[IMP] point_of_sale: Add barcode.rst

point_of_sale/advanced.rst

@@ -5,6 +5,7 @@ Advanced topics
 .. toctree::
    :titlesonly:
 
+   advanced/barcode
    advanced/discount_tags
    advanced/multi_cashiers
    advanced/loyalty

point_of_sale/advanced/barcode.rst

@@ -0,0 +1,41 @@
+=====================
+Using barcodes in PoS
+=====================
+
+Using a barcode scanner to process point of sale orders improves your
+efficiency and helps you to save time for you and your customers.
+
+Configuration
+=============
+
+To use a barcode scanner, go to :menuselection:`Point of Sales -->
+Configuration --> Point of sale` and select your PoS interface.
+
+Under the PosBox / Hardware category, you will find *Barcode Scanner*
+select it.
+
+.. image:: media/barcode01.png
+    :align: center
+
+.. note::
+    You can find more about Barcode Nomenclature here (ADD
+    HYPERLINK)
+
+Add barcodes to product
+=======================
+
+Go to :menuselection:`Point of Sales --> Catalog --> Products` and
+select a product.
+
+Under the general information tab, you can find a barcode field where
+you can input any barcode.
+
+.. image:: media/barcode02.png
+    :align: center
+
+Scanning products
+=================
+
+From your PoS interface, scan any barcode with your barcode scanner. The
+product will be added, you can scan the same product to add it multiple
+times or change the quantity manually on the screen.