Knoll HD225 manual

HD225 HDTV Projector Users Manual v1.1[...]

2 FCC Warning Note: This equipment has been tested and found to comply w ith the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limit s are designed to provide reasonable protection against harmful interference in a residential installation. This equipment gener ates, uses and can radiate radio frequency energy and[...]

3 TABLE OF CONTENTS Introduction 5 Positioning the projector 6 Video connections 7 Connecting a video device 7 Displaying a video image 9 Connecting a computer 10 Shutting down the projector 11 Troubleshooting your setup 11 Using the keypad buttons 15 Using the remote control 15 Using the audio 16 Customizing the projector 16 Optimizing video image[...]

4 Important Operating Considerations for Safety • Place the projector in a horizontal position with no greater than 8-degrees forward or backwards tilt. • Locate the projector in a well-ventilated area without any obstructions to intake or exhaust vents. Do not place the projector on a tablecloth or other soft covering that may block the vents.[...]

5 Introduction Your new Knoll HD225 projector from Knoll Systems is specifically designed for home cinema applications. It has native 1280x720 resolution. The projector is easy to connect, easy-to- use, and easy to maintain. *The lens cap tether ships in the Document ation Pack. Attach it to the lens cap and the projector if desired. Connector Pane[...]

6 A 3.5mm mini-jack trigger provides 12- volt current. This provides a constant output while the projector is on. For example, if you connect your projection screen to the trigger, when you turn on the projector the screen will move down; when you turn the projector off, the screen will return to the storage position. You must turn the trigger on i[...]

7 Video connections You can connect VCRs, DVD players, camcorders, digital cameras, video games, HDTV receivers, and TV tuners to the projector. (You cannot directly connect the coaxial cable that enters your house from a cable or satellite company; the signal must pass through a tuner first. Examples of tuners are digital cable boxes, VCRs, digita[...]

8 Connecting a video device If your video device has more than one output, se lect the highest quality one. DVI video has the best quality, followed by component video, S-vi deo, and then composite video. If the video device uses component cable connectors, plug the c able’s green connectors into the green component- out connector on the video de[...]

9 Displaying a video image Remove the lens cap. Press the Pow er button on the top of the projector or the remote. The fans start to run. When the lamp comes on, the startup screen is displayed. It can take a minute for the image to achieve full brightness. ? No startup screen? Get help on page 11. Plug in and turn on the video device. The video de[...]

10 If the image is not square, adjust the vertical keystone using the buttons on the keypad. Press the upper Keystone button to reduce the upper part of the image, and press the lower Keystone button to reduce the lower part. You can also adjust the horizontal keystone via the menus, or set the projector to automatically adjust the vertical keyston[...]

11 Shutting down the projector The projector automatically blanks the screen after no active source is detected for 30 minutes. This blank screen helps preserve the life of the projector. The image returns when an active source is detected or a remote or keypad button is pressed. Screen Save You can make the blank screen appear after five minutes b[...]

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14 Still having problems? If you still need assistance, visit our website or call us. See the inside of the back cover for support contact information. Th is product is backed by a limited warranty. When sending the projector in for repair, we recommend shipping the unit in its original packing material, or having a professional packaging company p[...]

15 Using the keypad buttons Most buttons are described in detail in other sections, but here is an overview of their functions: pow er –turns the projector on (page 9) and off (page 11). menu –opens the on-screen menus (page 17). select –confirms choices made in the menus (page 17). up/dow n arrow s –navigates to and adjusts setti ngs in th[...]

16 • Source buttons to switch among sources (to assign a parti cular source to a source button, see page 21) and a source toggle • Resize button to change the Aspect Ratio (see page 18) • Auto Image button to resynchronize the projector to the source • Preset button to restore stored settings (see page 19) • Overscan button to remove nois[...]

17 Optimizing video images After the video device is connected properly and t he image is on the screen, you can optimize the image using the onscreen menus. For general information on using the menus, see page 17. • Adjust the Keystone, Contrast, Brightness, Color, or Tint in the Picture menu. See page 18. • Change the Aspect ratio. Aspect rat[...]

18 Picture menu To adjust the following six settings, highlight the setting, press Select , use the up and down arrows to adjust the values, then press select to confirm the changes. Vertical Keystone : adjusts the image vertically and makes a squarer image. You can also adjust vertical keystone from the keypad. If you want the projector to automat[...]

19 4:3 : resizes the image from its original version to fit a standard 4:3 aspect ratio screen. If you have a 4:3 source on a 16:9 screen, the image is placed in a 16:9 space, so black bars appear at the sides of the image. Letterbox text : preserves the 16:9 aspect ratio and maximizes readability of the text. Letterbox : preserves the 16:9 aspect [...]

20 Overscan : (video sources only) removes noise around the video image. Advanced settings Sharpness : (video sources only) changes the clarity of the edges of a video image. Select a sharpness setting. Color Space : This option applies to computer sources. It allows you to select a color space that has been specifically tuned for the video input. [...]

21 Settings menu Audio : allows adjustments to the volume and mute, and turns the projector’s startup Chime on and off. Sources : allows you to assign a particula r input to a specific source key on the remote. Also allows selection of a default Startup Source and enables or disables Autosource and RGB Video. Sources>Startup Source: this deter[...]

22 Sleep Timer : allows you to force the projecto r to automatically shutoff after 4 hours. Screen Save : automatically blanks the screen with a black color after no signals are detected for a preset number of minutes. The image returns when an active source is detected or a remote or keypad button is pressed. Screen Save is disabled when Power Sav[...]

23 Service : to use these features, highlight them and press Select . Factory Reset : restores all settings (except Lamp Hours) to their default after displaying a confirmation dialog box. Lamp Reset : resets the lamp hours counter in the About menu to zero. Do this only after changing the lamp. It displays a confirmation dialog box. Service Info :[...]

24 4 Remove the two screws on the lamp module. WARNINGS : • To avoid burns, allow the projector to cool fo r at least 60 minutes before you replace the lamp . • Unplug the power cord before replacing the lamp. • Do not drop the lamp module. The glass may shatter and cause injury . • Do not touch the glass portion of the lamp module. Fingerp[...]

25 Cleaning the dust filters In dirty or dusty environments, the dust filters can become clogged, causing high temperatures inside the lamp module. These high temperatures can impact lamp performance and operating life. Routine maintenance to remove dust and dirt from the filters lowers the lamp operating temperature and prolongs lamp life. To maxi[...]

26 Red LED behavior and projector errors If the projector is not functioning properly and the red LED is blinking, consult Table 2 to determine a possible cause. There are two-second pauses between the blinking cycles. Table 3: Red LED Behavior Explanation One (1) blink The lamp won’t strike after five attempts. Chec k the lamp and lamp door inst[...]

27 Limited Warranty Knoll Systems, Inc. (“Knoll”) w arrants that each HD225 (“the Product”) sold hereunder w ill conform to and function in accordance with the w ritt en specifications of Knoll. Said limited warranty shall apply only to the first person or entity that purchas es the Product for personal or busi ness use and not for the purp[...]