User manual COMPAQ MP3130

[. . . ] 3 Using a wireless network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Making a connection with a personal firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Making a direct network connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Setting up simultaneous wireless and wired connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] For example, the HP USB digital drive with SD memory card (DG921B) is supported. Viewing images on a memory card If you are viewing a picture presentation from a memory card, certain problems may cause a picture to be shown as "X", a missing picture: · The image is larger than 3. 5 MB or requires more memory than available on the projector. Check file sizes, and edit large images or convert them to JPG format so they are smaller than 3. 5 MB. · The image file is not a valid JPG, BMP, or PNG file. · The file name contains any of the characters \ / : * ?" < > , | [ ] ; = Locating ports on the enhancement module The USB ports on some enhancement modules may be covered by a label. If you want to use these ports, remove the label. Note that use of the audio port is not supported. Increasing security on the projector The projector includes several security options for preventing unauthorized access. You can set up all of these security settings using the projector's embedded web server. The first two options are required to secure the projector. Account you can set a password that prevents unauthorized access to most settings in the embedded web server. This password protects all other security settings below. In Networking > SNMP you can specify secure community names for read-only and read-write access to the embedded SNMP server. In Networking > Wireless Presenter you can set a password that prevents unauthorized network presentations via wired and wireless connections. · WEP encryption and shared mode authentication. In Networking > Wireless Settings you can set an encryption key and key index, then use them to authenticate wireless connections and encrypt wireless data. In Networking > Access Control you can defines ranges of IP addresses that are authorized to access the projector. Using a wireless network While you are using HP Wireless Presenter-to-Go, you have access to only one wireless network: the infrastructure or ad-hoc network that connects to the projector. If you use a different wireless network to connect to other computers or to the internet, you do not 3 have access to those connections whenever HP Wireless Presenter-to-Go is running. This software disables wireless network services while it is running and restores those services when it closes. If you want to change to your normal wireless network or view available networks, you should exit HP Wireless Presenter-to-Go first. [. . . ] Upgrading the HP Wireless Presenter-to-Go software In the future, HP may release new versions of HP Wireless Presenter-to-Go. They will be available for download at the Support website listed at the beginning of this document. Upgrading the projector firmware If you use a network connection to upgrade the projector firmware, your browser must not block popup windows. Popup windows are required for a successful upgrade. [. . . ]