3
1 System description
Observation light intensity con-
trol knob
It is a knob to adjust the intensity of the
illumination during observation.
Flash intensity compensation knob
It is a knob to adjust the intensity of the
illumination when photographing.
Photography mode switching buttons
Field angle selection button
It is a button to switch the eld angles between 50º/30º in mydri-
atic, and between 45º/27º in nonmydriatic.
FA button
It is a button to switch the photography mode to FA.
RF/FAF button
It is a button to switch the photography mode to
Red Free or FAF.
Mydriatic color button
It is a button to switch the photography
mode to mydriatic color.
Non-mydriatic color button
It is a button to switch the photog-
raphy mode to non-mydriatic color.
Diopter compensation buttons
They are buttons to insert a lens to
correct the diopter of the patient’s eye.
LCD monitoring button
It is a button to observe on the LCD moni-
tor in mydriatic color photography, Red
Free photography, Fluorescence angiog-
raphy (mydriatic fluorescence), and auto-
uorescence photography (FAF [optionally
available]) modes.
S.P. button
By using this button when the mydriatic state is
insufficient, brighter photography images can
be captured.
Timer button
It is a button to starts counting the timer in FA.
Barrier lter button
Lock lever
Lock the optical head base by op-
erating the lever.
Chin rest buttons
They are buttons used for raising or lowering the chin rest.