HP LH4r Power Supply Upgrade Guide - Page 7
shock hazard from telephone ringing voltages.
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Chapter 1 Introduction WARNING Before removing the cover, always disconnect the power cord and unplug telephone cables. Disconnect the power cord to avoid exposure to high energy levels that may cause burns when parts are short-circuited by metal objects, such as tools or jewelry. Disconnect telephone cables to avoid exposure to shock hazard from telephone ringing voltages. WARNING The power switch does not turn off the standby power. Disconnect the power cord to turn off standby power. If the backlight on the LCD display is still on, standby power is still on. 3
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Chapter 1
Introduction
3
WARNING
Before removing the cover, always disconnect the power cord
and unplug telephone cables. Disconnect the power cord to
avoid exposure to high energy levels that may cause burns
when parts are short-circuited by metal objects, such as tools
or jewelry. Disconnect telephone cables to avoid exposure to
shock hazard from telephone ringing voltages.
WARNING
The power switch does not turn off the standby power.
Disconnect the power cord to turn off standby power. If the
backlight on the LCD display is still on, standby power is still
on.