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Appendix
7.
Position either hand on both sides of the matrix and firmly push the card with both
thumbs until it snaps in place (
32x32 Modular Matrix
shown).
8.
Secure the card by hand-tightening the fastening screws. Do not overtighten the
screws. To prevent damage to the screws, do not use pliers or other high-torque
devices.
Fastening screw
Card Removal and Installation