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Assistive Products
Selector Guide
FEATURES n-Abler trackball n-Abler joystick Orbitrack Optima Optima Optimax Optimax
cursor movement trackball joystick  control ring trackball joystick trackball  joystick
wireless operation d d d d d
colour coded buttons d d d d d d  
left/right click
double click d d d d
drag lock
single axis  d    d d d
switchable left/right click d d d d
cursor speed settings d d d d d d d
set from trackball/joystick four four four d four d four
set from external button four four four d d d d
smart track speed setting d d d d d d
resettable memory dd dd 
orientation facility d d d d
on/off audible alert d d
visual alert d  d d d
sockets (for external buttons) two two two two two two two
programmable sockets d d d d
autodetecting PS2/USB protocols
PC and MAC compatible
USB lead with PS2/USB adaptor
T-bar and soft ball handles d d d d
receiver with sockets d d d d d