Citizen CT-S4500 User Manual page 37

 Print the interface board state
After starting the printer, pressing the panel button once prints the interface board
state.
Print example
1. Board firmware version
2. Address of equipped Bluetooth module
3. Bluetooth name
4. Response profile in Bluetooth transmission
5. Bluetooth setting state
6. Name of connected USB device ("No connection" is displayed when there is no
connection)
7. Board status
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