Sony SRF-HM10 Radio User Manual

The Sony SRF-HM10 is a compact, portable AM/FM radio with digital tuning, built-in speaker, headphone jack, and LCD display. It features preset stations, auto-scan tuning, sleep timer, and battery power operation. 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. Operation Guide 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

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

Feature	Description
AM/FM Tuner	Digital tuning for AM and FM bands
LCD Display	Shows frequency, time, battery status, and station presets
Built-in Speaker	For audio playback without headphones
Headphone Jack (3.5mm)	For private listening
Telescopic Antenna	Extendable for improved FM reception
Preset Stations	Memory for storing favorite stations
Auto-Scan	Automatically finds and stores available stations
Sleep Timer	Turns off radio after set time
Battery Power	Operates on AA batteries (not included)
Power Switch	Turns radio on/off

Installation

Unpack and inspect contents. Place on stable surface.

Install batteries: Open battery compartment, insert AA batteries observing correct polarity.
Extend antenna: Pull out telescopic antenna for FM reception.
Connect headphones: Plug into headphone jack if desired.
Power on: Slide POWER switch to ON position.

WARNING! Use correct battery type; do not mix old and new batteries. Keep away from water.

First-Time Setup

Power on radio; follow these steps.

Set time: Press and hold CLOCK button, use TUNING buttons to set time.
Select band: Press BAND button to choose AM or FM.
Auto-scan stations: Press and hold SCAN button to automatically find and store stations.
Save presets: Tune to desired station, press and hold a number button (1-5) to save.

CAUTION! Ensure batteries are properly installed; avoid extreme temperatures.

Specifications

Model: Sony SRF-HM10.
Tuning Range: FM 87.5-108 MHz, AM 530-1710 kHz.
Power Supply: 2 x AA batteries (DC 3V).
Battery Life: Approximately 50 hours (varies by usage).
Speaker: 40mm dynamic speaker.
Headphone Output: 3.5mm stereo jack.
Dimensions: Approx. 120mm (W) x 70mm (H) x 30mm (D).
Weight: Approx. 150g (without batteries).
Operating Temp: 0°C to 40°C.

Controls and Settings

Access functions via front panel buttons. Front Panel: POWER, BAND, SCAN, TUNING (UP/DOWN), PRESET (1-5), CLOCK, SLEEP.

Display Indicators: Frequency, band (AM/FM), battery level, preset number, time.

Tuning: Manual with TUNING buttons; auto with SCAN. Presets: Store up to 5 stations per band. Sleep Timer: Set 15-90 minutes in 15-min increments. Clock: 12/24 hour format. Volume: Adjust with VOLUME knob.

Connecting Devices

Headphones: 3.5mm jack. External antenna: Not supported; use telescopic antenna only.

Turn off radio before connecting headphones.
Plug headphones firmly into jack.
Adjust volume to comfortable level.

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

Operation Guide

Basic operations for daily use.

Power on: Slide POWER switch; display lights up.
Select band: Press BAND to toggle AM/FM.
Tune station: Use TUNING buttons or SCAN for auto-search.
Recall preset: Press numbered PRESET button (1-5).
Adjust volume: Turn VOLUME knob clockwise to increase.
Set sleep timer: Press SLEEP repeatedly to select duration.
Check time: Press CLOCK briefly to display time.
Power off: Slide POWER switch to OFF.

WARNING! Do not expose to rain or moisture; keep antenna fully extended for best FM reception.

Accessibility Features

Large buttons for easy operation. LCD backlight for low-light viewing. Tactile volume knob.

Care & Cleaning

Remove batteries before cleaning. Use dry, soft cloth; no liquids or chemicals.

CAUTION! Do not immerse in water; avoid abrasive cleaners.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Dead batteries	Replace with fresh AA batteries; check polarity.
Poor reception	Antenna not extended	Fully extend telescopic antenna; move to different location.
No sound	Volume low/mute	Increase volume; check headphone connection.
Display blank	Battery issue	Replace batteries; ensure contacts are clean.
Presets lost	Batteries removed	Presets are lost when batteries are removed; reprogram stations.

Reset: Remove batteries for 1 minute, then reinstall.

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