Sony RMT-B109A Manual

The Sony RMT-B109A is a universal remote control designed for compatibility with various Sony and other brand TVs, audio/video components, and set-top boxes. It features infrared (IR) operation, programmable buttons, learning capability, device code setup, macro functions, backlit keys (on select models), and ergonomic design. Powered by two AAA batteries. Below are key sections for overview, setup, programming, operation, compatibility, maintenance, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, power button, device selection buttons, numeric keypad, navigation pad, volume/channel controls, menu/exit buttons, input selector, and special function keys.

Feature	Description
Infrared (IR) Operation	Wireless control up to approximately 8 meters
Device Selection Buttons	TV, DVD, CABLE/SAT, AUDIO, AUX
Programmable Buttons	Customizable for specific device functions
Learning Capability	Can learn commands from original remotes
Macro Functions	Execute multiple commands with one button press
Backlit Keys	Illuminated buttons for low-light conditions (select models)
Ergonomic Design	Comfortable grip and intuitive button layout
Battery Compartment	Holds two AAA batteries
Reset Button	Restores remote to factory default settings
Code Search	Automatically searches for compatible device codes

Package Contents

Unpack and verify all items are present.

1. Sony RMT-B109A Remote Control (1 unit)
2. User Manual (this document)
3. Two AAA batteries (may be included depending on region)
4. Warranty information card

NOTE: If any item is missing or damaged, contact your retailer or Sony support.

Initial Setup

Prepare the remote for first use.

1. Insert Batteries: Open battery compartment on back, insert two AAA batteries observing correct polarity (+/-).
2. Select Device: Press the desired device button (e.g., TV) to set remote mode.
3. Program Device Code: Use auto code search or manual code entry to sync with your device.
4. Test Functions: Point remote at device and test basic commands like POWER and VOLUME.

CAUTION! Use only recommended battery types. Do not mix old and new batteries.

Specifications

• Model: RMT-B109A
• Power Source: 2 x AAA batteries (DC 3V)
• Operating Range: Approx. 8 meters (26 feet), within 30-degree angle
• Wireless Technology: Infrared (IR)
• Compatible Devices: TVs, DVD/Blu-ray players, audio systems, cable/satellite boxes, streaming devices
• Learning Function: Yes (for select commands)
• Macro Capacity: Up to 10 commands per macro
• Backlight: Available on specific variants (check model)
• Dimensions: Approx. 155mm x 45mm x 20mm (L x W x H)
• Weight: Approx. 80g (without batteries)

Controls and Layout

Top section: POWER, DEVICE buttons (TV, DVD, CABLE/SAT, AUDIO, AUX). Center: Navigation pad (Up/Down/Left/Right, OK/ENTER), MENU, EXIT, GUIDE, INFO. Lower section: Numeric keypad (0-9), CH/PAGE (+/-), VOL (+/-), MUTE, INPUT, SUBTITLE, AUDIO, LAST, FAVORITE. Bottom: SETUP, LEARN, MACRO buttons.

Special Buttons: SETUP enters programming mode. LEARN activates learning function. MACRO records/plays macro sequences.

Programming the Remote

Sync remote with your device using codes.

1. Auto Code Search: Press and hold SETUP until device button blinks twice. Press device button (e.g., TV). Point remote at device and press POWER repeatedly until device turns off. Press SETUP to save.
2. Manual Code Entry: Find device code in code list. Press and hold SETUP, enter 4-digit code. Device button blinks twice if successful.
3. Verify: Test volume, channel, and other functions.

Tip: Keep original remote for learning function if auto/manual codes fail.

Using Macro Functions

Macros automate multiple commands.

1. Record Macro: Press and hold MACRO for 3 seconds until LED blinks. Press sequence of buttons (max 10). Press MACRO to save.
2. Assign Macro: Press MACRO, then press a device button to assign macro to that key.
3. Execute Macro: Press assigned device button to run macro sequence.
4. Clear Macro: Press and hold MACRO and SETUP simultaneously for 5 seconds.

WARNING! Ensure remote is pointed at devices during macro recording and playback.

Learning Function

Learn commands from original remotes.

1. Enter Learn Mode: Press and hold LEARN until LED lights steadily.
2. Prepare Original Remote: Place original remote 3-5 cm from RMT-B109A front, facing each other.
3. Teach Command: Press and hold target button on RMT-B109A until LED blinks. Press corresponding button on original remote. LED blinks twice if learned successfully.
4. Exit: Press LEARN to exit learning mode.

NOTE: Not all commands are learnable. Complex signals may fail.

Care & Battery Replacement

Replace batteries when remote response weakens or LED dims.

1. Open battery compartment on back.
2. Remove old batteries, dispose properly.
3. Insert new AAA batteries with correct polarity.
4. Close compartment securely.

Cleaning: Wipe with dry, soft cloth. Do not use liquids or abrasive cleaners.

CAUTION! Remove batteries if remote not used for extended period to prevent leakage.

Regulatory Information

FCC Compliance: This device complies with Part 15 of FCC Rules. Operation is subject to condition that device does not cause harmful interference. IC Compliance: Complies with Industry Canada license-exempt RSS standard(s). Sony and RMT-B109A are trademarks of Sony Corporation. For support, visit www.sony.com/remotesupport or contact Sony Customer Service at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote not working	Dead batteries, obstruction, wrong mode	Replace batteries; ensure clear line of sight to device IR sensor; press correct device button.
Cannot program device	Incorrect code, device not supported	Use auto code search; verify device compatibility; try learning function.
Learning fails	Distance, signal type, low battery	Place remotes 3-5 cm apart; ensure original remote is IR (not RF); replace batteries.
Macro not executing	Sequence too long, devices not in range	Limit to 10 commands; point remote at all devices during playback.
Buttons unresponsive	Battery corrosion, internal damage	Clean battery contacts; reset remote (press RESET with pin); contact support.

Reset: Press RESET button inside battery compartment with pin to restore factory defaults.

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