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2.4 Installation of Optional Cards and Unit
General Installation
101
Opening the Front Cover
1. Loosen the screw.
2. Slide the cover while pressing the mark.
Note
The screw cannot be removed from the unit.
Frame Ground Connection
IMPORTANT
Connect the system frame to the ground.
1. Loosen the screw.
2. Insert the grounding wire.
3. Tighten the screw.
4. Connect the grounding wire to the ground.
Screw
To ground
Screw