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An example about how to use the “Lock/Unlock” button can be found → here.
B) Lock/Unlock Menu
Next to the ”Lock Button” you can see a small triangle. A click on it reveals a context menu, giving you the possibility of specifying a frame when the simulation will be unlocked (RealFlow counts the frames internally). Please take a look at → "Quick Start Workflows - Locked Timeline Locking".
C) Simulation Start Frame/Playback Start Frame
In order to change the simulation's start please enter a (positive) frame number here. The start frame will be displayed in the “Timeline Bar” as a black number. During → playback, this field defines the point in time when → playback will start.
D) Timeline Bar and Timeline Slider
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