Display Systems
4-1
Section 4 Maintenance
4.1 Warnings and Guidelines
The Marquee projection system is CSA approved and is designed for safe and reliable operation. However, safe
operation cannot simply be assured by design; installers, maintainers, and users must maintain a safe operating
environment for the system. This section covers warnings and guidelines which promote the safe usage of the
projector. Please read through and understand these warnings and guidelines.
4.1.1 Labels
and
Markings
Observe and follow all warnings and instructions marked on the projector.
The exclamation point within the equilateral triangle is intended to alert the user to the presence
of important operating and maintenance (servicing) instructions in the literature accompanying
the projector.
The lightning flash with arrowhead symbol, within the equilateral triangle is intended to alert the
user to the presence of uninsulated "dangerous voltage" within the projector's enclosure that may
be of sufficient magnitude to constitute a risk of electric shock to persons.
4.1.2 Projector
Location
Operate the projector in an environment which meets the operating range specifications in the specifications. Do
not operate the projector close to water
─
for example, near a swimming pool.
Do not place the projector on an unstable cart, stand or table. If the projector is to be ceiling
mounted, only use an VDC Display Systems approved ceiling mount fixture.
The projector and cart combination should be used with care. Quick stops, excessive force,
and uneven surfaces may cause the projector and cart combination to overturn.
4.1.3 Power Cord and Attachments
Only use attachments or accessories recommended by VDC Display Systems. Use of others may result in the
risk of fire, shock or personal injury.
Do not allow anything to rest on the power cord. Locate the projector where the cord cannot be abused by
persons walking on it or objects rolling over it.
Operate the projector at the voltage indicated on the line voltage indicator. Do not overload power outlets and
extension cords as this can result in fire or shock hazards.
The projector is equipped with a three wire plug having a third (grounding) pin. This is a safety feature. If you are
unable to insert the plug into the outlet, contact an electrician to have the outlet replaced. Do not defeat the
safety purpose of the grounding-type plug.
4.1.4 Ventilation
Slots
Slots and openings in the projector provide ventilation. To ensure reliable operation of the projector and to
prevent overheating, these openings must never be blocked or covered. The projector should never be placed
near or over a radiator or heat register. The projector should not be placed in an enclosure unless proper
ventilation is provided.
Do not push objects of any kind into the projector through the ventilation openings. They may touch dangerous
voltages or short-out parts resulting in a fire or shock hazard. Do not spill liquids of any kind into the projector.
Should an accidental spill occur, immediately unplug the projector and have it serviced by a qualified service
technician.
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