Orion StarSeeker IV GoTo Instruction Manual page 7

Figure 7.
Attaching the star diagonal (Maksutov-Cassegrain
models only).
Figure 8.
Inserting an eyepiece into the diagonal of a Maksutov-
Cassegrain. For reflector models the eyepiece is installed directly in
the focuser's accessory collar.
a
b
Figure 9. a)
Open the battery compartment by lifting the tab.
Place the battery under the retaining clip with positive "+" side up.
Thumbscrew
Figure 10.
Slide the bracket into the telescope's dovetail finder
scope base and secure it with the thumbscrew.
Tab
Retaining
Battery
clip
("+" side up)
Dovetail
finder base
b)
7