R4S Controller User guide 1、 Controller diagram
、Function description 1、Indicator 2、Freeze：Used to freeze the picture 3、OCR，For printed character recognition 4、Up 5、Confirm：It is used to take photos and confirm in the menu 6、Left 7、Right 8、Down 9、Quick zoom in：Used to enlarge and preview the picture 10、Menu：Used to open the menu 11、Back：Used for return operation 12、Zoom in：Used to enlarge the image 13、Zoom out：Used to reduce the image
FCC Statement This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
