Eurocom P170HM Neptune - Manual (Page 182)

Modules
7 - 56 Bluetooth Module
7
5. You may need to allow the connection from your device, and you will then need to
provide a passcode from the device.
6. You can then enter the passcode on the computer and click OK to establish the
connection.
Figure 7 - 36
Bluetooth Pairing
Code & Connection
Established