GRASS VALLEY HPE-300, Руководство пользователя

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HPE-300/HPE-300-2AC
User’s Guide
Cautions
A caution indicates a possible hazard to equipment that could result in equipment
damage. Observe the following cautions when operating or working on this
equipment:
• This equipment is meant to be installed in a restricted access location.
• When installing this equipment, do not attach the power cord to building surfaces.
• Products that have no on/off switch, and use an external power supply must be
installed in proximity to a main power outlet that is easily accessible.
• Use the correct voltage setting. If this product lacks auto-ranging power supplies,
before applying power ensure that each power supply is set to match the power
source.
• Provide proper ventilation. To prevent product overheating, provide equipment
ventilation in accordance with the installation instructions.
• Do not operate with suspected equipment failure. If you suspect product damage or
equipment failure, have the equipment inspected by qualified service personnel.
• To reduce the risk of electric shock, do not perform any servicing other than that
contained in the operating instructions unless you are qualified to do so. Refer all
servicing to qualified service personnel.
• This unit may have more than one power supply cord. Disconnect all power supply
cords before servicing to avoid electric shock.
• Follow static precautions at all times when handling this equipment. Servicing should
be done in a static-free environment.
• To reduce the risk of electric shock, plug each power supply cord into separate branch
circuits employing separate service grounds.
Electrostatic Discharge (ESD) Protection
Electrostatic discharge occurs when electronic components are improperly
handled and can result in intermittent failure or complete damage adversely
affecting an electrical circuit. When you remove and replace any card from a frame
always follow ESD-prevention procedures:
• Ensure that the frame is electrically connected to earth ground through the power cord
or any other means if available.
• Wear an ESD wrist strap ensuring that it makes good skin contact. Connect the
grounding clip to an unpainted surface of the chassis frame to safely ground unwanted
ESD voltages. If no wrist strap is available, ground yourself by touching the unpainted
metal part of the chassis.
• For safety, periodically check the resistance value of the antistatic strap, which should
be between 1 and 10 megohms.
• When temporarily storing a card make sure it is placed in an ESD bag.
• Cards in an earth grounded metal frame or casing do not require any special ESD
protection.