These steps can help you connect your bluetooth scanner to the tablet.
Step 1: Set scanner mode to Bluetooth and connect it to the tablet. They can follow steps in this manual for that. In particular Working via Bluetooth section on page 1 and 2.Step 2: We need to enable bluetooth_scanner_enabled for them in the admins table in the database. You can go ahead and make this change.
Step 3: They can log out and log back in on the Tablet App > they should be able to start using the scanner.