Logitech NuLOOQ 用户手册

The gray ring encircling the device, called the navring is used to smoothly navigate around your current 
Photoshop image.  Gently nudge the ring in all directions to navigate the image.  Note, the device stays 
stationary.  See images below on how each action on navring will act on an image in Photoshop.

Gently move the navring 
towards you to scroll the 
image upwards till the end 
is reached.  If the window 
size is at or larger than the 
image size, than you may 
not be able to scroll 
upwards.  Resize window or 
adjust zoom value to scroll 
upwards.

Gently move the navring 
away from you to scroll the 
image downards till the end 
is reached.  If the window 
size is at or larger than the 
image size, than you may 
not be able to scroll 
downwards.  Resize 
window or adjust zoom 
value to scroll downwards.