In the game's root folder (whatever you installed into) are the pictures of the old reference cards, updated for FotRSU by CapnScurvy. Look for "SH4_Q-Ref_Card_Back.jpg" and "SH4_Q-Ref_Card_Front.jpg". On the "Back" page, it says to press and hold the <Alt> key and then press the <Enter> key to fire the torpedo. This prevents inadvertent firing of same...
- not that I've ever done that, of course...
- Use the <W> key to cycle through the fore tubes, and the <E> key to cycle through the aft tubes. Use the <Q> key to open the tubes, prior to firing, else any firing solution is ruined. It is imperative that any skipper familiarize themselves with the proper function of their submarine, especially Crash Dive (<Ctrl><D>), Ahead Flank (number <5> key) and Hard to Port or Starboard (the "bracket" keys <[> and <]>. Evasive maneuvers, in other words...
- The use of the greater than and less than signify a "key" to press... (ie: < space >)
