Yamaha DME64N Owner's Manual page 261

Chapter 4 Designer
Press the [F4] key to connect the uppermost open hot spot to the right of the selected object and
the uppermost open hot spot to the left of the object on the right.
Press <Shift> + [F4] to connect the uppermost open hot spot to the left of the selected object and
the uppermost open hot spot to the right of the object on the left.
Press the [F5] key to connect the uppermost open hot spot to the right of the selected object and
the uppermost open hot spot to the left of the object on the right, and continue automatically
making sequential connections until no more open ports are available on either object. Automatic
connections will not be made over other objects.
DME Designer Owner's Manual 261