Bugbox M
UM-20 R4.0
Page 25 of 47
Bugbox M User Manual
Single Plate Entry System (SPES)
A SPES is provided for quick and easy direct access to the workstation chamber, for loading materials.
The SPES is also known as the mailbox.
SPES overview
The SPES consists of an external hinged flap and an internal hinged flap. The external flap is held in
place by a thumb screw when not in use. The internal flap is self-closing. Figure 16 shows the external
view of the SPES;
Figure 16: SPES external view
1.
Thumb screw.
2.
SPES external flap.
Figure 17 shows the internal view of the SPES;
Figure 17: SPES internal view
