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Maintenance &
Troubleshooting
Using the Kensington Lock
This projector has a Kensington Security Standard
connector for use with a Kensington MicroSaver Security
System. Refer to the information that came with the
system for instructions on how to use it to secure the
projector.
Check
• Projector power cord is not plugged into the wall outlet.
• MAIN POWER switch is not on.
• The bottom filter cover is not securely installed.
• Input is wrong. (See pages 19.)
• Cables improperly connected to rear panel of the projector. (See pages 15, 16 and 17.)
• “Power” remote control batteries have run down. (See page 10.)
• Main power of the “Power” remote control is not turned on.
• “Power” remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.
• Cables improperly connected to rear panel of the projector. (See pages 15, 16 and 17.)
• “Contrast” and “Bright” adjustments are set to minimum position. (See page 24.)
• On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned on,
creating a black image. (See page 29.)
• Adjust the focus. (See page 18.)
• Projection distance is too long or too short to allow for proper focus. (See page 12.)
• Cables improperly connected to rear panel of the projector. (See pages 15, 16 and 17.)
• Volume is set to minimum. (See page 19.)
• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes.
This will not affect operation or performance.
• Refer to “Lamp/Maintenance Indicators” on page 36.
• Distance and angle between the projector and transmitting device are out of the designated range.
(See page 22.)
• Refer to the operation manual of the transmitting device.
• Refer to the section “Troubleshooting” in the operation manual of the supplied software.
Problem
No picture and no sound.
Sound is heard but no picture
appears.
Picture is blurred.
Picture appears but no sound is
heard.
An unusual sound is occasionally
heard from the cabinet.
Maintenance indicator lights up.
Data cannot be received via
IrCOM.
Troubleshooting
Kensington Security
Standard connector