Changes
/* Change Log */
== Change Log ==
* '''1 June 2016:''' Disabled the grating angle change text input and button in the software, to accompany the hardware changes described below. Please call a technician if you wish to change the grating angle.
* '''26-27 May 2016:''' A mechanical brake was placed on the grating mechanism. Inside of lower box covers coated with resin to prevent dust.
* '''early May 2016:''' Lower box optics cleaned (black dust was coming from the covers).
