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Contents
Overview
Overview
Specifications
Safety Information
Instructions
Troubleshooting
Regulatory/Warranty Information
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Thank you for purchasing the 3M
Ergonomic Mouse EM550. This wireless optical mouse
is clinically proven to alleviate pain and discomfort in the hand, wrist or arm associated
with the use of traditional mice.* Its patented, vertical grip design keeps your hand and
wrist at a neutral angle.
Poor Wrist Posture
Good Neutral Wrist Posture
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* 1. Aaràs, Arne and Ro, Ola. “Workload When Using a Mouse as an Input Device.” International Journal of Human-Computer
Interaction, 9(2), (1997): 105-118.
2. Aaràs, Arne and Ro, Ola and Thoresen, Magne. “Can a more Neutral Position of the Forearm When Operating a Computer Mouse
reduce the Pain Level for VDU Operators?” International Journal of Human-Computer Interaction, August 1999.
3. Dainoff, Marvin J., Ph.D., CPE. “A Fitts’ Law Comparison Between Two Different Mouse Designs.” Presented at the 8th International
Conference on Human-Computer Interaction, August 22-27, 1999, Munich, Germany.
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