Shutting down the projector Power Save | Knoll Systems HD290, HD108

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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
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	A fan or lamp failure has occurred. Make sure the vents aren’t
	blocked (see page 14). Turn off the projector and wait one
See page 14 for more information	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.

HD178, HD108, HD290 specifications

Knoll Systems has made a notable impact in the realm of audio and visual solutions, particularly with its innovative HD series. Among the standout products are the HD290, HD178, and HD108 models, renowned for their cutting-edge features and advanced technologies tailored to meet the diverse needs of both consumers and professional environments.

The HD290 is one of Knoll Systems' flagship models, boasting an impressive high-definition display that offers exceptional clarity and vibrancy. With a resolution that exceeds standard HD, the HD290 provides stunning visuals, making it perfect for presentations, gaming, and home theater applications. Equipped with state-of-the-art processing capabilities, it ensures smooth playback of high-resolution content while supporting a variety of input sources, including HDMI, USB, and wireless connections. Its robust audio system further enhances the viewing experience, delivering crisp sound quality that rivals dedicated sound systems.

The HD178 model, while slightly more compact, does not compromise on performance. It features a versatile design that makes it suitable for both home use and professional presentations. The HD178 offers a balanced mix of performance and affordability, making it an ideal choice for budget-conscious consumers seeking quality. Its key features include a full HD display, multiple connectivity options, and energy-efficient technology that not only saves on power costs but also prolongs the lifespan of the device. Additionally, it comes equipped with smart technology that adjusts display settings based on the surrounding ambient light, ensuring optimal viewing conditions at all times.

The HD108 model echoes many of the excellent features found in its siblings, providing a more streamlined option for those who seek simplicity without sacrificing quality. With a focus on user-friendliness, the HD108 offers straightforward installation and operation, making it accessible for users of all experience levels. It showcases a vibrant display and rich color reproduction, ensuring that content appears lively and engaging. The compact design enables it to fit seamlessly into any space, whether it's a small office, classroom, or living room.

In summary, the Knoll Systems HD290, HD178, and HD108 each offer unique features that cater to a range of requirements, from home entertainment to professional presentations. The combination of high-definition technology, versatile connectivity options, and user-friendly design makes these models a smart choice for anyone looking to enhance their audio-visual experience. Each model embodies Knoll Systems' commitment to quality and innovation, ensuring that they remain at the forefront of the market in providing unparalleled visual solutions.