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Post by Deleted on Sept 26, 2010 3:04:10 GMT
What does it mean to 'soft reset' a train?
The driver made the announcement before stopping at Westminster (W/B) to try to remedy a door opening problem which had been affecting the train since Canning Town.
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Post by Deleted on Sept 26, 2010 6:27:43 GMT
Think of the train as being a computer. If there is a fault with it then you would want to reboot the pc. It is similar to that. We call it a TAT & TAS. There are 2 types, a full and partial. Basically, a full TAT & TAS is when the train is switched off and a partial one is when the train is still switched on.
We never do a partial one unless we are in the new TBTC mode. Come to think about it, we never do a full one in TBTC mode either (I might be mistaken on that though).
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Post by harlesden on Sept 26, 2010 6:53:11 GMT
Surely inappropriate for a driver to use the term in a PA. Which is the earliest stock to which the term could apply?
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Post by Deleted on Sept 26, 2010 6:55:36 GMT
1992ts would be the earliest.
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Post by Deleted on Sept 27, 2010 7:19:23 GMT
Surely inappropriate for a driver to use the term in a PA. Which is the earliest stock to which the term could apply? Sometimes a driver might use a technical term or more to the point slang words which drivers use when talking to one another when driving. I don't think it is a case of unprofessional, more like a slip of the tounge. I'm sure that sometimes in your line of work (whatever that maybe) you might say something to someone who is not "in the know" tha they don't understand. It just happens. |
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Post by Deleted on Sept 27, 2010 7:21:53 GMT
This full tat+tas, is that when the doors slam shut with no warning at all?
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Post by Deleted on Sept 27, 2010 7:33:01 GMT
Surely inappropriate for a driver to use the term in a PA. Which is the earliest stock to which the term could apply? Sometimes a driver might use a technical term or more to the point slang words which drivers use when talking to one another when driving. I don't think it is a case of unprofessional, more like a slip of the tounge. I'm sure that sometimes in your line of work (whatever that maybe) you might say something to someone who is not "in the know" tha they don't understand. It just happens. Indeed! On the "main site", District Dave wrote an article about how he was on the Met and the driver started going on about "sticks", "the box" and some guy coming to "clip and scotch" the "route". |
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Post by version3point1 on Sept 27, 2010 14:02:36 GMT
We never do a partial one unless we are in the new TBTC mode. Come to think about it, we never do a full one in TBTC mode either (I might be mistaken on that though). I've heard it can knock out some of the ATO equipment if you do.  This full tat+tas, is that when the doors slam shut with no warning at all? Yes – though the driver should've already made an announcement that the doors would shut suddenly, and then re-open! You also lose lighting in the carriages briefly. |
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Post by Deleted on Sept 28, 2010 11:34:02 GMT
I don't think there is an issue with such terms being used, it is nice to be given some kind of reason and told what is going on.
Thanks for the info!
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Post by Deleted on Sept 28, 2010 14:37:10 GMT
1992ts would be the earliest. The terminology used on 92s is a bit different and I don't remember anything about TAT and TAS on them (although it's a few years since I was a driver on the Central so I may have mis-remembered). TAT and TAS (stands for Traction and Auxiliary Trip and Traction and Auxiliary Set - as on older stock one might trip and reset the overloads or MAs to try to clear a problem) is terminology I only know of in relation to 95s and 96s. On the Northern I was certainly taught never to ask a driver to do a full TAT and TAS other than at a terminus, just in case it didn't all come back up properly. Soft TAT and TAS could be done anywhere. |
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Post by Deleted on Sept 28, 2010 23:08:47 GMT
This full tat+tas, is that when the doors slam shut with no warning at all? Yes – though the driver should've already made an announcement that the doors would shut suddenly, and then re-open! You also lose lighting in the carriages briefly.[/quote] As it goes, some drivers, like myself, would shut the doors normally before doing a TAT & TAS. The reason being is that if I performed a TAT & TAS and someone got trapped in the doors, I would have a lot of trouble reopening them. If I close the doors first and someone got trapped then I could reopen them without a problem. This makes it perfectly safe and nobody would get injured. Simple!!! |
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