9
c) Make sure if the file clip and lip hook are connected well to the measuring
wire.
d) Make the lip hook touch the bent wire of the file clip [as showed in picture
5] make sure the connection icon on the LCD screen shows steadily [as showed in
Picture 6], otherwise , it means that the file clip or the measuring wire is damaged,
should be replaced.
3.1.4 Determine the working length
a) When the indicating bar reaches the position of the dial 0.0, and there is
"APEX" on screen, the endo file has reached the anatomical apical foramen. On the
basis of measured length, subtract 0.5-1.0 mm to get the working length.[Picture 7
(a)]
b) When the indicating bar reaches the red area "OVER", it indicates that the endo
file has exceeded the apical foramen. Acontinuous beep sound will be generated at
the same time. [Picture 7(b)]
