HP X Class 500/550MHz User Manual page 17

Setting Up and Using Your HP Visualize Personal Workstation
Connecting Audio Accessories
WARNING To avoid discomfort from unexpected noise, always turn down
the volume before connecting headphones or speakers. Listening
to loud sounds for prolonged periods may permanently damage
your hearing.
Before putting on headphones, place them around your neck and
turn down the volume. When you put on the headphones, slowly
increase the volume until you find a comfortable listening level,
then leave the volume control in that position.
Chapter 1 17