Knoll HD225 - Manual

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...

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. Exampl...

8 Connecting a video device If your video device has more than one output, select the highest quality one. DVI video has the best quality, followed by component video, S-video, and then composite video. If the video device uses component cable connectors, plug the cable’s green connectors into the g...

9 Displaying a video image Remove the lens cap. Press the Power 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. P...

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 proj...

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...

15 Using the keypad buttons Most buttons are described in detail in other sections, but here is an overview of their functions: power –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/down arrows –n...

17 Optimizing video images After the video device is connected properly and the 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 p...

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 fro...

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 o...

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 particular input to a specific source key on the remote. Also allows selection of a default Startup Source and enables or disables Autosource and R...

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 ope...

27 Limited Warranty Knoll Systems, Inc. (“Knoll”) warrants that each HD225 (“the Product”) sold hereunder will conform to and function in accordance with the written specifications of Knoll. Said limited warranty shall apply only to the first person or entity that purchases the Product for personal ...