Sony RMT-D124A Manual

The Sony RMT-D124A is a universal infrared remote control designed for compatibility with various Sony audio/video equipment. It features a comprehensive button layout for basic TV functions, dedicated input selection, numeric keypad, volume/channel controls, menu navigation, and special function keys. Powered by two AAA batteries. Below are key sections for overview, features, setup, operation, compatibility, maintenance, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, ergonomic button layout, LCD display (if applicable), battery compartment.

Feature	Description
Power Button	Turns compatible Sony devices on/off
Input Select	Cycles through available input sources (TV, AV, HDMI, etc.)
Numeric Keypad (0-9)	Direct channel entry and menu navigation
Volume Controls (+/-)	Adjusts audio output level
Channel Controls (+/-)	Scrolls through channels
Navigation Arrows	Up, Down, Left, Right for menu control
OK/Enter Button	Selects menu options
Menu Button	Accesses device settings menu
Mute Button	Instantly silences audio
Return/Exit Button	Goes back to previous menu or exits

Package Contents

Unpack and verify all items are present.

1. Sony RMT-D124A Remote Control (1 unit)
2. User Manual (this document)
3. Warranty Information Card

NOTE: Batteries are typically not included. Requires 2 x AAA batteries.

Battery Installation

Power on remote; follow steps below.

1. Locate battery compartment on rear of remote.
2. Slide cover open in direction of arrow.
3. Insert two AAA batteries, observing correct polarity (+/-).
4. Close battery compartment cover securely.

CAUTION! Do not mix old and new batteries. Do not use different battery types. Remove batteries if remote will not be used for extended periods.

Specifications

• Model: RMT-D124A
• Type: Universal Infrared Remote Control
• Power Source: 2 x AAA batteries (1.5V each)
• Operating Range: Approx. 7 meters (23 feet) at 30° angle
• Infrared Wavelength: 940 nm
• Compatible Brands: Primarily Sony; may work with other brands via code search
• Supported Devices: TVs, DVD/Blu-ray players, audio systems, set-top boxes
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Dimensions (approx.): 150 mm x 50 mm x 20 mm (W x H x D)
• Weight (without batteries): Approx. 80 g

Button Layout & Functions

Top section: POWER, INPUT, MUTE. Middle: Numeric keypad (0-9), CH/PAGE (+/-), VOL (+/-). Lower: Navigation arrows (Up/Down/Left/Right), OK, MENU, RETURN, dedicated playback controls (PLAY, PAUSE, STOP, FF, REW) if applicable.

Special Buttons: GUIDE (access electronic program guide), INFO/DISPLAY (show status), SUBTITLE (toggle subtitles), AUDIO (change audio track/language).

Button backlighting (if equipped): Activates when any button is pressed in low light.

Setup & Code Entry

To program remote for your device:

1. Turn on the device (TV, player, etc.) you wish to control.
2. Point remote at device.
3. Press and hold the device key (e.g., TV, DVD) and POWER simultaneously until indicator light blinks twice.
4. Enter 3-digit manufacturer code for your device (see code list in appendix).
5. Indicator light blinks twice again to confirm.
6. Test remote functions (Power, Volume).

Auto Code Search: If code unknown, use auto search: Hold device key and OK until light blinks, then repeatedly press POWER until device turns off, then press OK to store.

Basic Operation

Ensure remote is pointed at device's IR sensor.

1. Power: Press POWER to turn device on/off.
2. Volume: Use VOL +/- to adjust.
3. Mute: Press MUTE to silence; press again to restore.
4. Channel: Use CH +/- or enter number directly.
5. Input: Press INPUT repeatedly to cycle sources.
6. Menu: Press MENU to access settings; use arrows and OK to navigate.

Tip: Keep remote pointed directly at device; avoid obstacles between remote and device.

Advanced Functions

Macro Programming (if supported): Record sequence of commands to single button.

1. Press and hold MACRO (or LEARN) button until light blinks.
2. Press button you wish to assign sequence to.
3. Press sequence of remote buttons (e.g., POWER, INPUT, 1).
4. Press MACRO again to save.

Device Control Lock: Prevents accidental button presses. Hold LOCK button for 3 seconds to enable/disable.

Reset to Factory Defaults: Simultaneously press and hold POWER, 1, and 7 for 5 seconds until light flashes rapidly.

Care & Maintenance

Use soft, dry cloth to clean remote. For stubborn stains, dampen cloth slightly with water; do not use solvents.

CAUTION! Do not expose to extreme heat, humidity, or direct sunlight. Do not disassemble. Keep away from liquids.

Regulatory Information

FCC Part 15: This device complies with Part 15 of FCC Rules. Operation is subject to condition that device does not cause harmful interference. ICES-003: Complies with Canadian ICES-003. Waste Electrical: Dispose according to local regulations; do not dispose with household waste. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact Sony Customer Service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote not working	Dead batteries, obstacles, wrong code	Replace batteries; clear line of sight; reprogram with correct code.
Intermittent operation	Weak batteries, low battery, distance	Replace batteries; move closer to device (within 7m).
Buttons not responding	Sticky buttons, dirt, internal fault	Clean buttons with dry cloth; if persists, contact service.
Cannot program device	Incorrect code, device not compatible	Use auto code search; verify device is on supported list.
IR indicator not lighting	Batteries inserted incorrectly, dead batteries	Check polarity; replace batteries.

Reset: Perform factory reset as described in Advanced Functions.

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