Thanks for your answer!
My hekate_ipl.ini file (which is located here SD:/bootloader/hekate_ipl.ini) looks like this now:
[config]
autoboot=0
autoboot_list=0
bootwait=3
verification=1
backlight=100
autohosoff=0
autonogc=1
updater2p=0
payload=bootloader/payloads/fusee-primary.bin
But atmosphere...