Let's open main_gun sample.
Select

in the main toolbar, then open
taipei_airport.db in
data/db/samples/console/main_gun
This sample shows how to use Commands or HMI to control a tank main-gun weapon against a target.
Start the simulation.
Click on the HMI window to make it appear in front.
Use the rotator to orient the main gun.
Use the vertical slider to elevate the main gun
Fire using the OFF light
Curve window will appear.