Hach-Lange FILTERTRAK FT 660 sc Basic User Manual - Manual (Page 6)

The status light on the head assembly is illuminated when an error
occurs and flashes when a warning occurs or the head assembly is not
installed correctly.
The back of the head assembly has a molded "lip" that may be used to
hang the head on the edge of the body of the instrument during
maintenance.
Figure 1 Instrument overview
1 Status light 5 Drain fitting
2 Power light 6 Drain plug
3 Mounting bracket 7 Body of the instrument
4 Sample inlet fitting 8 Head assembly
Product components
Make sure that all components have been received ( Figure 2 ). If any
items are missing or damaged, contact the manufacturer or a sales
representative immediately.
Figure 2 Instrument components
1 FT660 sc turbidimeter 2 800 mNTU StablCal ® Certified
Standard
6 English