Subject: Switching out the gratings on DIS; from Mark Klaene

From: Michael Strauss

Submitted: Wed, 16 Apr 1997 18:54:29 -0400 (EDT)

Message number: 33 (previous: 32, next: 34 up: Index)

  They will probably replace
>permanently the current low dispersion set since there is no easy way to
>switch out gratings at night.

Mike Carr showed us the proceedure when they delivered DIS and it appeared
that a grating swap was about a 10-15 minute job (less than the instrument
change)


mark
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