Sony Walkman SRF-HM10 Radio User Manual

The Sony Walkman SRF-HM10 is a portable AM/FM stereo radio with digital tuning, 10 preset memory stations, LCD display with backlight, telescopic antenna, stereo headphone output, auto-scan tuning, and lock switch. Powered by 2 AAA batteries (not included). 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 Headphones 7. Tuning and Presets 8. Battery Information 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, telescopic antenna, headphone jack, tuning buttons, preset buttons, power/lock switch.

Feature	Description
AM/FM Stereo Tuner	Digital tuning for clear reception
10 Preset Memory	Store favorite stations for quick access
LCD Display with Backlight	Shows frequency, band, battery status
Telescopic Antenna	Extendable for improved FM reception
Stereo Headphone Jack	3.5mm jack for private listening
Auto-Scan Tuning	Automatically finds available stations
Lock Switch	Prevents accidental button presses
Battery Indicator	Shows remaining battery power
Power Source	2 AAA batteries (not included)
Compact Design	Portable and lightweight

Installation

Unpack and inspect contents. Ensure all components are present.

Insert batteries: Open battery compartment, insert 2 AAA batteries observing polarity.
Extend antenna: Pull telescopic antenna fully for best FM reception.
Connect headphones: Plug stereo headphones into headphone jack.
Turn on: Slide POWER switch to ON position.

WARNING! Do not use damaged batteries. Insert batteries with correct polarity (+/-).

First-Time Setup

Power on radio; follow these steps for initial setup.

Select band: Press BAND button to choose AM or FM.
Auto-scan stations: Press and hold SCAN button to automatically find available stations.
Set presets: Tune to desired station, press and hold preset button (1-10) for 2 seconds.
Adjust volume: Use VOLUME buttons to set comfortable listening level.

CAUTION! Keep away from water and extreme temperatures.

Specifications

Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Preset Memory: 10 stations (5 FM, 5 AM).
Power Requirements: 2 AAA batteries (DC 3V).
Battery Life: Approximately 40 hours (backlight off).
Headphone Output: 3.5mm stereo jack.
Antenna: Telescopic for FM, built-in ferrite bar for AM.
Dimensions: Approx. 70mm x 110mm x 25mm.
Weight: Approx. 85g (without batteries).
Operating Temperature: 0°C to 40°C.

Controls and Settings

Front Panel: POWER/LOCK switch, LCD display, BAND button, SCAN button, TUNING buttons, PRESET buttons (1-10), VOLUME buttons.

LCD Display: Shows frequency, band (AM/FM), preset number, battery status, stereo indicator.

Tuning: Manual tuning with TUNING buttons; Auto-scan with SCAN button. Presets: Store 10 stations (hold preset button). Volume: Adjust with VOLUME buttons. Lock: Slide switch to LOCK position to prevent accidental operation.

Connecting Headphones

Use standard 3.5mm stereo headphones.

Ensure radio is turned off.
Insert headphone plug fully into headphone jack.
Turn on radio and adjust volume to comfortable level.
For best stereo effect, ensure headphones are properly seated.

Tip: Use quality headphones for optimal sound quality.

Tuning and Presets

Manual and automatic tuning options available.

Select band: Press BAND to choose AM or FM.
Manual tuning: Press TUNING up/down buttons to change frequency.
Auto-scan: Press SCAN to automatically find next available station.
Store preset: Tune to station, press and hold desired preset button (1-10) for 2 seconds.
Recall preset: Press preset button briefly to select stored station.
Stereo indicator: "ST" appears on display when receiving FM stereo signal.

WARNING! Do not bend or force telescopic antenna.

Battery Information

Battery installation and maintenance.

Open battery compartment cover on back of unit.
Insert 2 AAA batteries observing correct polarity.
Close cover securely.
Battery indicator shows remaining power (full/empty symbols).
Replace batteries when sound becomes distorted or display dims.

CAUTION! Remove batteries if not using for extended period. Do not mix old and new batteries.

Care & Cleaning

Remove batteries before cleaning. Use soft, dry cloth only.

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

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. This device complies with Part 15 of FCC Rules. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AAA batteries.
Poor reception	Antenna not extended	Extend telescopic antenna fully for FM.
No sound	Volume low/headphones	Increase volume; check headphone connection.
Display dim	Low batteries	Replace batteries.
Buttons not working	Lock switch engaged	Slide lock switch to OFF position.
Cannot store presets	Incorrect procedure	Hold preset button for 2 seconds until beep.

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

Service: www.sony.com/electronics/support