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Contents

■ For Safety..................................................................................................................................3

Key to Symbols.................................................................................................................................................................. 3

Warnings ............................................................................................................................................................................. 3

Cautions............................................................................................................................................................................... 4

■ Restriction of Use ....................................................................................................................4

■ Note about interference ........................................................................................................4

■ Open Source Software License.............................................................................................5

■ About this Manual ..................................................................................................................6

Aim of the Manual ........................................................................................................................................................... 6

Manual Content................................................................................................................................................................ 6

■ Contents....................................................................................................................................7

Product Overview .......................................................................................... 11

■ Features ................................................................................................................................. 11

■ Product Configurations ...................................................................................................... 13

Models................................................................................................................................................................................13

Accessories .......................................................................................................................................................................13

Options ..............................................................................................................................................................................13

■ Part Names and Functions ................................................................................................. 14

Top/Front/Rear................................................................................................................................................................14

Panel LED ..........................................................................................................................................................................15

Connectors .......................................................................................................................................................................16

Online and Offline..........................................................................................................................................................19

■ Status and Errors .................................................................................................................. 20

Status Display ..................................................................................................................................................................20

Network Connection Status .......................................................................................................................................21

Error Status .......................................................................................................................................................................22

■ 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

■ Useful Functions for Smart Devices

(Device Charging model/Bluetooth model)26

NFC Tag ..............................................................................................................................................................................26

QR Code.............................................................................................................................................................................26