Sony VAIO VGC-RM1 Series User Manual page 10

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Before Use
Furniture and posture – Sit in a chair with good back support. Adjust the level of the chair so your feet are flat on the
floor. A footrest may make you more comfortable. Sit in a relaxed, upright posture and avoid slouching forward or leaning
far backwards.
Viewing angle of the display – Position the display directly in front of you, with the top of the screen at or a little below
eye level. Use the display's tilting feature to find the best position. You can reduce eye strain and muscle fatigue by placing
the display in the proper position.
Lighting – Choose a location where windows and lights do not create glare and reflection on the display. Use indirect
lighting to avoid bright spots on the display. Proper lighting adds to your comfort and work effectiveness.