Simply put, when I use auto find, the bar comes up and then hardly moves, if at all. I have let it sit for 20-30 minutes in a cloudless sky. Anyone else having GPS issues?
Check your baud rate it should be 4800 bps
Scanner: Menu - Set Your Location - Set Up GPS - Set Serial Port - 4800bps
Sentinel: Edit - Edit Profile - Location Settings - Baud Rate - 4800bps then save.
[Sentinel got me many times because of SDS200 runs at different Baud rate]
Make sure that GPS is Displayed on screen it lets you know its on.