HP sb21 - Digital Projector Owner's Manual page 31

Troubleshooting (continued)
• If you are using an Apple PowerBook
In the Control Panel, open the PowerBook Display to select Video
Mirroring "On."
Problem: Image is unstable or flickering
• Activate the "Auto Image" function.
• Adjust the "Tracking" variable in the "Computer Image" tab of the On
Screen Display (OSD). Refer to page 25.
• Change the colour settings of the computer's monitor (see page 27).
Problem: Image has vertical flickering bar
• Activate the "Auto Image" function.
• Adjust the "Frequency" variable in the "Computer Image" tab of the OSD
(refer to page 25).
• Check and re-configure the display mode of your graphic card to make it
compatible with the product (refer to pages 25, 35 and 37).
Problem: Image is out of focus
• Focus the image with the projector's Focus Ring.
• Make sure the projection screen is located approximately 1.0 m
(3.3 feet)~12 m (39.4 feet) from the projector.
Problem: The image is stretched when displaying 16:9 DVD.
The projector will automatically detect a 16:9 DVD source signal and
adjust the aspect ratio to produce a full, 4:3-aspect-ratio screen display.
If the projected image is distorted, adjust the aspect ratio by doing the
following:
• Select 4:3 aspect ratio type on your DVD player if you are playing a
16:9 DVD.
• If you cannot select 4:3 aspect ratio type on your DVD player, select 4:3
for the "Aspect Ratio" variable in the "All Images" tab of the OSD (refer to
page 23).
Problem: Image is reversed
• Change the "Projection Direction" parameter in the "Management" tab of
the OSD (refer to page 26).
Problem: Burned out lamp
• When the lamp module burns out it may make a loud popping sound. The
projector will not turn back on until the lamp module has been replaced.
Follow the lamp change procedure presented in this manual (page 32) and
included with the replacement lamp.
• Remember to reset the "Lamp Hour" counter from the On Screen Display
(OSD) "Management" menu tab after replacing the lamp (refer to
page 26).
:
TM
appendices
xb31 sb21
NOTE: Some notebook
computers running
NT 4.0 have difficulty
sending a signal to an
external display.
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