Changes

==Start of runOf Run==

* At the start of your run, click on the "''Advanced" '' tab. In the "''Observer Info" '' box, enter your name and run number. You can determine your run number from the triplicate "CCD and Unit Spectrograph" log book (stored in the "Log Books" section of the bookcase - behind you, if you're sitting at the SpUpNIC interface). Your run number will be one greater than the previous observer's run number, listed in the log book.

* If a grating is mounted in the spectrograph, it will be indicated at the bottom of the "''Instrument Setup" section'' pane, e.g. "''gr8" '' in the ''Grating '' field shows that G8 Grating 8 is installed. Above that is the grating ''Grating angle '' field. If you need to mount a different grating, rotate the grating to 0 degrees by entering 0 in the "''Grating angle" '' box and pressing "''Go"''.

* Once you have the correct grating in the spectrograph, enter the approximate starting angle (given in the grating table above) in the "''Grating angle" '' box and click "''Go"''. Compare the resulting arc spectrum with the arc maps in Chapter 10 of the old spectrograph manual. Automated grating angle determination is on the way, but has yet to be implemented in the quickQuick-look Look GUI.

* The software knows which order-blocking filters should be used with each grating, but it's is still a good idea to check that the correct filter is selected (refer to the table above). If necessary, select the required filter from the drop-down menu below at the grating angle control bottom of the ''Instrument Setup'' pane and click "''Go"''.

* Two arc lamps are permanently mounted in the spectrograph - you no longer need to swap out a lamp - but the arc lamp filters are still changed manually. On the spectrograph, the CuAr CuNe lamp (Lamp 1) is in the vertical horizontal housing, with two slots for filters belowin the light path. The CuNe vertically housed CuAr lamp (Lamp 2) is below above it, housed horizontally, similarly with slots for two filters in at the light pathbottom. Filter requirements are listed in the table above and the filters are stored in a small, labelled wooden box on the bench in the grating room (North-West corner of the dome).

* The arc lamps are controlled from software now decides, based on which grating is in use and the "Lamp/Mirror Settings" section of angle at which it is set (whether the SpUpNIC Control GUI: Arc 1 grating is CuNebeing used in first or second order), Arc 2 is CuAr. Click the appropriate "Change" state button which lamp to switch the desired lamp on/off, and to move once ARC is selected from the arc mirror into the beam to take an arc exposure, and out again when finished. Alternatively, click on the appropriate lamp icon in the instrument schematic ''Exposure type'' drop- this will switch down list on the lamp and insert the arc mirror into the beam''Exposure/CCD info'' pane. Having taken the arc, simply click on the arc mirror icon in the schematic to switch off the lamp and remove the arc mirror.

* The software now decidesAlternatively, based click on which grating is the appropriate lamp icon in use the instrument schematic - this will switch on the lamp and insert the angle at which it's set (whether it's being used in first or second order)arc mirror into the beam. Having taken the arc, which simply click on the arc mirror icon in the schematic to remove the arc mirror and switch the lamp off. One can also control the lamps using the ''Lamp/Mirror Settings'' pane of the SpUpNIC Control GUI. Click the appropriate ''Change'' state button to switch the desired lamp on once ARC is selected from /off, and to move the arc mirror into the beam to take an arc exposure-type drop-down list.