Sony SRF-HM22 Radio User Manual

The Sony SRF-HM22 is a portable digital radio featuring AM/FM tuning, 20 station presets, digital display with clock, battery power indicator, built-in speaker, headphone jack, and telescopic antenna. It operates on 2 AA batteries, includes sleep timer and alarm functions, and offers easy-to-use controls for home or travel use. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

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

Installation

Unpack and inspect contents. Place on stable surface or carry using handle.

1. Install batteries: Open battery compartment, insert 2 AA batteries observing polarity.
2. Extend antenna: Pull telescopic antenna fully for best reception.
3. Connect headphones: Plug into headphone jack for private listening.
4. Power on: Press POWER button to start.

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

First-Time Setup

Power on radio; follow display prompts.

1. Set time: Press CLOCK button, use tuning keys to set hour/minute.
2. Tune stations: Use TUNING +/- to find AM/FM stations.
3. Save presets: Tune to station, press and hold PRESET number (1-20).
4. Adjust volume: Use VOLUME +/- to set desired level.

CAUTION! Do not expose to extreme temperatures; store in dry place.

Specifications

• Model: Sony SRF-HM22.
• Bands: AM (530-1710 kHz), FM (87.5-108 MHz).
• Presets: 20 (10 AM, 10 FM).
• Power Source: 2 AA batteries (DC 3V).
• Audio Output: Built-in speaker; headphone jack.
• Display: Digital LCD with backlight.
• Functions: Sleep timer, alarm, clock.
• Dimensions: Portable size with carrying handle.
• Operating Temp: 0°C to 40°C.

Controls and Settings

Access functions via front panel buttons. Front Panel: POWER, TUNING +/-, VOLUME +/-, PRESET, CLOCK, SLEEP, ALARM.

Display Indicators: AM/FM band, frequency, time, battery level, preset number.

Tuning: Manual with TUNING +/-; auto-scan by pressing and holding. Volume: Adjust with VOLUME +/-. Presets: Store by holding PRESET; recall by pressing PRESET number. Clock: Set with CLOCK button. Sleep: Press SLEEP to set timer (10-90 min). Alarm: Set alarm time and sound type (radio/buzzer).

Connecting Devices

Headphones: 3.5mm jack. External antenna: Optional AM loop antenna connector.

1. Turn off radio before connecting devices.
2. Plug headphones into jack for private listening.
3. For weak FM signal, adjust telescopic antenna direction.
4. For AM, rotate radio for best reception.

Tip: Use fresh batteries for optimal performance.

Using Radio Functions

Supports AM/FM listening with preset memory.

1. Select band: Press BAND to switch between AM and FM.
2. Tune station: Use TUNING +/- or auto-scan.
3. Save preset: Hold PRESET button until display confirms.
4. Recall preset: Press PRESET number (1-20).
5. Set sleep timer: Press SLEEP repeatedly to select duration.
6. Set alarm: Press ALARM to set time and sound source.
7. Adjust volume: Use VOLUME +/- during playback.
8. Check battery: Low battery icon appears when power is low.

WARNING! Do not use damaged headphones; keep volume at safe levels.

Accessibility Features

Large display with backlight for visibility in low light. Tactile buttons for easy operation. Headphone jack for private listening.

Care & Cleaning

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

CAUTION! Avoid water exposure; do not disassemble unit.

Regulatory Information

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

Troubleshooting

Reset: Remove batteries for 1 minute to reset microcomputer.

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