Sony Walkman SRF-M37L Radio User Manual

The Sony Walkman SRF-M37L is a compact, portable AM/FM radio with a built-in speaker and headphone jack, featuring digital tuning, preset stations, auto-scan, LCD display with backlight, battery power indicator, and belt clip. Powered by 2 AAA batteries. 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. Using the Radio 8. Battery Management 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, Speaker, Headphone jack, Tuning/Volume controls, Preset buttons, Belt clip.

FeatureDescription
LCD DisplayShows frequency, preset number, battery status, and time
Built-in SpeakerFor hands-free listening
Headphone Jack (3.5mm)For private audio listening
Tuning ControlsManual tuning buttons and auto-scan function
Preset ButtonsStore and recall up to 10 AM/FM stations
Belt ClipAttach to clothing for portable use
Power SwitchTurns radio on/off
Volume ControlAdjusts audio output level
Backlight ButtonIlluminates LCD display in low light
Battery CompartmentHolds 2 AAA batteries

Installation

Unpack and inspect contents. Ensure all parts are present.

  1. Insert batteries: Open battery compartment, insert 2 AAA batteries observing polarity.
  2. Attach belt clip: Slide onto back of radio until it clicks into place.
  3. Extend antenna: Pull up telescopic antenna for better reception.
  4. Power on: Slide POWER switch to ON position.

WARNING! Do not mix old and new batteries or different battery types. Insert batteries correctly to avoid damage.

First-Time Setup

Power on radio; follow these initial steps.

  1. Select band: Press BAND button to choose AM or FM.
  2. Auto-scan stations: Press and hold TUNING+ button to scan and stop at first strong station.
  3. Set presets: Tune to desired station, press and hold a preset button (1-5) for 2 seconds.
  4. Adjust volume: Use VOLUME+/- buttons to set comfortable listening level.
  5. Set time: Press CLOCK button, use TUNING buttons to set time, press CLOCK again to confirm.

CAUTION! Keep away from water and extreme temperatures.

Specifications

Controls and Settings

Front Panel: POWER switch, VOLUME+/- buttons, TUNING+/- buttons, PRESET 1-5 buttons.

Side Controls: BAND (AM/FM), CLOCK, BACKLIGHT, RESET.

Tuning: Manual (TUNING+/-) or auto-scan (hold TUNING+). Presets: Store by holding preset button; recall by pressing once. Volume: Adjust with VOLUME+/-. Display: BACKLIGHT illuminates for 5 seconds. Clock: Set with CLOCK and TUNING buttons. Reset: Press RESET with pin to restore factory settings.

Connecting Headphones

Use standard 3.5mm stereo headphones.

  1. Ensure radio is on and volume is low.
  2. Insert headphone plug fully into jack.
  3. Adjust volume to comfortable level.
  4. To switch to speaker, remove headphones.

Tip: Using headphones may improve reception in weak signal areas.

Using the Radio

Basic operations for daily use.

  1. Power on: Slide POWER to ON.
  2. Select band: Press BAND for AM or FM.
  3. Tune station: Use TUNING+/- or auto-scan.
  4. Save preset: Hold preset button (1-5) until beep.
  5. Recall preset: Press preset button once.
  6. Adjust volume: Use VOLUME+/-.
  7. Use backlight: Press BACKLIGHT in dark.
  8. Check battery: Low battery icon appears on LCD.
  9. Power off: Slide POWER to OFF.

WARNING! Do not listen at high volume for extended periods to prevent hearing damage.

Battery Management

Battery saving tips and replacement.

  1. Use fresh alkaline batteries for best performance.
  2. Turn off when not in use.
  3. Use backlight sparingly to extend battery life.
  4. Replace both batteries when low indicator appears.
  5. Remove batteries if not using for extended period.

CAUTION! Do not recharge non-rechargeable batteries. Dispose of batteries properly.

Care & Cleaning

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

CAUTION! Do not use liquids, solvents, or abrasives. Keep away from moisture and heat sources.

Regulatory Information

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

Troubleshooting

SymptomPossible CauseCorrective Action
No powerDead batteriesReplace with fresh AAA batteries.
Poor receptionAntenna not extendedFully extend telescopic antenna; move to different location.
No sound from speakerHeadphone plugged inRemove headphones from jack.
Presets lostBatteries removedPresets are lost when batteries are removed; reprogram stations.
Display dim or blankBacklight off/low batteriesPress BACKLIGHT; replace batteries.
Buttons not respondingRadio locked upPress RESET with pin; remove/reinsert batteries.

Reset: Use RESET button with pin to restore factory defaults.

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

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