Dukane Projector 976SX - Manual (Page 119)

119
Message Description
The horizontal or vertical frequency of the input
signal is not within the specified range.
Please confirm the specs for your projector or the signal
source specs.
An improper signal is input.
Please confirm the specs for your projector or the signal
source specs.
The internal temperature is rising.
Please turn the power off, and allow the projector to cool
down at least 20 minutes. After having confirmed the
following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Please use the unit within the usage temperature
parameters (0°C to 35°C, 40°C or 45°C ( User's
Manual (concise))).
• Is the setting for ALTITUDE appropriate?
For details of ALTITUDE, refer to ALTITUDE of
SERVICE in the OPTION menu (69). If the projector is
used with a wrong setting, it may cause damage to the
projector itself or the parts inside.
A note of precaution when cleaning the air filter.
Please immediately turn the power off, and clean or
change the air filter referring to the Cleaning and
replacing the air filter section of this manual. After you
have cleaned or changed the air filter, please be sure to
reset the filter timer (67, 115).
The button operation is not available.
Check the button you are going to use (6). Even when
a usable button is pressed, all button operations are not
available under the following conditions.
- While the lens is moving, button operation from the
control panel or the remote control might be ignored.
- Pressing the one of buttons to call a signal input might
be ignored, when all the input ports belonging to the
category the button's name shows are set to the "SKIP"
by the item SOURCE SKIP of the OPTION menu.
Troubleshooting
Related messages (continued)