Vivitek D77 Series, User Manual

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Cooling notes
Air outlet
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Make sure the air outlet is 50cm clear of any obstruction to ensure proper cooling.
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Air outlet location should not be in front of the lens of other projector to avoid causing illusions.
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Keep the outlet at least 100cm away from the inlets of other projectors
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The projector generates a massive amount of heat during use. The internal fan dissipates the heat
of the projector when shutting down, and such process may continue for a certain period. After the
project enters STANDBY MODE status, press the AC power button to turn off the projector and
remove the power cord. DO NOT remove the power cord during the shutdown process, as it may
cause damage to the projector. In the meantime, the delayed heat radiating will also affect the
service life of the projector. The shutdown process may vary depending on the model used.
Whatever the case may be, be sure to disconnect the power cord till after the projector enters the
STANDBY status.
Air inlet

Make sure there is no object blocking air input within 30 cm.
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Keep the inlet away from other heat sources
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Avoided heavy dust area