HP Mp3130 HP L1619a smart attachment module - (English) Release Notes - Page 3

Choosing a memory card for presentations The projector supports several standard types of memory cards, which you can connect to the CompactFlash slot or to a USB port. Such cards are available from HP and many other manufacturers. However, you may find that some memory cards or adapters do not work properly with the projector, such as some USB 2.0 devices. If you have a memory card or adapter that does not work with the projector, try a different brand or type of card. 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. • Admin password. In Networking > Admin. 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. • SNMP community names. In Networking > SNMP you can specify secure community names for read-only and read-write access to the embedded SNMP server. • Wireless Presenter password. 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. • Access control. 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