 FM stations
Sleep Timer	Auto shut-off after set time
Backlight	Illuminates LCD display in low light

Installation

Unpack and inspect contents. Place on stable surface.

Insert batteries: Open battery compartment, insert batteries observing polarity.
Extend antenna: Pull telescopic antenna upward for FM reception.
Connect AC adapter: Plug adapter into DC IN jack and wall outlet (optional).
Connect headphones: Plug into headphone jack for private listening.

WARNING! Use correct battery type; do not mix old and new batteries. Ensure AC adapter is properly connected.

First-Time Setup

Power on radio; follow initial setup steps.

Set time: Press CLOCK button, use TUNING buttons to set time, press CLOCK again.
Select band: Press BAND button to choose AM or FM.
Tune stations: Use TUNING buttons or AUTO SCAN to find stations.
Set presets: Hold MEMORY button, then press preset number to save station.

CAUTION! Keep away from moisture and heat sources.

Specifications

Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Power Supply: DC 4.5V (3 x AA batteries) or AC adapter (included).
Speaker: 2.5 inch dynamic speaker.
Output Power: 100 mW.
Headphone Jack: 3.5mm stereo.
Dimensions: Approx. 150 x 90 x 35 mm.
Weight: Approx. 300g (without batteries).
Operating Temp: 5°C to 35°C.

Controls and Settings

Front Panel: POWER, VOLUME, TUNING, BAND, MEMORY, CLOCK, SLEEP, BACKLIGHT.

Functions: POWER turns radio on/off. VOLUME adjusts sound level. TUNING manually tunes stations. BAND switches between AM/FM. MEMORY stores presets. CLOCK sets time. SLEEP sets auto shut-off timer. BACKLIGHT illuminates display.

Settings: Time display (12/24 hour), sleep timer (15-90 minutes), backlight duration (10 seconds).

Connecting Devices

Headphones: 3.5mm jack. AC adapter: DC IN jack.

Turn off radio before connecting devices.
Plug headphones fully into headphone jack.
Connect AC adapter to DC IN jack and wall outlet for continuous use.

Tip: Use headphones for private listening; disconnect when not in use.

Using Preset Stations

Store and recall up to 10 AM and 10 FM stations.

Tune to desired station using TUNING or AUTO SCAN.
Press and hold MEMORY button until display blinks.
Press preset number (1-10) to assign station.
Recall preset: Press preset number directly or use PRESET +/- buttons.
Delete preset: Store new station over existing preset.

WARNING! Presets are cleared if batteries are removed or power is lost.

Power Options

Battery operation: Insert 3 AA batteries. AC operation: Use included adapter.

Battery life: Approx. 20 hours (alkaline batteries). Low battery indicator: Display shows battery icon when low.

Sleep timer: Press SLEEP repeatedly to set 15, 30, 45, 60, 90 minutes; radio turns off automatically.

Care & Cleaning

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

CAUTION! Do not immerse in water; avoid extreme temperatures.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries/power	Replace batteries; check AC adapter connection.
Poor reception	Antenna/location	Extend FM antenna fully; reposition radio.
No sound	Volume/mute	Increase volume; check headphone connection.
Display blank	Backlight/batteries	Press BACKLIGHT; replace batteries if low.
Presets lost	Power loss	Re-enter presets; use AC power to maintain memory.

Reset: Remove batteries for 1 minute to reset all settings.

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