Boss GT-PRO Owner's Manual page 130

Driver installation and settings (Macintosh)
OMS settings
1
Before connecting the USB cable, switch the GT-PRO's driver mode to "Advanced."
For instructions on switching the GT-PRO's driver modes, refer to "Switching the Driver
Mode" (p. 88).
2
With the power switch turned OFF, use the USB cable to connect the GT-PRO to your
computer.
3
Make sure that the GT-PRO's OUTPUT MAIN and SUB knobs are set to the lowest setting,
then switch ON the POWER switch.
4
In the Opcode folder, open the OMS Applications folder, and double-click the OMS Setup
icon.
fig.12-0220
* The first time OMS is started up, a "Create a New Studio Setup" dialog box will appear. Click [OK].
If this is the second or later time, select "New Studio Setup" from the File menu.
fig.12-0230
* If the Apple Talk dialog box appears, select [Turn It Off]. Then click [OK] in the dialog box that appears next.
fig.12-0240
The OMS Driver Search dialog box will appear.
fig.12-0250
5
Click [Search].
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