Contents o For Safety..................................................................................................................................3 Key to Symbols..................................................................................................................................................................3 Warnings .............................................................................................................................................................................3 Cautions...............................................................................................................................................................................4 o Restriction of Use....................................................................................................................4 o Note about interference ........................................................................................................4 o Open Source Software License.............................................................................................5 o About this Manual ..................................................................................................................6 Aim of the Manual ...........................................................................................................................................................6 Manual Content................................................................................................................................................................6 o Contents....................................................................................................................................7 Product Overview ..........................................................................................11 o Features .................................................................................................................................
11 o Product Configurations ......................................................................................................
13 Models................................................................................................................................................................................13 Accessories.......................................................................................................................................................................13 Options ..............................................................................................................................................................................13 o Part Names and Functions .................................................................................................
14 Top/Front/Rear................................................................................................................................................................14 Panel LED ..........................................................................................................................................................................15 Connectors .......................................................................................................................................................................16 Online and Offline..........................................................................................................................................................19 o Status and Errors..................................................................................................................
20 Status Display..................................................................................................................................................................20 Network Connection Status.......................................................................................................................................21 Error Status.......................................................................................................................................................................22 o NV Memory (Non-Volatile Memory).................................................................................
24 NV Graphics Memory....................................................................................................................................................24 User NV Memory ............................................................................................................................................................24 Memory Switches (customized values)..................................................................................................................24 R/E (Receipt Enhancement)........................................................................................................................................24 Maintenance Counter...................................................................................................................................................25 o Useful Functions for Smart Devices (Device Charging model/Bluetooth model) ...
26 NFC Tag..............................................................................................................................................................................26 QR Code.............................................................................................................................................................................26 7