A4X-KA

The A4X is four function HO-scale "drop-in" style mobile decoder for Atlas, Athearn, Kato, etc. locomotives.

 

Examples include the following:

Athearn:

• F59PHI
• F3

Atlas:

• RS-1/RS-3/RS-11
• C424
• GP7

Kato:

• GP35

See the installation pages for a full list of compatible engines!

 

The A4X-KA includes factory-installed Blue and Black&White wires to use when connecting Keep Alive®.

 

• 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.