
18
3 Basic usage
9
Guide the patient's fixation.
Use the external fixation target to guide the patient's fixation position
until the part you want to photograph becomes visible through the op-
tical viewfinder (eyepiece).
¿
Position the external fixation target where the patient can fix the vi-
sion with the eye not examined.
¿
If the patient's fixation cannot be achieved with the eye not pho-
tographed, press the “LCD monitoring button”; then, select an
internal fixation target using the “fixation target selection button”,
or use the internal fixation target (optional accessory) to guide the
patient's fixation.
0
Adjust the focus.
Turn the “focusing knob” to adjust the focus. When you turn the fo-
cusing knob, the focus dots on the LCD monitor move left and right.
Turn focusing knob so that the upper and lower focus dots come to
form a straight line.
Notice
¿
The focus dots are not displayed when using the diopter compensation lens. Adjust the focus as you
view the retinal image on the LCD monitor.
-
Photograph the image.
Press the “shutter button” to activate the flash and photograph the im-
age.
When the connection configuration is in “Stand-alone” or the “Network
connection”, images are displayed in the preview window.
Summary of Contents for VX-20
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