PDA

 (Personal Digital Assistant) is multipurpose device, which the player always carries around. It can be accessed by pressing [Tab]. Multiple other PDA's can be found on several locations in the game. They give additional information and are a crucial element for the backstory in the game.

PDA Tabs

 * Inventory
 * Blueprints
 * Signals
 * Screenshots
 * Log Messages
 * Data Bank
 * Time Capsules (not in Below Zero)