Fixed Camera ViewDuring gameplay, hold Circle + X + Start. The game will pause. Press Start to resume with the camera fixed at the pre-location. For the Japanese version, press Circle + X + Select.
Continue from Armored Core: Project PhantasmaInsert a memory card with a saved game from AC: PP. At the Loading screen, the file will appear yellow. Load that file to start with the same parts and money that were obtained in that game.
Change BackgroundMake a design at the Edit Emblem screen. When you're done, hold L1 + R1 + Select. Now design the new background.
First Person ViewDuring gameplay, hold Triangle + square + Start. Release the buttons and press Start again.