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IRSE Exam Forum › MODULES › Module 5 › Points
Points Backdrive - what is it?


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Points Backdrive - what is it?
ledwardz Offline
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#1
19-02-2021, 11:48 AM
Hello, 

not an exam question, just after some general info.

Can someone tell me what a point backdrive D switch is?

What is the point backdrive used for and how this relates to the D switch?

Thanks in advance for any info.

Lee.
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Messages In This Thread
Points Backdrive - what is it? - by ledwardz - 19-02-2021, 11:48 AM
RE: Points Backdrive - what is it? - by Jerry1237 - 19-02-2021, 03:28 PM
RE: Points Backdrive - what is it? - by ledwardz - 22-02-2021, 12:19 PM

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