Réglez l'inclinaison du moniteur, son contraste et/ou sa luminosité, ainsi que l'éclairage ambiant (par exemple l'éclairage vertical, les lampes de bureau et les rideaux ou les stores des fenêtres proches) pour réduire l'éblouissement et les reflets sur l'écran.

Lorsque vous utilisez un moniteur externe, placez-le à une distance visuelle confortable (généralement entre 50 et 60 centimètres des yeux). Assurez-vous que l'écran du moniteur est à hauteur de l'œil, ou légèrement plus bas, lorsque vous êtes assis devant.

Utilisez une chaise avec un bon support lombaire.

Conservez vos avant-bras en position horizontale avec les poignets dans une position neutre et confortable lorsque vous utilisez le clavier, le touchpad, le trackstick ou la souris externe.

Utilisez systématiquement le repose-poignets avec le clavier, le touchpad ou le trackstick. Ménagez-vous un endroit où poser les mains lorsque vous utilisez une souris externe.

Laissez la partie supérieure de vos bras pendre naturellement

àvos côtés.

Tenez-vous droit, avec les pieds posés au sol et les cuisses

àl'horizontale.

Lorsque vous êtes assis, assurez-vous que le poids de vos jambes repose sur vos pieds et non pas sur l'avant de votre chaise. Ajustez la hauteur de votre siège ou utilisez un repose-pieds si nécessaire pour conserver une position correcte.

Variez vos activités. Essayez d'organiser votre emploi du temps de façon à ne pas prolonger les séances de frappe au clavier. Lorsque vous cessez de taper, essayez de trouver une activité nécessitant vos deux mains.

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Dell M50 manual Guide dinformation sur le système

M50 specifications

The Dell M50, introduced early in the 2000s, is a mobile workstation designed to meet the demanding needs of professionals in fields such as graphics design, engineering, and complex data analysis. Known for its power, expandability, and reliability, the M50 became a trusted choice among users who required robust computing performance on the go.

One of the standout features of the Dell M50 is its Intel Pentium 4 mobile processor, which provides substantial processing power for multitasking and running demanding applications. This allows users to execute resource-intensive tasks, such as 3D modeling and video editing, without significant performance drops. Furthermore, the M50 typically supports various configurations of RAM, depending on the specific model, allowing for up to 2GB of DDR SDRAM. This memory support ensures optimal performance in handling large datasets and complex software environments.

The M50 is equipped with a range of graphics options, prominently featuring the NVIDIA Quadro4 700 Go GL graphics card. This GPU is specifically engineered for professional graphics work, enabling high-quality rendering and fluid visual experiences crucial for tasks like CAD and video production. Its capability to handle high resolutions and complex visuals makes it ideal for engineers and designers.

In terms of storage, the M50 offers multiple hard drive configurations, including traditional IDE drives, allowing users to choose the right capacity for their needs, typically ranging from 30GB to 80GB. Moreover, the inclusion of a DVD-RW drive enables users to easily share projects and manage data.

Connectivity is another area where the M50 excels, featuring multiple USB ports, a parallel port, a serial port, and an optional docking station interface, promoting versatility and compatibility with various peripherals. With built-in networking options, including Ethernet and optional WiFi capabilities, the M50 ensures users stay connected for collaborative work.

The design of the Dell M50 also emphasizes durability and portability. With a rugged build, it is designed to withstand the rigors of travel, making it suitable for professionals who are often on the move. The laptop’s display typically measures 15 inches, providing a balance between usability and portability.

In summary, the Dell M50 is characterized by its powerful processing capabilities, dedicated graphics performance, and a range of connectivity options, making it a solid choice for professionals requiring serious computing power in a portable format. Its solid construction and versatility further enhance its appeal, ensuring it stands the test of time in the realm of mobile workstations.