The K7D4 is a 4-function N-scale drop-in decoder designed specifically to fit Kato locomotives. Examples of compatible models include:

• Kato ACS-64
• Kato EMD SDP40F
• Kato Ge 4/4 II and III "Glacier Express"

For a complete list of compatible engines, refer to the installation pages.

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.

• Variable Momentum:
  Enables custom acceleration and deceleration curves.

• Incandescent Bulb Support:
  Compatible with 12 Volt bulbs.

• Function Remapping:
  Control lighting functions with buttons 0 through 12.

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

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

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

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

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

Specifications:

• Interface Type: Drop-In
• Dimensions (L x W x H): 2.353" x 0.413" x 0.071" (59.77mm x 10.49mm x 1.81mm)
• Scale: N Scale
• Continuous/Peak Current: 1.0/2.0 Amp
• Total Functions: 4
• Function Rating: 80 mA
• 12V Outputs: 2
• Onboard LEDs: 2

This decoder is designed to deliver exceptional performance and versatility for your N-scale Kato locomotives.