Center cabin door, VEH_XYZ's writing error fixed.
-New avionics sound effect
-New battery sound effect
-Revised gyro sound effect
-Co-Pilot volume slider now controls all of your exterior sound effect volumes
-User Interface volume slider now controls the cockpit system, aural warning sound effects.
-New .png file that shows that version of the sound pack you are downloading to your aircraft.
-Fixed FMS DEP/ARR key sound effect not working.
-Adjusted exterior engine sound space, making the engine sounds louder.
-Updated Sound Pack Manual