HP Compaq Presario,Presario 1515 Supplementary Manual page 14

Your choice of posture within your comfort zone may vary with your task. For
example, you may find a reclined posture most comfortable for computer tasks, and a
more upright posture more comfortable for tasks requiring frequent reference to
papers or books.
The order in which you make various adjustments to your body position and work
area may vary depending on the adjustability of your furniture. For tips on how to
order your adjustments see the section Arranging Your Work Area on page 10.
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