32
7. Troubleshooting
Before assuming that the projector needs repair, review the following trouble-
shooting tips:
Problems can be easily mistaken for machine defects
Situation Troubleshooting tips
Reference
page
Intelligent
Stack does not
function.
No power is supplied to the Main and Sub
projectors.
To use the Intelligent Stack feature, supply AC
power to both the Main and Sub projectors.
If AC power is supplied to only one of the
projectors, Intelligent Stack will be disabled.
8
in
User’s
Manual
(concise)
The RS-232 cable between the Main and
Sub projectors is not properly connected.
To use the Intelligent Stack feature, connect
an RS-232 null modem cable between the
Main and Sub projectors. If the cable is not
connected properly, the Main projector cannot
control the Sub projector.
8
The menu settings for Intelligent Stack are
not set up correctly.
Check the STACK menu settings on both
the Main and Sub projectors. To use the
Intelligent Stack feature, one projector must
be set to Main and the other projector must
be set to Sub.
14
Signal cables are not connected correctly.
Check the cable connections. Also check
that the cable connection matches the port
settings in the menu.
24
10 - 14
in
Operating
Guide
The Main and
Sub projector do
not operate in
synchronization.
The RS-232 cable between the Main and
Sub projectors is not properly connected.
Connect the RS-232 cable properly and
restart the Main projector.
8
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