eiru_pos/data/eiru_pos_data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data noupdate="1">
        <record id="eiru_pos" model="eiru.pos">
            <field name="image_type">small</field>
            <field name="allow_currency_exchange">False</field>
            <field name="view_currency_exchanges">False</field>
        </record>
    </data>
</openerp>