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SKU: TCS1279

TCS 1279 ASD4 4-Function BEMF N Scale DCC Drop-in Decoder: Atlas GP Units

5 In Stock

One Year Goof Proof Warranty
All TCS decoders are covered by a one year goof proof warranty.

The 1279 ASD4 is a N-scale drop-in decoder for the following Atlas N Scale locomotives:


  • GP7
  • GP9
  • GP9TT
  • GP15
  • GP30
  • GP35

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

Quiet Drive: Super-quiet motor control for "buzz" free motor performance.

DC Mode: Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.

RailCom® This feature allows the decoder to talk to the command station. RailCom supports expansion for new features.

Variable Momentum: Allows you to make custom acceleration and deceleration curves.

LED Support: This product does not require external resistors when connecting LED's.

Incandescent Bulb Support: This decoder can be used with 12 Volt bulbs

Function Remapping: Buttons 0 through 12 may 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 different brightness levels for your LED's or incandescent bulbs.

Decoder Lock: Feature which prevents accidental/unwanted programming while activated.

Airwire™ Compatible: Fully compatible with Airwire™ operation.

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

Interface Type: Drop-In
Dimensions (L x W x H): 2.309" x 0.355" x 0.089" or 58.65mm x 9.02mm x 2.26mm
Scale: N Scale
Continuous/Peak: 1.0/2.0 Amp
Total Functions: 4
Function Rating: 80 mA
12V Outputs: 2
LED Outputs: 2
Onboard LEDs: 2



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