Maintenance and Spare Parts 
36  Cary Eclipse Fluorescence Spectrophotometer User’s Guide 
NOTE 
The brass adjustment screws for vertical and horizontal adjustment are clearly 
marked. 
 
 
Figure 5. 1) Vertical adjustment screw 2) Horizontal adjustment screw 
9  Adjust the top right screw (horizontal adjustment, labeled ‘2’ in 
Figure 5) for maximum signal (see Figure 6) with the supplied 
5.5 millimeter nut driver (you may need to adjust the y-axis 
scaling).