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The IMF4 is a N-scale drop-in decoder which is designed for InterMountain F-unit locomotives. Examples include the following:
InterMountain:
- F3A/B
- F7A/B
- F9B
NOTE: This version of the IMF4 is designed for the older style InterMountain frame where the motor is connected to the control board via brass motor feet.
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Back EMF Load Compensation: Provides superior slow speed control and high performance under load.
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Quiet Drive: Super-quiet motor control for "buzz" free motor performance.
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DC Mode: Decoder will automatically detect DC power. You can also configure how your lighting effects function on DC.
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RailCom®: This feature allows the decoder to talk to the command station. RailCom supports expansion for new features.
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Variable Momentum: Allows you to make custom acceleration and deceleration curves.
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LED Support: This product does not require external resistors when connecting LED's.
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Incandescent Bulb Support: This decoder can be used with 12 Volt bulbs.
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Function Remapping: Buttons 0 through 12 may be used to control the lighting functions of this decoder.
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Programmable Lighting Effects: Choose from 20 separate user-programmable lighting effects!
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Dimmable Brightness: Configure multiple different brightness levels for your LED's or incandescent bulbs.
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Decoder Lock: Feature which prevents accidental/unwanted programming while activated.
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Airwire™ Compatible: Fully compatible with Airwire™ operation.
- User-Loadable Speed Tables: Configure custom speed curves and set speed limits.
Specs:
- Interface Type: Drop-In
- Dimensions (L x W x H): 2.158" x 0.47" x 0.179" or 54.81mm x 11.93mm x 4.54mm
- Scale: N Scale
- Continuous/Peak: 1.0/2.0 Amp
- Total Functions: 3
- Function Rating: 80 mA
- 12V Outputs: 4
- LED Outputs: 4