Unitech Electronics Co., Ltd Createdby YukikoPA960 OperationManualV2.3 Page 23 of 1443. Tap “+” in front of “Barcode Symbologies”. You will see a list of available barcodetype.4. Tap “+” to expand the tree. Under each barcode type, there are more options suchas enable/disable, check digit verification, transmit check digit etc. Tick the optionsthat you want to apply on that barcode. Then, tap “Apply” button.