Power cable for the vacuum gauge. Connect optic fibres 1 and 2 to the CCD controller box. Connect the two cables for the sky baffle calibration lamps. Check the telescope balance. Cassegrain Mode and Sky Baffle.
All cables have to be tied up properly.
The Hartmann Test is used to focus the camera. Turn the flat field lamp on, or slightly open the dome door. With only the sky baffle cover open, you get enough light. After you take the first exposure with Hartmann 1, change to Hartmann 2 and take another exposure. Slit Alignment Spectroscopic slits have to be aligned along CCD rows.