Phenomena That May Be Easy To Be Mistaken For Machine Defects - Dukane 8970 User Manual

Phenomena that may be easy to be mistaken for machine defects

About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomenon
The electrical power cord is not plugged in.
Correctly connect the power cord.
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet,
and allow the projector to cool down at least 10 minutes,
then turn the power on again.
Power does not
come on. Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
Please turn the power off and disconnect the power
plug from the power outlet, and allow the projector to
cool down at least 45 minutes. After the projector has
sufficiently cooled down, please make confirmation of
the attachment state of the lamp and lamp cover, and
then turn the power on again.
The signal cables are not correctly connected.
Correctly connect the connection cables.
Signal source does not correctly work.
Correctly set up the signal source device by referring to
the manual of the source device.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
AV MUTE function is working.
Press AV MUTE button on the remote control.
Neither sounds
nor pictures are
The USB TYPE B port is selected as the picture input
outputted.
source even if MOUSE is selected for USB TYPE B.
Select USB DISPLAY for USB TYPE B in OPTION menu
to project the picture input to the port. Otherwise select
other port for picture input.
The USB TYPE B port is not recognized as an input
port because of electrical noise.
Temporarily set to MOUSE with the USB TYPE B on
the OPTION menu, and then return it to USB DISPLAY
to enable the USB TYPE B port to be recognized as an
input port.
(continued on next page)
Cases not involving a machine defect
Troubleshooting
Reference
page
16
16
113
10 ~ 14
–
26
25
67
67
123