Knoll HD108, Руководство пользователя

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22
Maintenance
Cleaning
the lens
1 Apply a non-abrasive camera lens cleaner to a
soft, dry cloth.
•
Avoid using an excessive amount of cleaner,
and don’t apply the cleaner directly to the lens.
Abrasive cleaners, solvents or other harsh
chemicals might scratch the lens.
2 Lightly wipe the cleaning cloth over the lens in a
circular motion.
Lamp
hours used
Replacing the projection lamp
The lamp hours timer in the Service Info
wait 60 minutes
menu counts the number of hours the lamp has
been in use. Twenty hours before the lamp life
expires, a message appears on the screen
at startup indicating that you should change the
turn off and unplug
lamp. The LED on top of the projector also blinks
projector
red twice to indicate that the lamp should be
changed. Use only a replacement lamp with the
same type and rating as the original lamp.
1 Turn off the projector and unplug the power cord.
If ceiling mounted, disconnect all cables and
detach the projector from the ceiling mount.
2 Wait 60 minutes to allow the projector to
cool thoroughly.
3
Turn the projector upside down on a
soft cloth so that the lamp door is
facing you. Remove the base or ceiling
mount plate, if attached, by removing the three screws.
4 Push the 2 tabs on the lamp door toward the lamp door
front of the projector and lift the lamp door off.
5 Loosen the three captive screws that attach
the lamp housing to the projector.
6 Detach the lamp connector from the projector
by depressing the locking tab on the connector
and lightly pulling it free.
lamp housing
WARNING :
To avoid burns, allow the projector to cool for
at least 60 minutes before you replace the lamp .
Be extremely careful when removing the lamp
captive screws
housing. In the unlikely event that the bulb
ruptures, small glass fragments may be
generated.
lamp connector