TYREDOG TD-4100A-X - Manual (Page 17)

V1.01-FJ04 (1105068)
17
C. Now, the display will show you the latest valve of tire
pressure.
D. Adjust the anti-theft fixed ring position to install it with sensor
in place firmly.
E. Put the hex socket screw onto the anti-theft fixed ring.
(Please don’t exert excessively to damage the valve.)
Take number 1 for example