As an observer you will be concerned with primarily one access port,
the wiring closet. It is where you will find the Reset button for the
tracking motor. If the drive motor doesn't turn on the tracking toggle
switch is turned on, the reset button will need to be pushed. It can be found
part way up the spiral stairs on the pier (see Figure 1). Inside on
the left near the fuse box, is the Reset button in Figure 2.
For historical purposes you will want to know about the port on the
side of the telescope toward the bottom (Figure 3). That is where a
photographic corrector lens was placed. It has not been installed in
many years (decades?).
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Figure 1: The wiring closet
Figure 2: RA motor Reset button.
Figure 3: Photographic corrector lens port
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