Keysight CX3300 Series User Manual page 110

Safety Information
Working in Comfort
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110
It takes very little pressure or force from your fingers to activate the buttons
or scroll wheel on your mouse, scrolling mouse, trackball, or other input
device. Using too much force can place unnecessary stress on the tendons
and muscles in your hands, wrists, and forearms.
If you are using a scrolling mouse, be sure to keep your fingers and hand in a
relaxed, neutral position when activating the scroll wheel. Also, this type of
mouse features software that can minimize the number of mouse movements
or button clicks.
When using a mouse, trackball, or other input device, position it as close to
the keyboard as possible, and keep it at the same level as you do not have to
stretch while using it.
Be sure to keep your mouse and trackball clean. Regular removal of
accumulated dust and dirt helps ensure proper tracking and reduces
unnecessary hand and wrist motions.
Keysight CX3300 User's Guide, Edition 4