4 Using The FTS
4.1 Beginning of Night Start-Up
4.2 Filling the Dewars
4.3 Aligning the Dewars
4.4 Locking the Servo System and Locating Optical ZPD
4.5 Scanning a Filter
4.6 Locating the ``Hot Spot''
4.7 Observing an Object on the Sky
4.8 If the Servo Should Unlock
4.9 End of Night Shutdown