Sony RMT-B127T Manual

The Sony RMT-B127T is a universal infrared remote control designed for compatibility with a wide range of Sony televisions and audio/video equipment. It features a comprehensive button layout for basic TV functions, menu navigation, and device control. Below are key sections covering features, setup, operation, compatibility, battery installation, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, ergonomic button layout, code search functionality, and dedicated device control keys.

Feature	Description
Infrared (IR) Operation	Wireless control up to approximately 8 meters (26 feet)
Universal Compatibility	Pre-programmed codes for major Sony TV and device models
Code Search	Automatic scanning function to find correct device code
Direct Code Entry	Manual entry of 3-digit codes for specific devices
Power Button	Turns controlled device on/off
Number Pad	0-9 buttons for direct channel entry and code input
Navigation & Menu	Directional arrows, OK/SELECT, and MENU buttons
Volume & Channel Control	Dedicated +/- buttons for audio and channel selection
Input Select	Switches between video sources (HDMI, AV, etc.)
Mute Button	Instantly silences audio

Package Contents

Unpack and verify all items are present.

1. Sony RMT-B127T Remote Control (1 unit).
2. User Manual (this document).
3. Batteries (typically 2 x AAA) may or may not be included; check packaging.

NOTE: If batteries are not included, you will need 2 x AAA alkaline batteries.

First-Time Setup: Battery Installation

Power the remote by installing batteries correctly.

1. Locate the battery compartment on the back of the remote.
2. Slide the cover open in the direction of the arrow.
3. Insert two AAA batteries, observing the correct polarity (+/-) markings inside the compartment.
4. Close the battery compartment cover until it clicks into place.

CAUTION! Do not mix old and new batteries or different battery types. Remove batteries if the remote will not be used for an extended period.

Specifications

• Model: RMT-B127T.
• Type: Universal Infrared Remote Control.
• Power Source: 2 x AAA (1.5V) batteries.
• Operating Range: Approx. 8 meters (26 feet), angle dependent.
• Supported Devices: Sony Televisions (Bravia and others), Sony Blu-ray players, Sony audio systems.
• Weight: Approximately 100g (with batteries).
• Dimensions: Standard remote size (approx. 150mm x 40mm x 20mm).
• Warranty: Refer to Sony warranty policy for your region.

Controls and Buttons

Familiarize yourself with the remote's layout for efficient operation.

Top Section: POWER, MUTE, INPUT, SLEEP (if available).

Center Section: Number Pad (0-9), CHANNEL +/- , VOLUME +/-.

Navigation Cluster: Up/Down/Left/Right directional arrows, OK/SELECT button at center.

Bottom Section: MENU, GUIDE (or INFO), EXIT, RETURN, colored buttons (Red, Green, Yellow, Blue) for interactive services.

Special Buttons: Some models may have dedicated buttons for Netflix, YouTube, or Disney+.

Connecting & Code Setup

You must program the remote to communicate with your specific Sony device.

1. Turn on the device (TV, player, etc.) you wish to control.
2. Point the RMT-B127T remote at the device's infrared sensor.
3. Method A (Auto Code Search): Press and hold the device button (e.g., TV) and the POWER button simultaneously until the remote's LED flashes twice. Then press the POWER button repeatedly until the device turns off. Press the OK/SELECT button to store the code.
4. Method B (Direct Code Entry): Find the 3-digit code for your specific Sony model in the code list included in the manual. Press and hold the device button (e.g., TV). Enter the 3-digit code using the number pad. The remote's LED should flash twice to confirm.
5. Test basic functions (Power, Volume, Channel).

Tip: Keep the code list for future reference. If auto search fails, try direct code entry.

Operating Your TV

Once programmed, use the remote to control your Sony TV.

1. Power: Press POWER to turn TV on/off.
2. Channel Selection: Use CH+/- or enter channel number directly with number pad.
3. Volume Control: Use VOL+/- or press MUTE for instant silence.
4. Menu Navigation: Press MENU to access TV settings. Use directional arrows to navigate and OK/SELECT to confirm.
5. Input Selection: Press INPUT repeatedly to cycle through available video sources (HDMI 1, HDMI 2, AV, etc.).
6. Exit: Press EXIT or RETURN to go back or close menus.

NOTE: Some functions may vary depending on your specific TV model and firmware.

Advanced Functions & Accessibility

Programming Macros (if supported): You can program a sequence of commands to a single button (e.g., turning on TV and switching to HDMI1). Consult the advanced manual section for steps. Locking Buttons: Some models allow locking the number pad or specific keys to prevent accidental presses.

Care & Maintenance

Clean with a soft, dry cloth. Do not use solvents or abrasive cleaners.

CAUTION! Avoid exposure to extreme temperatures, humidity, direct sunlight, and water. Keep away from children and pets to prevent swallowing of batteries.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. This Class B digital apparatus complies with Canadian ICES-003. Sony and the Sony logo are trademarks of Sony Corporation. For support, visit www.sony.com/electronics/support or contact your local Sony service center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Dead batteries, obstacles, wrong code	Replace batteries; ensure clear path to IR sensor; reprogram remote with correct code.
Buttons work intermittently	Weak batteries, low battery	Install fresh AAA alkaline batteries.
Remote won't program	Incorrect procedure, device not compatible	Follow setup steps precisely from section 7. Verify device is on the compatibility list.
Some buttons don't function	Code does not support all functions	Try an alternate code for your device model from the code list.
LED does not flash	Batteries installed incorrectly, remote defective	Check battery polarity. If problem persists, remote may be faulty.

Reset: Remove batteries for 1 minute, then reinstall to perform a soft reset.

Service: For persistent issues, contact Sony Support or visit www.sony.com/support.