
  From the front pilothouse, either click on the parabolic Mirror
  or press 'i' to go to the back instrument room. When you EXIT an
  instrument, control also goes back to the instrument room. The instr-
  uments at your disposal are:
  NavMap:   Navigation unit - lower left corner of screen.
            Keypress 'n'.        
  SonMag:   Sonar and magnetometer readings - upper center of screen.
            Keypress 's'.
  TeleType: Communication from outside and onboard monitoring system -
            right of center on screen.
            Keypress 't'.
  DepthSounder:
            Take depth readings of up to 6 miles - lower center of screen.
            Keypress 'd'.
  Radio:    Play pending radio message - lower right corner of screen.
            Keypress 'r'.
  ESC:      Exit Ship, option of Saving game.

  To go back to the front pilothouse, press 'f' or click either the para-
  bolic mirror. To launch the minisub and go diving, press 'l' or click
  on the launch cord - upper right of screen. It is necessary that the
  ship engines be off to launch the minisub.
