Sony RMT-D120A Manual

The Sony RMT-D120A is a universal infrared remote control designed for compatibility with various Sony audio/video components. It features a comprehensive button layout for basic TV functions, DVD/Blu-ray player control, audio system operation, and device input selection. Below are key sections covering features, setup, programming, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Infrared transmitter, mode selection buttons, numeric keypad, navigation pad, dedicated function keys.

Feature	Description
Universal Compatibility	Controls multiple Sony devices (TV, DVD, Audio System, etc.)
Mode Selection	Dedicated buttons for TV, DVD, AUDIO, and custom device modes
Numeric Keypad	For direct channel entry and disc chapter/track selection
Navigation Pad	Directional arrows and Enter/OK button for menu navigation
Volume & Channel Control	Separate +/- buttons for volume and channel adjustment
Input Select	Quick switching between video/audio sources
Playback Controls	Play, Pause, Stop, Skip (Previous/Next) for media players
Menu & Guide	Access to on-screen menus and electronic program guide
Power Control	Separate power buttons for each device mode
Backlight (if applicable)	Illuminates buttons in low-light conditions

Package Contents

Unpack and verify all items are present.

• Sony RMT-D120A Remote Control (1)
• User Manual (this document)
• Two AAA batteries (may vary by region)
• Warranty information card

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

Battery Installation

Install batteries before first use.

1. Slide the battery cover on the rear of the remote downward to open.
2. Insert two AAA batteries, observing correct polarity (+/- markings).
3. Replace the cover by sliding it upward until it clicks into place.

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

Remote Control Layout

Familiarize yourself with the button functions.

Top Section: Mode buttons (TV, DVD, AUDIO, CUSTOM), Power buttons per mode.

Center Section: Navigation pad (Up/Down/Left/Right, OK/Enter), Menu, Guide, Return/Exit.

Lower Section: Numeric keypad (0-9), Volume/Channel controls, Mute, Input/AV, Playback controls (Play, Pause, Stop, Skip), Audio/Subtitle (if supported).

CAUTION: Handle with care; avoid dropping or exposing to liquids.

Initial Setup & Device Programming

Program the remote to control your Sony devices.

1. Turn on the device you wish to control (e.g., your TV).
2. Press and hold the corresponding mode button (e.g., TV) on the remote for 3 seconds until the LED blinks twice.
3. Enter the 3-digit device code for your Sony model (see code list in manual appendix or online).
4. The LED will blink twice again to confirm successful programming.
5. Test basic functions (Power, Volume) to ensure proper operation.

Tip: If the code does not work, try the automatic code search function (see advanced setup).

Basic Operation

Using the remote after successful programming.

1. Select the device mode by pressing TV, DVD, AUDIO, or CUSTOM.
2. Point the remote directly at the infrared sensor on your device.
3. Press desired function buttons (e.g., Power to turn on, Volume to adjust).
4. For menu navigation, use the arrow keys and OK/Enter.
5. To switch inputs on your TV/AV receiver, press the Input/AV button repeatedly.

NOTE: Ensure there are no obstructions between the remote and the device.

Advanced Functions

Macro programming and code search.

Macro (One-Touch) Programming: Program a sequence of commands to a single button (e.g., "Watch DVD" turns on TV, switches to correct input, and turns on DVD player). Refer to the advanced programming guide.

Automatic Code Search: If you don't know the device code:

1. Turn on the device.
2. Press and hold the device mode button until LED stays on.
3. Press Power repeatedly until the device turns off.
4. Press OK/Enter to store the code.

Factory Reset: Clears all programmed codes. Press and hold TV and DVD buttons together for 5 seconds until LED flashes three times.

Care & Maintenance

Unload batteries before cleaning. Use a soft, dry cloth to wipe the surface.

CAUTION! Do not use abrasive cleaners, solvents, or excessive moisture. Keep away from heat sources and direct sunlight.

Specifications

• Model: RMT-D120A
• Type: Universal Infrared Remote Control
• Power Source: 2 x AAA batteries (1.5V each)
• Operating Range: Approx. 7 meters (23 feet), angle approx. ±30 degrees
• Infrared Wavelength: 940 nm
• Supported Devices: Sony TVs, DVD/Blu-ray players, Audio Systems, Set-top Boxes
• Dimensions (approx.): 150 mm x 50 mm x 20 mm (W x H x D)
• Weight (with batteries): Approx. 100 g
• Operating Temperature: 0°C to 40°C (32°F to 104°F)

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/support or contact Sony Customer Service at 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Weak/dead batteries, obstruction, incorrect mode	Replace batteries; point directly at device sensor; select correct device mode.
Some buttons not working	Incorrect device code programmed	Reprogram remote with correct device code.
Short operating range	Low batteries, weak IR signal	Replace batteries; reduce distance/angle to device.
LED does not blink during programming	Batteries inserted incorrectly	Check battery polarity and reinstall.
Cannot program device code	Device not supported, code list outdated	Try automatic code search; check Sony website for latest codes.
Macro function not working	Sequence programmed incorrectly	Clear macro and reprogram, ensuring proper delays between commands.

Reset: Perform factory reset if remote behaves erratically.

Service: For persistent issues, contact Sony Support: 1-800-222-7669; www.sony.com/support