Pair Bluetooth (Printer) to Handheld (CN-51)

Step One

In BookLink Mobile, on the main screen, poke TOOLS and then System Settings

Step Two

Poke the Discover button near the bottom of the screen

Step Three

Poke the listed device and poke OK in the bottom right

NOTE: If you have never paired this Bluetooth device or it does not show up in the list, make sure the power is connected to the BlueTooth device. 

See also this note for pairing mode on Parani SD1000 BlueTooth Devices

Step Four

Test the connection by printing Blank Invoices or Van Inventory