A PDA is one of the most important tools issued to UNN soldiers. The device stores Audio Logs, E-Mails, and other useful information. In the field, the PDA is also used for keeping track of current mission objectives and obtaining help information.
You automatically start System Shock 2 with PDA Software installed. There is only one level of this software. This software allows the user to interface with logs, receive email and retrieve various data formats such as standard .MAP files. The PDA automatically organizes the logs and email by deck through interaction with groups of passive sensors.