Installation Instructions
WVR6UP, WVR70UP, and WVR7UP Upgrades
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10. Perform the following steps to install the new Loop-through board:
a. Insert the new Loop-through board (part number 679-9935-XX) from
this kit into position, aligning the mounting holes with the mounting
posts and guiding the four Loop-through board connectors into their
holes in the rear panel. Align the mounting holes in the new Loop-
through board with the screw holes in the two mounting posts.
b. Secure the board to the two mounting posts with the two T-15 screws
from the old Loop-through board. Tighten firmly, but not excessively.
c. From the parts retained from step 9, install a washer, and then a nut, to
each of the BNC connectors of the new board. Tighten firmly, but not
excessively.
d. Remove and discard the protective plastic plug from the connector pins
on the new Loop--through board.
e. Plug the ribbon cable from the old Loop-through board into the cable
connector pins on the new Loop-through board and to the adjacent cable
connector pins on the Main board.
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