This mantra is especially connected with the 4-armed Shadakshari sort of Avalokiteśvara. The Dalai Lama is alleged being an incarnation of Avalokiteshvara, and Hence the mantra is particularly revered by his devotees. The mantras are drawn with the Vairocanābhisaṃbodhi Sūtra. The mantra for every deity name in Japanese, its equal https://arthurhcxrm.blogkoo.com/about-mantra-50753454