4. a. To fasten the slide block to the tripod 3-axis adjustable head, verify that there is a helical insert present in
the slide block. This will allow the slide block to screw directly onto the tripod head.
Figure 5. Slide block with helical insert
Screw the slide block onto the tripod 3-axis adjustable head. Omit Step 4 Part b and proceed directly to Step5.
Figure 6. Slide block mounted to tripod 3-axis adjustable head
b. To fasten the slide block directly to the tripod, remove the helical insert and mount the slide block to the
tripod by screwing the block onto the threaded post on the top of the tripod.