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Sleep Timer

The projector also has a sleep timer feature that automatically turns the projector off after four hours. See page 21.

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 light is solid green when the cooling process is complete.

NOTE: The biggest cause of early lamp failure is not allowing the lamp to cool properly, either from power failures or disconnecting power to the projector before the fan can cool the lamp properly.

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.

The status indicator on the top of the projector can help you diagnose any problems the projector is experiencing.

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Knoll Systems HDP404 user manual Sleep Timer, Turning off the projector, Troubleshooting your setup

HDP404 specifications

Knoll Systems HDP404 is an advanced high-definition multimedia distribution system that brings unparalleled quality and convenience to AV installations in both commercial and residential settings. This innovative device is engineered to handle a range of audio and video signals, delivering seamless performance for various applications, including home theaters, conference rooms, and educational institutions.

One of the main features of the HDP404 is its ability to support 4K Ultra HD resolution, providing crystal-clear images and vibrant colors. This is complemented by its capacity to manage multiple input sources, making it suitable for setups with multiple devices such as gaming consoles, Blu-ray players, and streaming devices. The system is designed to provide smooth switching between these sources without any latency, ensuring a delightful user experience for viewers.

The HDP404 incorporates advanced scaling technology, which automatically adjusts the resolution of the output display to match the capabilities of the connected devices. This dynamic scaling feature minimizes compatibility issues and allows for optimal image quality across a variety of screens and resolutions. Additionally, this technology enhances the flexibility of the installation, enabling users to change connection setups without compromising on quality.

Another notable characteristic of the Knoll Systems HDP404 is its robust signal distribution capability. The device features an HDMI output that supports long-distance transmission using CAT6 cabling, allowing for greater distance between the source and the display without loss of quality. This makes it ideal for large venues where equipment might be spread out over a significant area.

The HDP404 is also equipped with user-friendly interfaces, simplifying the process of configuration and operation. An intuitive remote control and web interface allow users to adjust settings easily, modify source configurations, and manage connected devices from a distance. Furthermore, the unit supports both TCP/IP and RS-232 control, making it compatible with a wide range of automation systems for smart homes and commercial applications.

In summary, the Knoll Systems HDP404 stands out as a versatile and powerful multimedia distribution solution. With its support for 4K Ultra HD, advanced scaling technology, robust signal distribution, and user-friendly controls, it meets the demands of modern AV installations, delivering exceptional performance and quality in any environment.