Hitachi HF-W7500 Instruction Manual page 22

SAFETY INSTRUCTIONS (Continued)
 If you wash a dust filter, dry it completely before re-attaching it to the
equipment. If you use the equipment while its dust filter is not completely
dry, the equipment may fail. When you use a detergent to clean a dust filter,
make sure you use a neutral detergent. If you use other types of detergent, the
dust filter may lose its function.
 Make sure you disconnect all external cables connected to the equipment
before you install or remove an extension board. Otherwise, failure of the
equipment may result.
 Make sure you disconnect all external cables connected to the equipment
before you install or remove main memory. Otherwise, failure of the
equipment may result.
 The orientation of a main memory module on a connector is fixed. When you
install a main memory module, make sure the orientation is correct.
Otherwise, failure of the equipment may result.
 Do not install main memory modules with different capacities on slot A2 and
slot B2. If you do, the modules may not be recognized.
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