
Firmware Update and System Switch Change
1. Connect the Windows based PC to the SC-540, SJ-540 or SJ-740 via Parallel
Cable. Ensure that you have the following items prepared.
A. Firmware (Ver. 4.2 or higher). Firmware is located on R-Net
(www.rolanddga.com/r-net/
) or Roland Web Site (www.rolanddga.com).
B. PC with MS-DOS.
C. Parallel Cable
Fig. 1
2. While holding down the [▲], [▼] and [◄], turn on the Sub-Power. Once you get the
message asking “Version Up Sure?” (Fig. 1), press the Enter key .
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