[1][2] The fuse worked excellently with the artificial American bomber-engine sound in the Aerotechnical Institute's wind tunnel.

The main goal was to scatter bomber formations, disrupting their attacks rather than destroying every aircraft, thus protecting civilians from terror-bombings.

[3] A total of a few hundred rockets were produced, but the Allied bombing raids made it impossible to finish the acoustic system.

The weapon was produced in Csepel at Weiss Manfréd Works, but due to the bombing raids on the factory, DIMÁVAG continued it.

The Hungarian troops used them in the defensive operations of Csepel Island, Érd, and later in Lake Velence as anti-personnel incendiary rocket artillery (like the Nebelwerfer) against Soviet infantry.