This full-featured 6-function BEMF decoder is designed to fit the following Atlas HO Scale engines: S1, S2, S3, and S4.

Key Features:

• Back EMF Load Compensation:
  Provides superior slow-speed control and high performance under load.

• Quiet Drive:
  Ensures super-quiet motor control for "buzz"-free motor performance.

• DC Mode:
  Automatically detects DC power and allows configuration of lighting effects on DC.

• RailCom®:
  Enables the decoder to communicate with the command station and supports expansion for new features.

• Variable Momentum:
  Allows creation of custom acceleration and deceleration curves.

• LED Support:
  No external resistors are required when connecting LEDs.

• Incandescent Bulb Support:
  Compatible with 12-volt bulbs.

• Function Remapping:
  Buttons 0 through 12 can be used to control the lighting functions of this decoder.

• Programmable Lighting Effects:
  Choose from 20 separate user-programmable lighting effects.

• Dimmable Brightness:
  Configure multiple brightness levels for LEDs or incandescent bulbs.

• Decoder Lock:
  Prevents accidental or unwanted programming while activated.

• Airwire™ Compatible:
  Fully compatible with Airwire™ operation.

• User-Loadable Speed Tables:
  Configure custom speed curves and set speed limits.