paristīryātha paryukṣed
anvādhāya yathā-vidhi
prokṣaṇyāsādya dravyāṇi
prokṣyāgnau bhāvayeta mām
paristirya -- scattering (kusa grass); atha -- then; paryukshet -- he should sprinkle with water; anvadhaya -- performing the ritual of anvadhana (placing wood into the fire with recitations of om bhur bhuvah svah); yatha-vidhi -- according to the standard prescription; prokshanya -- by the water in the acamana vessel; asadya -- having arranged; dravyani -- the items to be offered as oblations; prokshya -- sprinkling them; agnau -- within the fire; bhavayeta -- he should meditate; mam -- on Me.
Srila Jiva Gosvami mentions that one should meditate upon the Lord as the Supersoul within the sacrificial fire.