PRODUCT INFORMATION GUIDE EPSON UPDATE 6/17/03 This package provides a new multimedia projector product section to be added to the EPSON ® Product Information Guide. The table of contents of this section is listed below. EPSON PowerLite® 7850p TABLE OF CONTENTS Projector Specifications ................................................................................ EPSON PowerLite 7850p Projector - 1 Positioning the Projector ..............................................................................
EPSON PowerLite 7850p Projector Zoom ring Focus ring Temperature Lamp light light Brightness 3500 lumens (ANSI) in low brightness mode 2500 lumens (ANSI) in high brightness mode Contrast ratio 700:1 Image size 30 to 300 inches Power light Control panel Air exhaust vent Projection distance 2.6 to 36.1 feet (0.
EPSON PowerLite 7850p Projector Environmental Temperature To project images output from a computer, the computer’s external monitor signal must be set at a refresh rate (vertical frequency) that’s compatible with the projector; see the following table for compatible formats. For best results, the computer’s resolution should be set to match the projector’s native resolution (1024 × 768).
EPSON PowerLite 7850p Projector Standard Lens Positioning the Projector To determine the diagonal size of an image (in inches) when you know the projection distance: Follow these guidelines: ❏ Maximum diagonal size = ((2.54 × projection distance) / 100) × 36) + 2.13 ❏ Place the projector on a sturdy, level surface, between 2.6 and 36 feet from the screen. Image size generally increases with distance, but may vary depending on the position of the zoom ring and other settings.
EPSON PowerLite 7850p Projector Playing Sound Through the Projector Connecting the Projector You can play sound through the projector’s speaker system or you can attach an external speaker system. You can connect the projector to three computer sources or four video sources—up to a total of four sources. You can include an independent sound channel for each source. (See the User’s Guide for complete setup instructions.
EPSON PowerLite 7850p Projector ❏ The projector’s control panel has two Source buttons. Starting Up the Projector Use the Computer/DVI button to switch between EasyMP,™ and between equipment connected to the Computer and DVI ports. If you turn on your computer or video equipment before the projector, the projector automatically selects the connected source.
EPSON PowerLite 7850p Projector 2. Press the corresponding Source button on the remote control to switch to the desired source. Or press the ESC button to exit the preview screen without switching sources. Select the VGA Display dialog box Note: A red border surrounds the preview window for the currently selected source. You can use the pointer button on the remote control to select a different source, and then press Enter to display it.
EPSON PowerLite 7850p Projector Raising the projector causes the image to distort or “keystone,” but you can manually correct the shape as described in the next section. Adjusting the Image Once you see your image, you may need to make certain adjustments. Adjusting the Image Shape In most cases, you can maintain a rectangular image by placing the projector directly in front of the center of the screen with the base of the lens level with the bottom of the screen.
EPSON PowerLite 7850p Projector Correcting Computer Images Note: The image will be slightly shorter after adjusting. If it’s important to maintain the correct aspect ratio, use the menu system to perform keystone correction, as described below, then adjust the Height setting as needed. If you’ve connected a computer and the image doesn’t look right or fit properly on the screen, press the Auto button on the Auto remote control (or the button Auto/Enter button on the projector’s control panel).
EPSON PowerLite 7850p Projector Shutting Down the Projector Using the Remote Control When you’ve finished using the projector, follow the recommended procedure below to shut it down. This extends the life of the lamp and protects the projector from possible overheating. The remote control lets you access your projector’s features from up to 30 feet away, and from ± 15° above or below and ± 30° left or right of the projector’s infrared receiver.
EPSON PowerLite 7850p Projector Button Function Button Function Preview Previews connected sources (see page 5). Preset Selects a preset selection of options for displaying computer images. Sync buttons Let you manually correct blurriness that may be present in some computer images. Use the Sync buttons as arrow keys to navigate the on-screen menu and help systems. Auto Optimizes a computer image. Wall Shot Adjusts the colors for projecting on a wall, blackboard, or other surface.
EPSON PowerLite 7850p Projector Setting the Remote Control ID The remote control’s default ID is zero, which allows it to control any projector (although not switch between projectors). If you want to switch between projectors, follow these steps to change the remote control’s ID to match that of the projector: 1. Press the ID button on the remote control. You see it light up. 2. Press one of the numbered buttons on the remote control to select the desired ID (0 through 9).
EPSON PowerLite 7850p Projector Configuring the Connection You see one of these screens: You must configure both the projector and your network card settings to project wirelessly. You can configure the projector for either of the following modes: Ad Hoc mode Ad Hoc mode: Lets you connect just one PC or laptop at a time; you need the EPSON 802.11b card and a computer with a wireless network card.
EPSON PowerLite 7850p Projector Projector name ESSID Configuring the Network Settings on Your Computer Give the projector a unique name to make it easy to identify. To rename it, highlight the Clear button and press Enter. Then highlight the text box and press Enter. Before connecting to the projector wirelessly, make sure the network settings for your computer match the settings you entered for your projector. Also, make sure that the Internet Connection Firewall is disabled.
EPSON PowerLite 7850p Projector 3. Click the Configure button. Then click the Advanced tab on the screen that appears. You see a screen like this: 9. If your access point uses DHCP, select Obtain IP address automatically. Otherwise, select Use the following IP address and enter the required information. ❏ IP address: Type in the IP address you want to assign to the computer. It must be formatted like other addresses on the network; usually the first three segments (XXX.XXX.
EPSON PowerLite 7850p Projector 12. Verify that you’ve enabled your computer’s connection to the access point. It should be listed as shown above, with the small icon next to it, indicating a connection. The first time you start NS Connection, you see a dialog box asking you to select your network. Select the IP address for your computer’s network adapter card and click OK. If it’s not listed, click Configure and then type the name of your access point. 13. When done, click OK.
EPSON PowerLite 7850p Projector 6. From the control bar, you can access these NS Connection features: 2. If you don’t see your projector, check the following: ❏ Make sure your wireless signal is strong enough to establish a connection (see your computer documentation for details). Provides help using NS Connection. ❏ Make sure your computer’s SSID matches the ESSID you assigned to the projector (for example, CONF ROOM). Remember that both the SSID and ESSID are case-sensitive.
EPSON PowerLite 7850p Projector 2. Click the Extension button. You see this screen: The IP address appears in the Projector list and a searching icon displays. Click here Indicates search in progress If the search fails to find a projector with the specified IP address, the searching icon turns into a question mark. If this happens, run EasyMP to check the projector’s IP address, then repeat this step. 3. Click Use IP connect mode, then click OK.
EPSON PowerLite 7850p Projector ❏ To change the network addresses from the projector’s control panel, press the right and left arrow buttons to select the part of the address you want to enter, then use the up and down arrow buttons to increase or decrease the numeric value. If you’re using a network management utility running SNMP, you can configure your network to send trap alerts even without a plug-n. See the User’s Guide for more information.
EPSON PowerLite 7850p Projector Registering Projectors in EMP Monitor You see this screen listing all registered projectors: Before you can monitor a projector, you have to register it. Follow these steps: 1. Open EMP Monitor. You see this screen: Click here Note: To delete a projector from the list, highlight the projector name, and click Delete. 5. Click Close. You see the status of each of your registered projectors on the main EMP Monitor screen: 2. Click Register projector.
EPSON PowerLite 7850p Projector Controlling Your Projectors The following tables explain the status, video source, and error icons. The control buttons in the upper-right of the EMP Monitor screen let you turn the projectors on and off and select video sources. (Hold the mouse pointer over a button to see a description of its meaning.) Make sure you’ve selected the projector(s) you want to operate before clicking one of the buttons.
EPSON PowerLite 7850p Projector Understanding the Notification Messages If a projector experiences a problem, it can send an e-mail message to each of the addresses you provided using EMP NetworkManager. The message includes the heading “EPSON Projector” in the subject line. The body of the message contains the name of the projector, the projector’s IP address, and a description of the problem. The problem descriptions are similar to the errors reported by EMP Monitor listed on page 20.
EPSON PowerLite 7850p Projector 3. Gently turn the projector over and remove the filters from the side and bottom of the projector. Then use a small vacuum cleaner or soft brush to clean the filters. Slide the filters back into place when you’re done. Cleaning the Projector Before you clean the case, first turn off the projector and unplug the power cord. Slide the filter up here . . . ❏ To remove dirt or dust, wipe the case with a soft, dry, lint-free cloth.
EPSON PowerLite 7850p Projector 7. Loosen the two screws holding the lamp in place. (You don’t need to remove them.) Follow these steps to replace the lamp and air filters: 1. Turn off the projector. 2. When the P power light stops flashing, unplug the power cord. 3. Let the projector cool for at least half an hour (if it has been on). The lamp is extremely hot immediately after use. 4. Turn the projector upside-down and remove the air filters at the side and bottom of the projector.
EPSON PowerLite 7850p Projector You see this screen: Video Lamp Audio Reset Lamp Timer Effect Setting Video Source : Computer1 Input Signal : Analog-RGB User's Logo Frequency : H ---.---kHz V ---.---Hz SYNC Polarity : H -----V ------ SYNC Mode Resolution : -----: ----x ---- Refresh Rate : ---.