# LED indicators Flash Patterns

The standard flash patterns of the LED indicators are shown below:

General description | Light pattern description | Light color | Illustration*
--- | --- | --- | ---
Starting up / booting | Pulse light All LEDs | White | On (left image) - Off (right image)
Tightening initiation | Spot light Central LED in both front and back view light up. | White |
Tightening progress | Radial gradient light, 2 directions LEDs light from the center towards the sides in both front and back view simultaneously. | White |
OK Result | Solid light All LEDs | Green |
NOK Result | Alternating light All LEDs | Red |
Batch Done | Radial gradient light, 1 direction Starts from central LED in the front view, and continues radially until reaching the central LED. | White |

*Illustration description:

A | Light behavior | B | Back
C | LED ring (section) | D | Front