AZZA Fusion 4000 - Manual (Page 21)

Second Power Supply Installation on the Top Unit
1. Unscrew and remove the rear panel from the back of the case.
2. From the accessory box locate the proper panel for the second power supply
and place the round rubber cover on it.
3. Install the proper panel in the rear using the provided screws.
4. Install the power supply in the top unit.
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