Logitech NuLOOQ - Manual (Page 84)

5.
Now under
Assignment,
select "Mouse
Wheel Up".
6.
The Auto repeat
pull-down will
appear. The
auto-repeat pull-
down will let
you control how
fast you'd like to
send the mouse
wheel up event
or even a
keystroke event.
This will allow
you to configure
the rate that best
meets your
requirements.
Experiment with
various rates to
see which one
feels best.
Do the same
steps for "Push
Down" and set
that to "Mouse
Wheel Down".