[. . . ] HP vp6300 Series Digital Projector User's Guide © Copyright 2005 Hewlett-Packard Development Company, L. P. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. [. . . ] Disposal of this lamp might be regulated due to environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance at http://www. eiae. org. · Because the lamp assembly operates at a very high temperature, wait 30 minutes before removing the lamp module. Press the release latch 1 on the lamp cover and remove the cover 2. Press the release latch on the lamp connector and unplug the connector 44 Maintaining the Projector 5. Loosen the two screws 4 on the lamp module, and pull out the module 5. 6. Insert the new lamp module into the projector and tighten the two screws. If the lamp does not turn on after the warm-up period, try reinstalling the lamp. 10. Press enter, go to Setup > Advanced setup > Reset lamp hours, and press enter. Performing routine maintenance 45 Replacing the battery in the remote control 1. Use a ballpoint pen to hold the battery latch toward the center, then pull out the battery holder 1. Push the holder 2 in the holder. 3 into the remote control. When discarding old batteries, contact your local waste-disposal provider regarding local restrictions on the disposal or recycling of batteries. 46 Maintaining the Projector Upgrading the projector Updating the firmware HP might periodically release updated versions of the projector firmware to enhance the projector performance. The projector firmware version is shown in the on-screen menu at Help. Check for updated versions at http://www. hp. com/go/proj_firmware. USB method 1. On a computer with a USB port, go to the HP projector upgrade website (see introduction for this section) and download the latest file intended for a USB upgrade. Connect a USB cable (available from HP) between the USB port on the projector and the USB port on the computer. On the computer, run the file you downloaded by double-clicking the file. Follow the onscreen instructions. Upgrading the projector 47 48 Maintaining the Projector 5 Installing Permanently Installing the projector Choosing cables If you are permanently installing the projector or using it with long cables, consider the following suggestions when planning the installation: · Use high-quality cables. Use only video cables that are made with 75-ohm coaxial cable and connectors. For video cables longer than 6 m (20 ft), use low-loss coaxial cables. · Do not run audio or video cables next to power or network cables. · If you are installing cables in walls, use cables with necessary approvals, such as Underwriters Laboratories (UL) approval. · If you are running cables above a dropped ceiling, you must use plenum-rated cables if the space above the ceiling is open to the space above other rooms. [. . . ] However, there is no guarantee that interference will not occur in a particular installation. If this digital projector does cause harmful interference to radio or television reception (which can be determined by unplugging the unit), try the following: · Reorienting or relocating the receiving antenna. · Relocating the digital projector with respect to the receiver. · Connecting the digital projector's power cord to another power outlet. [. . . ]