PSB Speakers PSB-1688LF M1 - Manual (Page 11)

Chapter 1 Introduction
Page: 1-6 PSB-1688LF USER
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S MANUAL
1-3. SAFETY PRECAUTIONS
Follow the messages below to avoid your systems from damage:
1. Avoid your system from static electricity on all occasions.
2. Prevent electric shock. Don‘t touch any components of this card when the
card is power-on. Always disconnect power when the system is not in use.
3. Disconnect power when you change any hardware devices. For instance,
when you connect a jumper or install any cards, a surge of power may
damage the electronic components or the whole system.