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Maintenance
Care and Replacement
48 - ENGLISH
J Removing and replacing the lamp unit
1. Use a Phillips screwdriver to loosen the 3 lamp unit
fixing screws until the screws turn freely.
2. Hold the handle of the lamp unit and release the
lamp unit lock.
3. Pull out the lamp unit gently from the projector.
4. Replace the new lamp unit while making sure that
the direction of insertion is correct.
Press the top of the lamp unit and make sure the unit
is installed securely.
5. Tighten the lamp unit fixing screws securely with a
Phillips screwdriver.
J Attaching the top cover
1. Attach the hinge parts of the top cover to the
projector and press slightly until it clicks.
When the projector is mounted on the ceiling,
attaching the hinge parts is not required.
2. Hook the top cover safety hook to the projector.
3. Hooking the tabs of the top cover to the front of the
projector and lift down slowly.
4. Press the back corner of the top cover gently until
it clicks.
Make sure to hook the top cover safety hook to the
body.
J Resetting the LAMP RUNTIME
If the lamp usage time has passed 2 000 hours (when LAMP POWER has been set to NORMAL), the
projector will switch to standby mode after approximately 10 minutes of operation. The resetting procedure
should thus be completed within 10 minutes.
1. Connect the power cord to the projector and a wall
outlet, and switch the MAIN POWER on.
2. Switch the power button.
3. Press the MENU button to display the menu.
4. Press F G to select OPTION and press ENTER.
5. Press F G to select LAMP RUNTIME.
6. Press and hold the ENTER button for
approximately 3 seconds.
7. The confirmation screen will be displayed and
select OK.
8. Switch off the power button to reset the duration of
the LAMP RUNTIME.
9. Confirm the duration of time in LAMP RUNTIME is
reset to "0".
Lamp unit
fixing screws
Lamp unit lock
Press here
Press here
Top cover safety hook Hinge part
NOTE:
• Be sure to install the lamp unit and the top cover of the projector securely. If they are not
securely installed, it may cause the protection circuit to operate so that the power cannot be
turned on.
• Grip the handle and keep the lamp unit paralleled when you remove the lamp unit.
• Do not switch the power on while the top cover is opened.
• When the projector is mounted on the ceiling, keep the lamp unit paralleled up and remove.
STANDARD
1820H
LAMP POWER
LAMP RUNTIME