TNG-MAN-HAN-0003
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Figure 3 - DS9 terminal with a binary star in the field
The compass is represented by the yellow axis, with the orientation shown in Figure 3.
2.2.5
Before the calibration
Few minute before the start of calibration (about 10 minutes), the observer has to turn on the
thorium lamps. If the elapsed time is less then 10 minutes a warning windows appears; in this
case the observer has to wait the time indicated in the popup window. The observer can
ignore this warning but can compromise the quality of observation.
In the Instrument control section:
1.
Click on the Turn ON button of THO1 lamp
2.
Click on the Turn ON button of THO2 lamp
3.
On the LCU Device Monitor verify the lamps status (Figure 4)
Figure 4 - LCU Device Monitor