Spectra Precision Survey Pro v4.5 Recon and Nomad User Manual - Manual (Page 353)

Basic GPS Module
343
Bluetooth Connection
1. If communicating with one or both GPS receivers
using Bluetooth, tap Bluetooth Setup Wizard…
from the Job > Settings > Connection screen.
2. Be sure your GPS receivers are powered on and
the Bluetooth adapters are attached to COM2 on
the EPOCH 25 and tap Scan >.