Knoll HD178 Projector User Manual


 
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Your projector has been factory optimized for adjust Picture menu options
excellent performance no matter what the source. including Aspect Ratio
However, if you wish to make further changes you
can optimize the image using on screen menus.
Adjust the Contrast, Brightness, Color, Tint, or Aspect Ratio
in the Picture menu. See page17 for help with the menus and these adjustments.
For Aspect Ratio, keep in mind that DVD players must be configured for 16:9 in
order to view the highest quality image. For more information regarding Aspect Ratio, see page 8.
Shutting down the projector
Power Save
The projector also has a Power Save feature that automatically turns the lamp off after no active
sources are detected and no user interaction with the projector is performed for 20 minutes. By
default, this feature is on. See page 20.
Sleep Timer
The projector also has a sleep timer feature that automatically turns the projector off after four
hours. See page 20.
Turning off the projector
Press the Power button on the remote or keypad to turn the projector off. The lamp turns off and
the LED blinks green for one minute while the fans continue to run to cool the lamp. While the
LED is blinking green, the projector does not accept any user input. Once the cooling process is
complete, the LED lights solid green and you can turn the projector back on, if desired.
NOTE: Once the projector has been turned off, you must wait for one minute before turning the
projector on again. This allows the lamp to properly cool and extend the lamp life up to 3000
hours). The LED lights solid green when the cooling process is complete.
Troubleshooting your setup
If your image appears correctly on the screen, skip to the next section. If it does not, troubleshoot
the setup. The LED on top of the projector indicates the state of the projector and can
help you troubleshoot.
Table 3: LED behavior and meaning
LED color/behavior Meaning
LED color/behavior Meaning
Solid Green
The power button has been pressed and the software has
initialized or the projector has been powered off.
Blinking Green
The power button has been pressed and the software is
initializing, or the projector is powering down and the fans are
running to cool the lamp.
Blinking Red
See page 14 for more information
A fan or lamp failure has occurred. Make sure the vents aren’t
blocked (see page 14). Turn off the projector and wait one
minute, then turn the projector on again. If the projector
exceeds its lamp life (page 22), replace the lamp and reset the
lamp timer. Contact Technical Support if the problem persists.
Solid Red
An unidentifiable error; please contact Technical Support.