When I connect Scratch Live to the CDJ-900, I cannot select the deck to be controlled. When I press the [LINK] button, “PUSH TO CONNECT” is displayed on the CDJ-900’s display section, and when I press the rotary selector “DECK:1” is not displayed.
Check [HID SETTING] in [UTILITY MENU] on the CDJ-900.
To control Scratch Live, set [HID SETTING] to [ADVANCED].