Sony IGF-M50RDS Radio User Manual

The Sony IGF-M50RDS is a digital RDS (Radio Data System) clock radio with AM/FM tuner, dual alarm functionality, programmable presets, sleep timer, and auxiliary input. It features a large LCD display with adjustable brightness, battery backup for time/station memory, and a compact design suitable for bedside or desktop use. 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 Alarm Functions 8. RDS Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with integrated speakers, LCD display, Control buttons, FM/AM telescopic antenna, AUX IN jack, DC power input, Battery compartment.

Feature	Description
RDS (Radio Data System)	Displays station name and program information
Dual Alarm	Two independent alarms with radio or buzzer option
Sleep Timer	Automatically turns off radio after set time
Preset Stations	10 memory presets (5 FM, 5 AM)
AUX IN Jack	3.5mm input for external audio devices
Battery Backup	Maintains time and presets during power outage
Snooze Function	Temporarily silences alarm for extra sleep
Display Dimmer	Adjustable LCD brightness for night use
Auto Time Set	Optional synchronization via RDS time signal
Power Source	AC adapter or 3 x AA batteries (backup only)

Installation

Unpack and inspect contents. Place on flat, stable surface near power outlet.

Extend FM/AM antenna: Fully extend telescopic antenna for best reception.
Connect power: Plug AC adapter into DC IN jack on rear, then into wall outlet.
Insert backup batteries: Open battery compartment and install 3 AA batteries (optional for memory backup).
Position unit: Ensure adequate ventilation and avoid heat sources.

WARNING! Use only Sony recommended AC adapter. Do not expose to water or extreme temperatures.

First-Time Setup

Connect power; unit will enter standby mode.

Set time: Press and hold CLOCK button, use HOUR/MINUTE buttons to set current time.
Tune stations: Press BAND to select FM/AM, use TUNING buttons to find station.
Save presets: Tune to desired station, press and hold PRESET button (1-10) for 2 seconds.
Adjust display: Press DIMMER to set LCD brightness (High/Low/Off).
Enable RDS: In menu, set RDS to ON to receive station information.

CAUTION! Ensure proper ventilation; do not block rear vents.

Specifications

Tuner: FM 87.5-108 MHz, AM 530-1710 kHz.
RDS: PS (Program Service Name), CT (Clock Time), PTY (Program Type).
Alarm: Dual alarm with radio/buzzer selection, snooze (approx. 9 minutes).
Power: AC adapter (input: 100-240V, 50/60Hz; output: DC 6V).
Backup: 3 x AA batteries (not included).
Audio Output: Built-in stereo speakers.
Connections: AUX IN (3.5mm stereo jack), DC IN.
Display: LCD with time, frequency, RDS info, alarm indicators.
Dimensions: Approx. 180mm (W) x 110mm (H) x 90mm (D).
Weight: Approx. 0.8 kg (without batteries).

Controls and Settings

Front Panel: POWER, BAND, TUNING (+/-), PRESET (1-10), ALARM 1/2 SET, SNOOZE/DIMMER, CLOCK, MENU.

Top/Side: VOLUME control, AUX IN jack.

Menu Settings: Access via MENU button - RDS (On/Off), Auto Time Set (On/Off), Alarm Sound (Radio/Buzzer), Beep (On/Off), Reset. Alarm Setup: Press and hold ALARM 1 or 2, set time with HOUR/MINUTE, select source. Sleep Timer: Press SLEEP repeatedly to set duration (10-90 minutes).

Connecting Devices

AUX IN: Connect external audio source (MP3 player, smartphone) via 3.5mm cable.

Ensure radio is off or in standby.
Connect cable from device's headphone jack to AUX IN on radio.
Press BAND repeatedly until "AUX" appears on display.
Control volume from radio; start playback on external device.

Tip: For best audio quality, set external device volume to about 80% and adjust with radio's VOLUME control.

Using Alarm Functions

Dual alarms with independent settings.

Set Alarm 1: Press and hold ALARM 1, use HOUR/MINUTE to set time, press ALARM SOUND to select Radio or Buzzer.
Set Alarm 2: Repeat for ALARM 2.
Enable/Disable: Press ALARM 1 or 2 briefly to toggle ON/OFF (icon shows on display).
Snooze: When alarm sounds, press SNOOZE for extra 9 minutes sleep (repeatable).
Stop Alarm: Press POWER or any button except SNOOZE.
Wake to Preset: If radio selected, alarm will play last listened station or specific preset.

WARNING! Test alarm function after setup. Backup batteries ensure alarms function during brief power outages.

RDS Features

RDS provides enhanced radio information when tuned to RDS-equipped FM stations.

PS (Program Service): Displays station name (e.g., "BBC RADIO 1").
CT (Clock Time): Can automatically update clock if Auto Time Set is enabled.
PTY (Program Type): Shows genre (News, Rock, Classical, etc.).
Radio Text: Some stations broadcast song titles or news headlines (if supported).

To use: Ensure RDS is ON in menu. Tune to RDS station; information will appear on display. For time sync: Enable Auto Time Set in menu.

Care & Cleaning

Disconnect power before cleaning. Use soft, dry cloth. For stubborn marks, dampen cloth slightly with water; never use solvents.

CAUTION! Do not allow moisture into openings. Never immerse unit. Clean controls gently to avoid damage.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC Rules. Operation is subject to interference that may cause undesired operation. CE Mark: Complies with European directives. Sony and IGF-M50RDS are trademarks of Sony Corporation. For support, visit www.sony.com/support or contact Sony Customer Service at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check AC adapter is firmly connected; try different outlet.
Poor FM reception	Antenna position	Fully extend antenna; reposition unit; avoid obstructions.
Alarm not sounding	Settings/power	Verify alarm is ON; check volume; ensure power connected.
No sound from AUX	Connection/source	Ensure cable is secure; source is playing; BAND set to AUX.
Display dim or blank	Brightness setting	Press DIMMER to cycle brightness settings; check power.
Time resets	Backup batteries	Replace backup batteries; ensure proper installation.
RDS not showing	Station/settings	Tune to RDS station; ensure RDS is ON in menu.

Reset: Menu > System > Reset All to factory defaults (clears presets and settings).

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