03-05-2013, 12:08 PM
Can someone help explain what function of "disengaged by" in track circuits of signal controls?
What is relationship of "disengaged by" to entrance signal?
What relationship between "disengaged by" and wheel replacement?
Thank you.
What is relationship of "disengaged by" to entrance signal?
What relationship between "disengaged by" and wheel replacement?
Thank you.