6
Picture 5
（a）
to the root tip, color scale will gradually fill, the
alarm sound will be more rapid (non-silence
state); when the needle reached the preset of
the root file, the alarm will ring often to remind
that has reached the apex; when file tip needle
penetration, red dot prompt is displayed below
the enlarged area with accompanying alarm.
Picture 5（c）is the position of the apical
region of the root. The position of red arrows
point is preset root tip, when the red arrow is
located at a scale (the red arrows are located in
the 0 scale for product factory), the measurement
results to or beyond this scale, will display “APEX” with alarm. The method for
adjusting the position of the red arrow is long press the volume key for 1 seconds,
and the moving range is 0 ~ 0.4.
2.2 Key Function
Picture 6
Picture 5（c）
Picture 5（b）
