Introduction
This article will give you reference on installation of Valina card reader on existing BATMThree. You will need to use your own tools and equipment, please be sure to read carefully and take everything on site, although many steps can be covered with included tool set.
Overview
Upgrade consist of small box with cover on the back. Whole closed box is then bolted onto right side of BATMThree from inside, protecting from unauthorized mechanical access.
Installation steps
Put the box face down, and remove 6 screws on the backside.
...