A tap on the three dots opens the options menu.
(1) find settings related to conponents, here Sailing settings,
(2) call the general settings settings to set the distance and speed units, choose map type and more,
(3) lock the screen for Sailing and Regatta (see below).
(4) call help pages.
(5) and buy the ad-free version.
In the views Sailing and Regatta you'll find the option to lock the screen here.
Screen lock prevents you from unwanted app actions, for example by water or rain falling at the display. When activated all app-actions are locked and can't execute. Please note that buttons outside the app will still be active.
To exit from screen lock bring the app to the background, rotate the device or hit the device's "back" button.
Buy Ad-Free Version
Buyin the ad-free version will remove all ads from the application. You'll get more space on the screen and support the development. Thanks for this.