Lenovo ThinkPad T520 User Manual page 124

LED behavior of the fingerprint reader
Table 7. LED behavior list_fingerprint reader
Indicator
LED blinks green.
LED is solid green.
LED blinks amber.
Swiping your finger over the reader
To swipe your finger over the reader, do as follows:
1. Place the ball of your finger, that is, the central part of the fingerprint, on the small circle above the
reader. Make sure that the entire top joint of the finger is on the reader.
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User Guide
Description
The fingerprint is being authenticated or has been
authenticated.
The fingerprint reader is ready to swipe.
The fingerprint could not be authenticated.