Hitachi CP-X8170 User Manual page 118

Troubleshooting
Related messages (continued)
Message
(continued on next page)
118
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?
• Is the exhaust air (hot/cold) from peripheral
equipments blowing against the ventilation opening of
projector?
For details of ALTITUDE, refer to ALTITUDE of
SERVICE in the OPTION menu (72). If the projector is
used with a wrong setting, it may cause damage to the
projector itself or the parts inside.
Description