Sony RMT-B120A Manual

The Sony RMT-B120A is a universal remote control designed for compatibility with various Sony and other brand TVs, audio/video receivers, Blu-ray/DVD players, and streaming devices. It features infrared (IR) transmission, a simplified button layout, pre-programmed codes for major brands, learning capability for custom setup, and ergonomic design. Below are key sections for overview, setup, programming, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, power button, device selection keys, navigation pad, volume/channel controls, number pad, menu/exit buttons, and learning sensor.

Feature	Description
Infrared (IR) transmission	Controls devices via line-of-sight IR signals
Multi-device control	Pre-programmed for TV, AUDIO, DVD/BD, CABLE/SAT
Learning function	Can learn commands from original remotes
Ergonomic design	Comfortable grip and intuitive button layout
Battery compartment	Holds two AAA batteries (not included)
Device selection keys	TV, AUDIO, DVD/BD, CABLE/SAT for mode switching
Navigation pad	Directional arrows and OK/Enter button
Power button	Turns selected device on/off
Volume/Channel controls	Adjusts volume and channels for TV/Audio modes
Number pad	0-9 digits for direct channel/input selection

Package Contents

Unpack and verify all items are present.

1. Sony RMT-B120A remote control unit.
2. Quick start guide.
3. Code list booklet for major brands.

NOTE: AAA batteries are not included; purchase separately.

Initial Setup

Prepare remote for first use.

1. Insert batteries: Open battery compartment, insert two AAA batteries observing polarity.
2. Select device: Press corresponding device key (TV, AUDIO, etc.) to set mode.
3. Program remote: Use auto-code search or direct code entry (see Programming section).
4. Test operation: Aim at device, press POWER to check response.

CAUTION! Use correct battery type; do not mix old/new batteries.

Specifications

• Model: RMT-B120A.
• Transmission: Infrared (IR).
• Power Source: 2 x AAA batteries (DC 3V).
• Operating Range: Approx. 8 meters (26 feet) line-of-sight.
• Compatible Devices: TVs, audio systems, DVD/Blu-ray players, cable/satellite boxes.
• Learning Function: Yes, for custom command programming.
• Pre-programmed Codes: Includes Sony, Samsung, LG, Panasonic, Vizio, etc.
• Dimensions: Standard remote size (approx. 150mm x 40mm x 20mm).
• Weight: Lightweight (with batteries).

Button Layout & Functions

Top section: Device keys (TV, AUDIO, DVD/BD, CABLE/SAT). Center: Navigation pad, OK, MENU, BACK/EXIT. Lower: Volume/Channel, MUTE, number pad, POWER.

Key Functions: TV mode controls television; AUDIO mode controls receivers/soundbars; DVD/BD for disc players; CABLE/SAT for set-top boxes. Navigation pad browses menus; OK selects. Volume/Channel adjust respective functions. Number pad enters channels or codes. POWER toggles device on/off.

Programming the Remote

Two methods: Auto-code search or direct code entry.

1. Turn on device to be controlled.
2. Press and hold device key (e.g., TV) until indicator blinks twice.
3. Enter 4-digit code from code list (e.g., Sony TV: 0001).
4. Indicator blinks twice if successful; test POWER button.
5. If no response, repeat with next code for your brand.

Auto-search: Hold device key and POWER simultaneously; release when device turns off.

Operating Devices

Select device mode first, then use corresponding buttons.

1. Switch modes: Press TV, AUDIO, DVD/BD, or CABLE/SAT key.
2. Control device: Use navigation, volume, channel, number pad as needed.
3. Power control: Press POWER to turn selected device on/off.
4. Mute: Press MUTE to silence audio; press again to restore.

Tip: Ensure remote is aimed at device's IR sensor; remove obstacles.

Learning Function

Program custom commands from original remote.

1. Place remotes head-to-head (approx. 2-3 cm apart).
2. Press and hold LEARN button (if equipped) until indicator lights.
3. On RMT-B120A, press button to be programmed.
4. On original remote, press corresponding button to transmit code.
5. Indicator blinks to confirm learning; repeat for other buttons.
6. Exit learning mode by pressing LEARN or waiting 10 seconds.

NOTE: Not all buttons may be learnable; consult manual for limitations.

Care & Maintenance

Remove batteries if not used for extended periods. Clean with dry cloth; avoid liquids.

CAUTION! Do not expose to extreme heat, humidity, or direct sunlight.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © Sony Corporation. For support, visit www.sony.com/remotesupport or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote not working	Dead batteries, obstacles	Replace batteries; ensure line-of-sight to device.
Device not responding	Incorrect code/mode	Reprogram with correct code; verify device mode is selected.
Limited range	Weak batteries, interference	Install fresh batteries; reduce IR interference sources.
Buttons unresponsive	Battery corrosion, damage	Clean battery contacts; inspect for physical damage.
Learning fails	Distance, incompatible command	Place remotes closer; ensure original remote is IR (not RF).

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

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