Nidek Medical AFC-330, Руководство оператора

Страница: 117 / 186

101
OPERATING PROCEDURE : Photography settings menu
2
2.8.1 Fixation lamp mode
Select the desired fixation lamp button from the Fix mode buttons in the Photography settings menu
screen. (The selected button is displayed in orange.)
There are the Standard and Advanced patterns for the internal fixation lamp positions. In addition, in
Panorama photography mode, the number and positions of the internal fixation lamps are specified.
If the patient cannot fix their gaze on the internal fixation lamp, the external fixation lamp (optional
accessory) can be used.

Internal fixation lamp
There are three patterns for the internal fixation lamp illumination.
: Standard
Allows illumination of the internal fixation lamps to be positioned at three locations in order to center in the captured
image the following portions of the eye: the macula, the optical disc, and the midpoint between the two. The three
locations cannot be altered.
: Advanced
Allows illumination of the internal fixation lamps at seven positions each of which guides the following portions of the
eye to the center of captured images: the midpoint between the macula and the optical disc, and six points in the
peripheral areas. The seven positions cannot be moved.
: Panorama
This button is displayed only in Panorama photography mode. In the default setting, the number and positions of the
internal fixation lamps are the same as those for the Advanced pattern.
For details of the setting, see “
 Pan. fixation lamps” (Page 116).
<Operation of internal fixation lamp during image capture>
1
During the alignment, press the desired fixation lamp mark.
The pressed fixation lamp changes from to , and the internal fixation lamp of the
touched position illuminates.
In Panorama photography mode, the position of the illuminating fixation lamp automatically
changes for each image.
#&8
2CPQ
• At peripheral areas, the internal fixation lamp may not be visible from the patient.