Block Animator/2 version "SBCA" (use with external detectors)
Block Animator/2 using external detectors (NOT included). Controls TWO Tomar semaphore motors, bulb-based signals, or LED-based position light signals wired with a common anode. Special features (not used with semaphore motors) which can be turned on or off include signal fading when changing aspects (colors), flashing yellow aspect, and approach lighting (signals dark until train approaches).
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