Furuno NAVNET 3D MFD8/12/BB Installation Manual page 18

2. Pull the tool to raise the panel slightly
3. Similarly use the tool to raise the panel at the right-side notch.
4. Insert the tool to the space at the one end of the unit, and pull it to raise the panel
slightly. Repeat this procedure for the opposite side
5. Use the tool to raise the panel at the two notches on the upper side of the unit.
6. Use your hands to detach the front panel at both sides of it
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