Date: Sun, 12 Jan 2003 17:08:21 -0500 (EST)
From: jegunn
Subject: RE: 01-04-03 telescope eng report
yes, I agree. I like systems in which the software remembers and the
people check, because software is better at remembering and people are
better at checking.
--jim
On Sun, 12 Jan 2003, Scot Kleinman wrote:
> >From jeg@astro.princeton.edu  Sun Jan 12 14:41:35 2003
>
> >the procedure the observers actually
> >use seems safer to me. I know it is claimed that the slithead
> >latches will support the cartridge, but they were certainly not
> >intended to do so.
> >
> >--jim
>
>
> My argument was not when the slithead latches are hand-latched (before
> lowering the lift or afterwards), but that they should indeed be latched by
> hand in all cases. The gotoField slit latching was meant to be an emergency
> backup to make sure the slitheads get latched properly if the observers
> forget. It fails to be that if we rely on it for latching all the time.
>
> Why might the gotoField latching fail? Gosh, I don't know - but it's software
> and I usually trust well-trained people in place of software in most
> instances.  (Although, since I don't trust people un-conditionally, I like
> using software as a backup.  Really, it makes sense...:>)
>
> Scot
>
>
>