The Logitech M570, on the other hand, is controlled with the thumb while the fingers remain motionless over the buttons and scroll wheel. Most trackballs on the market today are controlled with the fingers and the thumb may have a button or two. The M570 will also take time to master, even for experienced trackball users. You get a lot more desk to use when make the switch to the M570 or any other trackballs. Trackballs don’t need a mousepad area, they are completely stationary. An added benefit is the desktop real estate requirements are much lower. With time you will become just as proficient as with a mouse. Most users usually complete the transition in less than a week. They can take some time to learn and are initially uncomfortable. The small bones and cartilege in your wrist are much more prone to RSI’s than your fingers.Įrgonomic mice in general try to minimize this by leaving your wrist in a neutral position and using your forearm and fingers to handle the motion. Letting your fingers do more work, in this case your thumb, repetitive motions with your wrists are greatly reduced. The ball on the side covers the sensor which translates the ball’s movement into X and Y axis movement of your onscreen pointer. Its main function is to provide a stable and highly comfortable grip for your hand while your thumb moves a small ball. It looks like a large mouse with a large gumball attached to it. For anyone who has never held, let alone used a trackball, the M570 is going to look odd.
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