Electronic Apex Locator (Laec) - CASTELLINI SKEMA 6 Instructions De Service

Setting the amount of saline solution delivered by the pump.
• Hold down the button (at least 2 seconds) to set the amount of saline
solution delivered by the pump.
• Use the increase and/or decrease buttons to select the desired amount.
NOTE: a value ranging from 1 to 5 can be used.
The amount of saline solution delivered that is associated to the settable
values is given below:
- value 1: approximately 35 cc/min
- value 2: approximately 50 cc/min
- value 3: approximately 70 cc/min
- value 4: approximately 90 cc/min
- value 5: approximately 100 cc/min
• Press function key ESC to quit this submenu and confi rm the selected
value.
Faults.
If the peristaltic pump fails, the relative icon will appear in red on the
display.
In this case, call Technical Service.
5.11.

Electronic apex locator (LAEC).

By analyzing resistance to a small electric current, LAEC is able to help
in locating the root apex. If used together with a "fi le" (not provided) for
manual treatment, it is an important tool in measuring the length of the
canal itself.
Along with regular manual use in this dental unit, it is possible to use the
apex locator together with "ENDO" mode of the micromotors and scaler. The
position of the instruments used on the handpieces can be monitored as the
LAEC signals directly reach the fi les, through the instrument cords, thereby
allowing the position of the canal to be monitored during treatment.
Description of the components.
[ 1 ] LAEC outer cable.
[ 1.1 ] LAEC outer cable - neutral pole.
[ 1.2 ] LAEC outer cable - active pole.
[ 2 ] Hook electrode.
[ 3 ] Probe.
[ 4 ] LAEC clip connecting forceps.
[ 5 ] Outlet for LAEC outer cable .
Operation.
• In this dental unit, the LAEC automatically turns on when the outer cable
[ 1 ] is inserted in the outlet [ 5 ] placed under the instrument board.
When turned on, the menu for setting the alarm threshold appears on the
display (see paragraph 5.1.1.2.8.).
• Applying the electrodes:
- Connect the hook electrode [ 2 ] to the neutral pole [ 1.1 ] and place it
on the patient's lip.
- Connect the active pole [ 1.2 ] to the fi le (not provided) placed on the root
canal; connection to the fi le can be done using the probe [ 3 ], forceps
[ 4 ] or with the fi ttings provided for the handpieces.
IMPORTANT INFORMATION!
The electrodes are not sterile when supplied.
Indications given on the display.
• The bar graph on the left side of the display shows the position of the fi le
in relation to the apex. Numbers "1, 2, 3" represent the distance between
the instrument and apex.
• Icon APEX shows the distance of the instrument from the apex.
NOTE: indication " > 4 " means that the fi le is too far away from
the apex in order for it to be measured.
• Icon ALARM shows the set alarm threshold.
The alarm threshold identifi es the distance between the instrument and
apex, beyond which a beep is emitted that gradually increases as it gets
closer to the apex.
See paragraph 5.1.1.2.8 for instructions on how to set the alarm thre-
shold.
The graphic and numeric readings are constantly updated while the fi le is
being introduced in the canal.
SKEMA 6
- OPERATING INSTRUCTION
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