4283 - 4280 - Update background as needed; Remark:4278 | FRONTLINE Maintenance Tool

Step 00

4280 - Update background as needed

Update background as needed

4278 - Background should be updated when:

Background should be updated when:

Button to update background below LED

4279 - Moving to different surroundings Searching for high activi...

Moving to different surroundings
Searching for high activity sources of radiation
U appears in LED display

HRM Displays a red "U" in display LEDs