Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey.All hotkeys can be changed on the trainer.

Trainer Options:

NumPad1: Change Gold By 200
NumPad2: Change Supplies By 200
NumPad3: Change Morale By 200
NumPad4: Maximum Crew Skill Level
NumPad5: Infinite Ship Health
NumPad6: Low Ship Water Gauge
NumPad7: One Hit Kills Enemy Ship
NumPad8: Infinite Crew Member Health
NumPad9: Reveal Fog Of War
NumPad0: Super Speed
NumPad/: No Reload

Notes:

Supplies / Gold / Morale: If the values are shown at the top left ingame press hotkey to change them.

Maximum Crew Skill Level: Open log book and click on 'Crew Management', activate option and all crew members have maximum skills. Deactivate this option now.

Reveal Fog Of War: While you can ship around and the fog is visible, press hotkey and its fully revealed.