European Southern Observatory New Technology Telescope

General :
Observations :
Operations :

Starplate Setup

The starplates are mounted on a wheel offering 5 positions, one being always FREE. This unit corresponds to the EMMI function STAP. The starplate can be of different types: slit, MOS plate, pinhole, mask, .....

• Press EMMI emergency stop button at the center of EMMI cover.
• Get the box containing all the possible starplates from cupboard #1 or from the platform table.
• Remove the large red cover from the front of EMMI.
• From the EMMI configuration panel, select the desired position and click move to load button of STAP.
• Loosen the four clamping screws and remove the plate.
• The new starplate has to be inserted with the cut corner inside upwards.
• Push the plate fully into position to have it well positioned on the reference pin.
• Tighten the four screws with a moderate torque.
• Put back the red EMMI cover.
• Release the emergency stop button.
• Declare installed slits into EMMI config panel.
• Run RILD_img_tec_SlitAlign to align installed slits
• Check that slit position and slit encoder offset are modified consistently on EMMI config panel.
• Click Backup under File submenu.

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