Sony Walkman SRF-M85V Radio User Manual

The Sony Walkman SRF-M85V is a portable AM/FM stereo radio with a built-in speaker, digital tuning, preset stations, auto-scan, LCD display with backlight, telescopic antenna, headphone jack, and battery operation. Features include one-touch tuning, sleep timer, and easy-to-use controls for on-the-go listening. 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 Radio Functions 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, telescopic antenna, built-in speaker, headphone jack, control buttons, battery compartment.

Feature	Description
Telescopic antenna	For improved FM reception; extend fully for best results
LCD display	Shows frequency, station preset, battery status, time
Built-in speaker	For hands-free listening without headphones
Headphone jack (3.5mm)	For private stereo listening
Battery compartment	Holds two AA batteries (not included)
POWER button	Turns radio on/off
TUNING buttons	Manual tuning up/down; hold for auto-scan
PRESET buttons	Store and recall up to 10 AM/FM stations
BAND button	Switches between AM and FM bands
VOLUME control	Adjusts sound level for speaker or headphones

Installation

Unpack and inspect contents. Ensure all parts are present.

Install batteries: Open battery compartment, insert two AA batteries observing correct polarity (+/-).
Extend antenna: Pull telescopic antenna fully out for FM reception.
Connect headphones (optional): Plug into headphone jack for private listening.
Power on: Press POWER button to turn on radio.

WARNING! Use only recommended battery type. Do not mix old and new batteries. Remove batteries if not using for extended periods.

First-Time Setup

Power on radio; follow initial setup steps.

Set time: Press and hold CLOCK button, use TUNING to set hour/minute.
Auto-tune stations: Press and hold TUNING up/down to scan and stop at active stations.
Save presets: Tune to desired station, press and hold a PRESET button (1-10) until display confirms.
Adjust volume: Use VOLUME control to comfortable listening level.

CAUTION! Keep away from moisture and extreme temperatures. Handle telescopic antenna gently.

Specifications

Model: Sony Walkman SRF-M85V.
Bands: AM (530-1710 kHz), FM (87.5-108 MHz).
Tuning: Digital PLL synthesizer system.
Presets: 10 stations (5 AM, 5 FM).
Speaker: Built-in dynamic speaker.
Output: Headphone jack (3.5mm stereo).
Display: LCD with backlight (time, frequency, battery).
Power Source: Two AA batteries (DC 3V).
Battery Life: Approx. 50 hours (backlight off, headphones).
Dimensions: Compact portable design.

Controls and Settings

Front panel: POWER, TUNING up/down, BAND, PRESET 1-10, VOLUME. Side: Headphone jack, DC IN (for optional adapter).

Display indicators: AM/FM band, frequency, preset number, battery low, backlight.

Tuning: Manual with TUNING buttons; auto-scan by holding TUNING. Presets: Store by tuning then holding PRESET; recall by pressing PRESET. Volume: Adjust with dial. Sleep timer: Press SLEEP to set 15-90 minute shut-off. Backlight: Press LIGHT to illuminate display (battery drain).

Connecting Devices

Headphones: Standard 3.5mm plug. External power: Optional AC adapter (not included) via DC IN jack.

Turn off radio before connecting external power.
Use only Sony recommended AC adapter (3V DC, center positive).
For headphones, plug in fully; volume adjusts automatically.

Tip: For best FM reception, extend antenna fully and orient vertically. AM works best without headphones plugged in.

Using Radio Functions

Supports AM/FM listening with presets and scan.

Power on: Press POWER; display shows last station.
Select band: Press BAND to toggle AM/FM.
Tune: Press TUNING up/down to change frequency manually.
Auto-scan: Hold TUNING to scan; release at desired station.
Use presets: Press numbered PRESET to jump to saved station.
Save preset: Tune station, hold PRESET until "MEMO" appears.
Sleep timer: Press SLEEP repeatedly to set 15, 30, 45, 60, 90 min; radio turns off automatically.
Backlight: Press LIGHT briefly to illuminate display for 5 seconds.

WARNING! Do not expose to rain or liquids. Avoid high volume with headphones to prevent hearing damage.

Accessibility Features

Large buttons for easy operation. Backlight for low-light viewing. Tone control not available; use headphone equalizer if supported.

Care & Cleaning

Remove batteries before cleaning. Wipe exterior with soft, dry cloth. Do not use solvents or water.

CAUTION! Never immerse in water. Keep antenna clean and dry to maintain reception.

Regulatory Information

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

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AA batteries; check polarity.
Poor FM reception	Antenna not extended	Extend antenna fully; move to better location.
No sound from speaker	Volume low/headphones plugged	Increase volume; unplug headphones.
Presets lost	Batteries removed	Presets reset when batteries die; reprogram stations.
Display dim/blank	Backlight off/low battery	Press LIGHT; replace batteries if low indicator shows.
Auto-scan not stopping	Weak signal	Manual tune; ensure area has adequate signal strength.

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

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