Troubleshooting - Hitachi CP-X4021N User Manual

7. Troubleshooting

About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomena that may be easy to be mistaken for machine defects
Phenomenon
Intellectual Stack
does not work.
Main and Sub
do not work
collaboratively.
(continued on next page)
Cases not involving a machine defect
The electrical power cords are not plugged
in Main and Sub.
To use Intellectual Stack
and Sub projectors with AC power. If one
of the projector is not supplied,
Stack becomes invalid on the other even if it
is supplied with AC power.
RS-232C cable is not connected to
and Sub projector correctly.
To use Intellectual
Sub projectors with RS-232C cross cable. If
not connected, Main
Sub.
The setting for Intellectual Stack
is not done properly.
Check the setting on
and Sub projectors. To use
STACK MODE must be set to
projector and to SUB
Signal cables are not connected correctly.
Check the connection of cables. Also confirm
that the cable connection and the port setting
on menu are matched.
RS-232C cable is not connected to
and Sub projector correctly.
Connect RS-232C cable properly and restart
Main projector.
feature, supply
Intellectual
Stack, connect Main
projector cannot control
STACK menu on
Intellectual
MAIN
on the other.
36
Reference
8
Main
in User's
Manual
(concise)
Main
and
11
on menu
Main
18
stack,
on one
28
10 - 14
in Operating
Guide
Main
11
page