Sony RMT-VB400T Manual

The Sony RMT-VB400T is a universal remote control designed for compatibility with a wide range of Sony and other brand TVs, DVD players, Blu-ray players, and audio systems. It features a user-friendly layout, learning capability, macro functions, and backlit buttons for low-light operation. Below are key sections covering overview, setup, programming, operation, and troubleshooting.

1. Features at a Glance 2. Package Contents 3. Initial Setup 4. Specifications 5. Button Layout & Functions 6. Programming the Remote 7. Advanced Functions 8. Battery Information 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Ergonomic design, LCD display (on select models), backlit keys, device selector buttons, numeric keypad, navigation cluster, and special function keys.

FeatureDescription
Universal CompatibilityControls multiple brands of TVs, DVD/Blu-ray players, audio systems
Learning FunctionCan learn commands from original remotes
Macro ProgrammingStores sequences of commands for one-touch operation
Backlit ButtonsIlluminated keys for use in dark environments
Device SelectorDedicated buttons for TV, DVD, AUDIO, CABLE/SAT
LCD DisplayShows active device and mode (on supported models)
Ergonomic DesignComfortable grip and intuitive button layout
Direct Code EntryQuick setup using manufacturer codes
Power On/OffControls power for each device type independently
Volume/Mute ControlDedicated buttons for audio adjustment

Package Contents

Unpack and verify all items are present.

  1. Sony RMT-VB400T Remote Control (1 unit)
  2. User Manual (this document)
  3. Two AAA batteries (pre-installed or included separately)
  4. Warranty information card

NOTE: Inspect for damage upon receipt. Contact retailer if any items are missing.

Initial Setup

Prepare remote for first use.

  1. Install batteries: Open battery compartment, insert two AAA batteries observing correct polarity.
  2. Test remote: Point at device, press POWER for corresponding device type (e.g., TV).
  3. Program remote: Use auto-search or direct code entry to sync with your equipment.
  4. Verify operation: Test basic functions (volume, channel, navigation).

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

Specifications

Button Layout & Functions

Top section: Device selector buttons (TV, DVD, AUDIO, CABLE/SAT). Center: Navigation cluster (Arrow keys, OK/ENTER). Lower section: Numeric keypad, volume/channel, playback controls.

Special Buttons: POWER (per device), MUTE, INPUT/SOURCE, MENU, GUIDE, EXIT, INFO/DISPLAY, BACKLIGHT (press and hold for 2 seconds).

Learning/Macro Buttons: LEARN (for learning mode), MACRO (to program sequences).

Programming the Remote

Two methods: Auto-search and Direct Code Entry.

  1. Auto-search: Press and hold device button (e.g., TV) until LED blinks twice. Point at device, press POWER repeatedly until device turns off. Press ENTER to save.
  2. Direct Code Entry: Find code for your device brand in code list. Press and hold device button until LED blinks twice. Enter 4-digit code using numeric pad. LED blinks twice if successful.
  3. Learning Function: Press LEARN, then target button. Point original remote at RMT-VB400T sensor, press desired button. LED confirms learning.

Tip: Have device model number and brand ready for code lookup.

Advanced Functions

Macro Programming: Stores multiple commands into one button.

  1. Press and hold MACRO button until LED lights.
  2. Press device button (e.g., TV) then POWER to start sequence.
  3. Press buttons in desired order (e.g., TV POWER, wait 2 sec, DVD POWER).
  4. Press MACRO again to save. Assign to a numbered macro button (M1, M2, M3).

Backlight Control: Press and hold BACKLIGHT button (if available) for 2 seconds to toggle illumination.

Factory Reset: Press and hold TV POWER and numeric 1 simultaneously for 5 seconds. LED flashes three times to confirm.

Battery Information

Use two AAA alkaline batteries. Replace when remote becomes unresponsive or LED dims.

  1. Open battery compartment on rear.
  2. Remove old batteries, dispose properly.
  3. Insert new batteries with correct polarity (+/-).
  4. Close compartment securely.

WARNING! Do not expose batteries to extreme heat or fire. Keep away from children.

Care & Maintenance

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

CAUTION! Do not disassemble remote. Keep away from moisture and direct sunlight.

Regulatory Information

FCC ID: AK8RMT-VB400T. This device complies with Part 15 of FCC Rules. Operation subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. Changes not approved by Sony may void user authority to operate equipment. Sony and the Sony logo are trademarks of Sony Corporation. For support, visit www.sony.com/remotesupport or contact 1-800-222-7669.

Troubleshooting

SymptomPossible CauseCorrective Action
Remote not workingDead batteries, obstructionReplace batteries; ensure clear line of sight to device sensor.
Cannot program deviceIncorrect code, distanceVerify code list; try auto-search; reduce distance during programming.
Buttons not respondingBattery low, need resetReplace batteries; perform factory reset.
Learning function failsOriginal remote not IR, distanceEnsure original remote uses IR (not RF); hold 2-3 inches apart during learning.
Macro not executingTiming, sequence errorReprogram macro with appropriate delays between commands.

Reset: Factory reset clears all programming. Use as last resort.

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

Sony RMT-VB400T Manual © - All Rights Reserved 2025