Sony RMT-D229A Manual

The Sony RMT-D229A is a universal infrared remote control designed for use with various Sony audio/video equipment. It features a comprehensive button layout for TV, DVD/Blu-ray, audio system, and cable/satellite box control, with learning and macro functions, backlit keys for low-light operation, and ergonomic design. Below are key sections for overview, setup, operation, programming, troubleshooting, and specifications.

1. Overview & Features 2. Initial Setup & Battery Installation 3. Basic Operation 4. Programming the Remote 5. Learning Function 6. Macro Function 7. Button Layout & Functions 8. Care & Maintenance 9. Troubleshooting 10. Specifications 11. Regulatory & Support

Overview & Features

Key components: Infrared transmitter, LCD display, mode selection buttons (TV, DVD, AUDIO, CABLE/SAT), numeric keypad, navigation cluster, volume/channel controls, special function keys.

FeatureDescription
Universal ControlControls up to 4 devices (TV, DVD/Blu-ray, Audio System, Cable/Sat Box)
Learning FunctionCan learn commands from other remotes
Macro FunctionPrograms sequence of commands to a single button
Backlit KeysIlluminates buttons in dark environments
Ergonomic DesignComfortable grip and intuitive button layout
LCD DisplayShows active mode and status information
Device Mode ButtonsTV, DVD, AUDIO, CABLE/SAT for switching control
Direct Code EntryQuick setup using manufacturer codes
PowerPowers on/off selected device
Input SelectCycles through device input sources

Initial Setup & Battery Installation

Unpack remote and inspect contents. Install batteries before first use.

  1. Open battery compartment: Slide cover on back of remote.
  2. Insert batteries: Install two AA batteries, observing correct polarity (+/-).
  3. Close compartment: Replace cover securely.
  4. Point remote: Aim remote at device's infrared sensor within 30 feet and at an angle up to 30 degrees.

WARNING! Use only fresh batteries of the same type. Do not mix old and new batteries. Remove batteries if remote will not be used for extended periods to prevent leakage.

Basic Operation

To control a device, first select the corresponding mode on the remote.

  1. Select device mode: Press TV, DVD, AUDIO, or CABLE/SAT button. LCD will show active mode.
  2. Power on device: Press POWER button for selected mode.
  3. Control device: Use volume, channel, navigation, and playback buttons as needed.
  4. Switch modes: Press another device button to control a different component.

NOTE: Some functions (like INPUT or MENU) may vary by device brand even after programming.

Programming the Remote

Program remote to control your specific devices using code search or direct code entry.

Learning Function

Teach the RMT-D229A commands from your original remote if a code isn't available.

  1. Enter learning mode: Press and hold LEARN button for 3 seconds until LED lights steadily.
  2. Select target button: On Sony remote, press the button you want to program (e.g., INPUT).
  3. Teach command: Point original remote at Sony remote's sensor (within 1-2 inches) and press desired button. LED blinks if signal received.
  4. Store command: LED turns off. Test learned button.
  5. Exit: Press LEARN again or wait 30 seconds.

CAUTION! Ensure both remotes have fresh batteries. Avoid strong light during learning. Some proprietary functions may not be learnable.

Macro Function

Program a sequence of up to 10 commands to a single MACRO button.

  1. Enter macro record: Press and hold MACRO button until LED lights.
  2. Record sequence: Press device and command buttons in desired order (e.g., TV POWER, DVD POWER, AUDIO POWER, CABLE/SAT INPUT).
  3. Stop recording: Press MACRO again. LED turns off.
  4. Execute macro: Press MACRO once to send the entire command sequence.

Tip: Useful for turning on multiple devices and setting inputs for a home theater activity.

Button Layout & Functions

Access all functions via dedicated buttons. Front Panel: Mode selectors, Navigation cluster, Playback controls, Numeric pad, Special function keys (LEARN, MACRO, BACKLIGHT).

Primary Buttons: POWER, VOLUME +/- , MUTE, CHANNEL +/- , INPUT, MENU, GUIDE, EXIT, INFO, LAST, NAVIGATION (Up/Down/Left/Right, ENTER), PLAY, PAUSE, STOP, PREV/NEXT, REPEAT, ANGLE, SUBTITLE, AUDIO.

Settings: Backlight duration (press BACKLIGHT), reset to factory defaults (hold TV and DVD together for 5 seconds).

Care & Maintenance

Use soft, dry cloth to clean remote. Do not use liquids or abrasive cleaners.

CAUTION! Avoid dropping remote. Keep away from heat, humidity, and direct sunlight. Replace batteries promptly when low to prevent damage from leakage.

Troubleshooting

SymptomPossible CauseCorrective Action
Remote does not workDead batteries, obstacles, wrong modeReplace batteries; ensure clear line of sight; select correct device mode.
Some buttons don't workIncorrect code, learning failureReprogram using correct code; re-learn specific command.
Short operating rangeWeak batteries, dirty sensorInstall new batteries; clean remote sensor window.
Macro doesn't execute fullySequence too long, device not readyShorten macro to 10 commands; ensure devices are responsive.
Backlight not workingSetting disabled, battery saving modePress BACKLIGHT to enable; replace batteries if in power save.

Reset: To restore factory settings, simultaneously press and hold TV and DVD buttons for 5 seconds until LED flashes rapidly.

Specifications

Regulatory & Support

FCC Compliance: This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. Copyright © Sony Corporation. Sony and the Sony logo are trademarks of Sony Corporation. For support, code lists, and additional information, visit www.sony.com/remotesupport or contact Sony Customer Service at 1-800-222-7669.

Sony RMT-D229A Manual © - All Rights Reserved 2025