1327 TCS Train Control Systems / IMD4 IRC Decoder (SCALE=N) Part # 745-1327

The IMD4 IRC Decoder is a top - notch N - scale drop - in decoder designed for InterMountain locomotives. It has an interface type of Drop - In. With dimensions of 2.423' x 0.355' x 0.089' (61.55mm x 9.02mm x 2.26mm), it offers a continuous/peak current of 1.0/2.0 Amp, 4 total functions with a function rating of 80 mA. It comes with 2 12V outputs, 2 LED outputs, and 2 onboard LEDs. Compatible with InterMountain locomotives like SD40T - 2, SD45T - 2, and SD45 - 2. Key features include Back EMF Load Compensation for excellent slow - speed control, Quiet Drive for noise - free motor performance, DC Mode detection, RailCom® for communication with the command station, Variable Momentum for custom acceleration and deceleration, LED and Incandescent Bulb Support, Function Remapping, 20 Programmable Lighting Effects, Dimmable Brightness, Decoder Lock, Airwire™ Compatibility, and User - Loadable Speed Tables.

Using this IMD4 IRC decoder is quite straightforward. First, make sure your locomotive is among the compatible models like the InterMountain SD40T - 2, SD45T - 2, or SD45 - 2. Simply install the decoder as a drop - in unit. When it comes to power, the decoder can automatically detect DC power. You can customize lighting effects and speed settings according to your preferences. For speed, you can use the user - loadable speed tables to set custom curves and limits. Regarding lighting, take advantage of the 20 programmable lighting effects and dimmable brightness. When connecting LEDs, you don't need external resistors. As for incandescent bulbs, the decoder can work well with 12 - Volt ones. When programming, remember to use the decoder lock feature to prevent accidental changes. Maintenance is easy. Keep it clean and free from dust. Check the connections regularly to ensure stable performance. If you face any issues, refer to the installation pages for a full list of compatible engines and troubleshooting tips.