apparatus for guiding a user while operating a remote transaction machine , such as an atm . various input and output devices located at different positions on the machine are used for entering and receiving data , cards , slips , receipts , currency , and similar items . each device has an illumination means which is synchronized to the operation of the machine such that the device is illuminated when the next user activity involves the device at that particular location . illumination is provided by an illuminated border around the device , or by other means , such as an indicator lamp at the device location . with certain output apertures , the object being outputted is illuminated .