Sony 3F-85W Radio User Manual

The Sony 3F-85W is a versatile AM/FM portable radio with digital tuning, LCD display, built-in speaker, headphone jack, alarm clock function, sleep timer, and battery/AC power options. It features preset station memory, auto-scan tuning, and a sleek, compact design for home or travel use. 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 Alarm & Timer 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: AM/FM tuner, LCD display with clock, Speaker, Headphone jack, Power switch, Tuning/Preset buttons, Volume control, AC power input, Battery compartment.

Feature	Description
AM/FM Tuner	Digital tuning for clear reception on both bands
LCD Display	Shows frequency, time, alarm status, and battery level
Built-in Speaker	For room-filling sound
Headphone Jack (3.5mm)	For private listening
AC Power Input	For use with included AC adapter
Battery Compartment	Holds 4 x AA batteries for portable operation
Power Switch	Turns radio on/off
Preset Memory	Stores up to 10 favorite stations (5 AM, 5 FM)
Auto-Scan Tuning	Automatically finds and stops at active stations
Sleep Timer	Automatically turns off radio after set time

Installation

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

Install batteries: Open battery compartment, insert 4 AA batteries observing correct polarity.
Connect AC power: Plug adapter into DC IN jack and wall outlet (for continuous use).
Extend antenna: Fully extend telescopic antenna for best FM reception.
Position radio: Keep away from large metal objects or electronics to reduce interference.

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

First-Time Setup

Power on radio; follow initial setup steps.

Set time: Hold CLOCK button, use TUNING to set hour/minute, press CLOCK again to confirm.
Select band: Press BAND button to choose AM or FM.
Tune stations: Use TUNING buttons or AUTO SCAN to find stations.
Save presets: Tune to desired station, hold a numbered PRESET button (1-10) for 2 seconds.

CAUTION! Ensure proper ventilation; do not cover vents during operation.

Specifications

Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Power Supply: 4 x AA batteries (DC 6V) or AC adapter (input 120V AC, 60Hz).
Speaker: 8Ω, 1W output.
Headphone Output: 3.5mm stereo jack.
Display: Backlit LCD with frequency, time, and indicators.
Preset Memory: 10 stations (5 AM, 5 FM) non-volatile.
Dimensions: Approx. 180mm (W) x 110mm (H) x 65mm (D).
Weight: Approx. 0.5 kg (without batteries).
Operating Temp: 5°C to 35°C (41°F to 95°F).

Controls and Settings

Front Panel: POWER, VOLUME, BAND, TUNING (+/-), PRESET (1-10), CLOCK, ALARM SET, SLEEP.

Side/Back: Headphone jack, DC IN, Battery compartment, Telescopic antenna.

Tuning: Manual with TUNING buttons or Auto-Scan (press and hold TUNING). Volume: Adjust with VOLUME knob. Presets: Recall by pressing numbered PRESET button. Display: Shows active band, frequency, time, alarm icon, battery indicator. Settings: Time set via CLOCK button; alarm set via ALARM SET.

Connecting Devices

Headphones: Plug into 3.5mm jack (disables internal speaker). External antenna: For improved AM reception, connect wire to AM external antenna terminal (optional).

Ensure radio is off before connecting external devices.
Insert headphone plug fully into jack.
For external AM antenna, attach wire to terminal on back.

Tip: Use quality headphones for best audio experience.

Using the Alarm & Timer

Alarm: Wake to radio or buzzer. Sleep Timer: Auto power-off.

Set alarm time: Press ALARM SET, use TUNING to set hour/minute, press ALARM SET to confirm.
Select alarm source: Press ALARM SET repeatedly to choose RADIO or BUZZER.
Enable/disable alarm: Press ALARM ON/OFF button.
Set sleep timer: Press SLEEP repeatedly to set duration (10-90 minutes).
Cancel sleep timer: Press SLEEP until display shows "OFF".

WARNING! Test alarm volume before relying on it. Ensure batteries are fresh if using battery power.

Accessibility Features

Large, backlit display for easy reading in low light. Tactile buttons with distinct shapes. Headphone output for private listening. Simple, intuitive menu structure.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth for exterior. For stubborn stains, dampen cloth slightly with water; do not use solvents.

CAUTION! Never immerse radio in water. Keep liquids away from controls and vents.

Regulatory Information

FCC Part 15: Class B digital device; complies with limits for residential use. This device may not cause harmful interference and must accept any interference received. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries/power connection	Replace batteries; ensure AC adapter is plugged in securely.
Poor reception	Antenna position/location	Extend FM antenna fully; reposition radio; avoid obstructions.
No sound from speaker	Volume/mute/headphone jack	Increase volume; check if headphones are plugged in (disables speaker).
Display is dim or blank	Battery level/backlight	Replace batteries; ensure unit is powered on.
Presets lost	Battery removal	Presets are retained in memory; if lost, reprogram stations.
Alarm not sounding	Settings/power	Verify alarm is enabled and set correctly; check power source.

Reset: Remove batteries and AC power for 1 minute to reset microprocessor.

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