If the official site redirects you (due to region locking), these trusted ham radio archives hold copies:
(p.14–15):
The Icom IC-F121 is a "set it and forget it" radio. Once programmed correctly according to the manual, it provides years of crystal-clear communication. Whether you are using it for basic voice or complex signaling, its reliability is hard to beat. icom icf121 manual
The Icom ICF121 radio has several key features that make it a reliable and versatile communication device. Some of these features include: If the official site redirects you (due to