3-1
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3. OPERATION PROCEDURES
3.1 Safety precautions
■ The power plug completely isolates the instrument from the commercial
power source. If there is a problem with the instrument, turn off the power
switch and disconnect the power plug. Install the instrument in a place
where this can be performed smoothly.
■ Install the instrument so that the user can use the system under optimal
conditions. Carefully connect the devices so that the wiring is not
disconnected unintentionally during operation, and does not hinder
operation of the instrument.
3.2 Preparation before use
■ Be sure to touch the “New” button to delete the measurement data for the
previous patient before measuring a new patient. If new measurement is
started without deleting the previous data, the data for the previous
patient may be included.
3.2.1 Connections
a) Power code
Insert the connector of the power cord into the power socket on the side of the
main unit in the correct direction. Connect all three pins of the plug.
b) Connecting the axial length and corneal thickness measurement instrument AL-4000
■ Check that either or both of connected devices is in new patient mode
before starting to communicate the patient information and measurement
data. Communication cannot be started while both devices have
information and measurement data for the last patient.
Connection methods with AL-4000 include USB connection (wired) and
wireless connection.
[USB connection]
1） Plug the USB cable plug B (2) into the USB-D connector (1) on the top of
AL-4000 in the correct orientation.
2） Plug the USB cable plug A (4) into any of the USB-H connectors (3) on the
side of the main unit, making sure the orientation is correct.
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