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Lamp use time = ([Lamp Hours Used (Normal)] × 60 + [Lamp Hours Used (ECO)] × α) ÷ 60
When setting under both [Normal] and [ECO1]/[ECO2], not using [AUTO]: α = 45
When setting under both [Normal] and [AUTO], not using [ECO1]/[ECO2]: α =24
When setting under both [ECO1]/[ECO2] and [AUTO]: 24 ˂ α ˂ 45
The ratio of α will be smaller if the used time of [AUTO] is more than that of [ECO1]/[ECO2].
Replacing the Lamp unit
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Attention
When the projector is mounted on a ceiling, do not work with your face close to the projector.
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Attach the lamp unit and the lamp cover securely.
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When you experience difficulty in installing the lamp, remove it and try again. If you use force to install the lamp, the
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connector may be damaged.
Do not loosen other than designated screws.
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Lamp cover
Lamp cover screw
1 )
Turn off the power by following the procedure in "Powering off the projector".
(
page 31). Remove the AC power plug from the wall outlet. Wait at least 1 hour and
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make sure the lamp unit and surroundings are cool.
2 )
Use a Phillips screwdriver to loosen the lamp cover screw and open the lamp cover.
Open the lamp cover by pulling it slowly toward the direction of the arrow.
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3 )
Use a Phillips screwdriver to loosen the two lamp unit screws until the screws turn
freely. Pull up the handle, and pull out the lamp unit gently.
4 )
Insert the new lamp unit in correct direction. Tighten the two lamp unit screws
securely with a Phillips screwdriver.
5 )
Close the lamp cover, and tighten the lamp cover screw securely with a Phillips
screwdriver.
Reset the Lamp Hours Used
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After replacing the lamp unit, make sure to reset the usage time in the [Clear Lamp Hours] menu. (
Handle
Maintenance/replacement
Lamp unit screws
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page 46)
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ENGLISH -
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