If you are looking for the official documentation, you can view the Bosch PST 54 PE Manual online or download it as a PDF.
Adjustable base plate for cuts up to 45° in both directions. Approximately 1.85 kg. Essential Operating Instructions 1. Starting and Locking the Tool Intermittent Use: Press the trigger button (a) to start; release to stop. Continuous Use: i--- Bosch Pst 54 Pe Manual
Place the blade into the plunger from below at a 90-degree angle to the cutting direction. If you are looking for the official documentation,
: The base plate can be adjusted for angles up to 45° in either direction. Operating Your Bosch PST 54 PE i--- Bosch Pst 54 Pe Manual