1-11. Installing the Option Board
1-11-1. Front Side (HKCU2007)
1. Loosen the two coin screws, and open the front panel. (Refer to “4-3-1. Removal and Installation of Front
Panel”)
2. Shift the standard RC-105 board from slot 2 to slot.
3. Insert the DRX-9 board (HKCU2007) into slot 2.
Notes
• Put the board on the groove at the bottom of the slot and then push it straight.
• Check that the board is securely connected to the MB-1181 board.
123
Slot
Standard RC-105 board
DRX-9 board
(HKCU2007)
4. Close the front panel and secure it with two coin screws.
HDCU2500
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