* Go to Point of Sale > Configuration > Point of Sale, and check
  the field "Payment Terminal"

.. figure:: ../static/description/pos_config_form.png

* Then, in the same point of sale form, click on "Payment Methods" to
  set correctly your account journals.
  This module support two payment modes : *card* and *check*, this
  option is available in te Point of sale tab.

.. figure:: ../static/description/account_journal_form.png