1874 - BT-DU3 Battery OK? BT-DU3 Battery OK? Yes Go to 2027 - 1884 - Gamma Detector Available? - Decision, Notes: 2000 No Go to 2024 - 540 - Charge battery - Process, Notes: 1992 Step Reference Number 3.7 Note 1995 - Press PWR button to show battery life. Battery is OK if 2 or more lights are ...
