Logitech 3D MOUSE & HEAD TRACKER Technical Reference Manual page 41

Yaw. Yaw orientation is positive or negative rotation about the
receiver's Y axis. Figure 5-6 shows positive Yaw rotation.
Roll. Roll orientation is positive or negative rotation about the receiver's
Z axis. Figure 5-7 shows positive Roll rotation.
Figure 5-6. Positive Yaw Rotation
Figure 5-7. Positive Roll Rotation
System Operation
Y
X
Z
Y
X
Z
29