14
（picture 16）Because of the angle of X-Rays, sometimes it can’t take photo of
the apical foramen properly, so it can’t show the accurate position of the apical
foramen.
4.3 Instruction
4
.3.1 Please insert the plug into the socket on the right side of the main unit,
turn on the device, the instrument is normally on and without warning, which
indicates that the instrument is normal. Please refer to the troubleshooting section
when there is a warning.
4.3.2 Connect the file clip and lip hook（Pic 9）, this
icon appears on
the screen, means the connection is normal, the measurement can be start.
4.3.3 Please press the volume key to set the volume.
4.3.4 Hang the lip hook on the lip , make sure it contact the oral mucosa as a
reference electrode（Pic 17）.
4.3.5 Clip the file with the file clip, approach to the apex, then there will be
continuously alarm when the distance is less than 2.2mm（Pic 18）.
【Notice】
a）When grip the root canal with a needle file, please grip the upper of the
metal part(near the root canal at the needle handle). If you grip the lower part
(blade or moving part), it will wear the metal part of the file folder and the resin part.
（Pic 19）
Picture 17
Picture 18
