The 40-K Meltagun is a strategeme that allows you to summon a Supporting Weapon that emits a superheated beam of thermal energy, dealing tremendous damage and penetrating large amounts of armor.

To set up the macro correctly, set the strategeme button to the «click» type. In the game settings, select the arrows for strategems.

Here is an example of setting macros for keys with a modifier, in my case it is Ctrl+:
- «F1» — activation of the supporting weapon
- «F2» — backpack opening
- «F3» is the first strategeme
- «F4» is the second strategeme.

Using the modifier key allows you to access the strategeme menu, while continuing to switch between weapons using the appropriate buttons.

The tactical advantage of using the arrow keys is that you can remain mobile while activating the strategy sequence, which makes it possible to stay on the move and avoid threats during combat.