Sony RMT-D109O Manual

The Sony RMT-D109O is a universal remote control designed for compatibility with various Sony and other brand audio/video equipment. It features infrared (IR) operation, programmable buttons, macro functions for multi-device control, a learning function to copy commands from other remotes, and backlit buttons for low-light use. Below are key sections for overview, setup, programming, operation, maintenance, and troubleshooting.

Overview and Features

Key components: Infrared transmitter, programmable device buttons, numeric keypad, navigation pad, volume/channel controls, macro buttons, learning sensor, battery compartment.

Feature	Description
Infrared Operation	Controls devices via IR signals up to 8 meters
Programmable Buttons	Can be set to control multiple brands and device types
Macro Functions	Records and executes sequences of commands across devices
Learning Function	Copies IR commands from other remotes
Backlit Buttons	Illuminated keys for use in dark environments
Device Selection	TV, DVD, CBL/SAT, AUDIO, AUX buttons for quick switching
Numeric Keypad	For direct channel/input selection
Navigation Pad	Directional controls for menus and playback
Volume/Channel Controls	Dedicated buttons for audio and channel adjustment
Power Button	Turns selected device on/off

Initial Setup

Unpack and inspect contents. Install batteries.

1. Open battery compartment: Slide cover on back.
2. Insert batteries: Use two AA batteries, observing polarity.
3. Test remote: Point at device and press POWER to verify operation.
4. Program for device: Use auto-code search or manual code entry.

WARNING! Use correct battery type; do not mix old and new batteries. Dispose of batteries properly.

Programming the Remote

Program remote to control your devices.

1. Auto-code search: Press and hold device button (e.g., TV) until LED blinks twice, then press POWER repeatedly until device turns off.
2. Manual code entry: Enter 4-digit code from code list using numeric keypad.
3. Test functions: Verify volume, channel, and menu controls work.
4. Store macro: Record sequence of commands to a macro button.

CAUTION! Keep remote and device within line of sight during programming.

Specifications

• Model: RMT-D109O.
• Power Source: 2 x AA batteries (DC 3V).
• Operating Range: Approx. 8 meters (26 feet).
• Infrared Wavelength: 940 nm.
• Compatibility: Sony TVs, DVD players, audio systems, cable/satellite boxes; other brands via code library.
• Learning Capacity: Up to 20 commands.
• Macro Memory: Stores up to 3 macros with 10 steps each.
• Dimensions: Approx. 220 mm x 50 mm x 25 mm.
• Weight: Approx. 150 g (including batteries).

Button Layout and Functions

Top row: Device buttons (TV, DVD, CBL/SAT, AUDIO, AUX). Center: Navigation pad, OK, MENU, GUIDE, INFO. Lower section: Numeric keypad, VOLUME/CHANNEL, MUTE, POWER, BACKLIGHT.

Special Functions: MACRO (record/play macros), LEARN (enter learning mode), SHIFT (access secondary functions).

Programming: Enter setup by pressing and holding device button. Use code list or auto-search. Learning: Point original remote at learning sensor, press LEARN, then press button to teach.

Using Macro Functions

Macros automate multi-step operations.

1. Record macro: Press and hold MACRO until LED lights, press device buttons in sequence, press MACRO to end.
2. Play macro: Press MACRO, then press assigned number (1,2,3).
3. Clear macro: Press and hold MACRO and number button until LED flashes.

Tip: Test macro after recording; ensure all devices are on correct input.

Learning Function

Copy commands from other remotes.

1. Enter learning mode: Press and hold LEARN until LED stays on.
2. Position remotes: Point original remote at learning sensor (front of remote).
3. Teach command: Press button on original remote, then press desired button on RMT-D109O.
4. Exit: Press LEARN to exit.

WARNING! Learning may not work with all remotes; ensure good alignment and close distance.

Battery and Power

Battery life: Approx. 6 months with typical use. Low battery indicated by dim backlight or reduced range.

CAUTION! Remove batteries if not used for extended period. Use recommended battery type.

Care & Maintenance

Clean with dry, soft cloth. Avoid liquids and abrasive cleaners.

CAUTION! Do not expose to extreme temperatures or humidity. Store in dry place.

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

Symptom	Possible Cause	Corrective Action
Remote not working	Dead batteries, obstruction	Replace batteries; ensure line of sight to device.
Device not responding	Incorrect code, distance	Reprogram with correct code; move closer to device.
Learning fails	Alignment, incompatible remote	Align sensors closely; try different command.
Macro doesn't play fully	Delay too short, device not ready	Re-record with longer pauses between steps.
Backlight not working	Battery low, button fault	Replace batteries; press BACKLIGHT firmly.

Reset: Remove batteries, press all buttons for 10 seconds, reinstall batteries.

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