Topcon TRC-50DX, Инструкция по эксплуатации

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BASIC OPERATIONS
6
Push the base unit toward the patient side slowly, and the retinal image is seen in the opti-
cal finder.
7
Watching the observed image in the optical finder, adjust its brightness with the
.
8
Finely adjust the main body forward and backward to illuminate the retina evenly.
• When the alignment bright spots are used:
Press the on the control panel.
Move roughly the main body into a position about 40mm in front of the patient's eye with the
joystick positioned straight. Then adjust the joystick up and down / right and left until the illu-
mination light becomes coaxial with the patient's pupil. The alignment bright spots will appear
on the right and left sides in the optical finder. Make these spots as small as possible.
If the patient moves the eyes or when photographing the periphery by tilting or swinging,
sometimes the alignment bright spots on the right and left disappear.
• Adjust alignment so that flares cannot be seen.
• The instrument can be used as mentioned above for the front of 50°.
• When the angle of coverage is changed or when photographing the periphery, it is not
possible to use the alignment bright spots.
9
Focus the retina.
• How to focus the retinal image with the split lines* (Only in "With split" type)
Set the internal fixation target (only in Type IA) to the "OFF" position, and turn on the
.
Turn the focusing knob to align the right and left split lines.
* The split lines cannot be used if the
is set
other than "0".
ILLUMINATION LEVEL KNOB
ALIGNMENT SWITCH
SPLIT SWITCH
DIOPTER COMPENSATION LENS SELECTOR
Ex TIME SPLIT Ba