1874 - BT-DU3 Battery OK? BT-DU3 Battery OK? Yes Go to 2014 - 1887 - Neutron Detector Available? - Decision, Notes: 1994 No Go to 2011 - 540 - Charge battery - Process, Notes: 1992 Step Reference Number 4.7 Note 1995 - Press PWR button to show battery life. Battery is OK if 2 or more lights are ...
