Envision Peripherals NV3128 - Manual (Page 6)

Warnings
A warning indicates a possible hazard to personnel which may cause injury or death. Observe the following
general warnings when using or working on this equipment.
- Heed all warnings on the unit and in the operating instructions.
- Do not use this equipment in or near water.
- This equipment is grounded through the grounding conductor of the power cord. To avoid electrical shock,
plug the power cord into a properly wired receptacle before connecting the equipment inputs or outputs.
- Route power cords and other cables so they are not likely to be damaged.
- Disconnect power before cleaning the equipment. Do not use liquid or aerosol cleaners; use only a damp
cloth.
- Dangerous voltages may exist at several points in this equipment. To avoid personal injury, do not touch
exposed connections and components while power is on.
- Do not wear rings or wristwatches when troubleshooting high current circuits such as the power supplies.
- During installation, grasp the chassis of the equipment firmly and lift with your legs; do not bend over at
the waist to lift heavy items. Moreover, do not rely on door handles or front panels to lift the equipment
as they are not intended for this purpose.
- To avoid fire hazard, use only the specified fuse(s) with the correct type number, voltage and current
ratings as referenced in the appropriate locations in the service instructions or on the equipment. Always
refer fuse replacements to qualified service personnel.
- To avoid explosion, do not operate this equipment in an explosive atmosphere.
- Have qualified service personnel perform safety checks after any completed service.
- If equipped with redundant power supplies, the equipment has two power cords. To reduce the risk of
electric shock, disconnect both power supply cords before servicing the unit.