Hitachi HF-W7500 Instruction Manual page 15

SAFETY INSTRUCTIONS (Continued)
 Do not open the equipment cover if you are not a maintenance personnel. In
addition, do not install or replace the hardware.
 Before you start the work, make sure you shut down the OS, unplug the
power cord from the outlet, and wait for at least one minute. Otherwise, an
electric shock or failure of the equipment may result.
 Before you install or remove an extension board, make sure you shut down
the OS, unplug the power cord from the outlet, and wait for at least one
minute. If you install or remove an extension board without shutting down
the power, an electric shock or a fire may result.
 Always attach a slot cover to each unused slot and attach a connector cover
to each unused connector. Otherwise, failure of the equipment or a fire may
result.
 Before you install or remove main memory, make sure you shut down the
OS, unplug the power cord from the outlet, and wait for at least one minute.
If you install or remove main memory without shutting down the power, an
electric shock or a fire may result.
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