Installation before Vishnu Sahastranama

asya sri vishNoH divya sahara-nAma-stotra-mahA-mantrasya

sri veda-vyAso bhagavAn RishiH, anushtup Chandah,

sri mahA-vishNuH paramAtmA sriman-nArAyaNo devatA

amritAmSUdbhavo bhAnuriti bIjam

devakInandanaH srashteti SaktiH

udbhavah kshobhano deva-iti paramo mantraH

Sankha-bHrt nandakI cakrIti kIlakam

SArnga-dhanvA gadhA-dhara-iti astram

rathAnga-pANiH akshobhyah-iti netram

tri-sAmA sAmagah sAmeti kavacham

Anandam para-brahmeti yoniH

rituh sudarsanah kAleti dig-bandhaH

sri visva-rUpa iti dhyAnam

sri mahA-vishNu-prItyarthe sri-sahasranAma-jape viniyogah

[(The above angas are usually repeated in prose in the course of pArAyaNA. They are followed by some dhyana-slokas or stanzas for meditation. The holy Names are then recited). Of this grand mantra, i.e. the Thousand Names of vishNu, the venerable veda vyAsa is Rishi, the meter is anushtup; its Diety is sriman nArAyanA, the supreme soul, the All-pervader.
Its seed is "amritAmSUdbhavo bhAnu".
Its power is devakI's son. The essential part of the mantra is "udbhavah: kshobhano devaH".
Its pin is "Sankha-bHrin nandakI cakrI".
Its weapon is "SArnga-dhanvA gadhA-dharaH". Its eye is "rathAnga-pANiH: akshobhyah".
Its armor is "tri-sAmA sAmagas sAma".
Its womb is "Anandam para brahma".
The enclosure binding the directions (east, west, south and north) is "rituh sudarsanah kAla". The contempletion is on the universal form. Its purpose and utility is in the Thousand Names being used for praising and pleasing vishNu.]