— then; — the eyes; — having opened; — having recited; — the root-mantra; — according to his ability; — that recitation; — having dedicated to Brahman; — and the hymn; — the protective formula (kavaca); — should recite
Then, opening his eyes, having recited the root-mantra according to his ability and dedicated that recitation to Brahman, he should recite the hymn and the kavaca.