Logitech NuLOOQ - Manual (Page 31)

Navring – Push Up
Sends mouse wheel up commands; would typically move the scroll bar
up in many apps.
Navring – Push Down
Sends mouse wheel down commands; would typically move the scroll
bar down in many apps.
Navring – Push Right
Not Assigned
Navring – Push Left
Not Assigned
Navring – Twist Clockwise
Not Assigned