European Southern Observatory New Technology Telescope

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Neutral Densities Setup

The neutral densities can be mounted either in the red or blue arm of EMMI. The EMMI function corresponding to these wheels are respectively BSLR and BSLB.

• Press EMMI emergency stop button at the center of EMMI cover.
• Get the boxes containing the below slit filters from cupboard #1.
• Open blue or red cover.
• Remove the filter at the loading position if any.
• Use the small handle to take the filter out of the box and slide it in the wheel.
• Restore carefully the removed filter in the box.
• Put back EMMI cover.
• Release the emergency stop button.
• Declare the new configuration in BELOW SLIT FLTR (blue and/or red) area of EMMI configurarion panel.
• Click Backup under File submenu.

Send comments to: NTT Webmasters <nttweb@www.ls.eso.org> Last Update: Feb 20, 2000 (GM)