Kowa VX-20, Инструкция по эксплуатации, Страница: 46 / 88

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4 Advanced operation
4.1 Tilt and panning
This instrument has the tilt and panning mechanism, which is used to photograph more surrounding field in
mydriatic color photography and fluorescence angiography.
4.1.1 Tilt
1
Rotate the tilt lock knob to the left as you face directly to the tilt lock knob to release the lock.
2
Turning the tilting handle to the right (as you face directly to the tilting handle) allows you to tilt the op-
tical component in an angle of depression.
3
Turning the tilting handle to the left (as you face directly to the tilting handle) allows you to tilt the opti-
cal component in an angle of elevation.
Point
;
The tilting mechanism has a level position, where you feel a
“click” when moving the instrument. When you have finished
photographing the surrounding field and return to the standard
photography, return the instrument to this position.
;
When the tilting angle of elevation is insufficient in order to
photograph a surrounding field, you may use a higher forehead
rest K9L-HR56 (optional accessory), which moves back the pa-
tient's forehead and increase the angle of elevation,
4.1.2 Panning
1
Rotate the panning lock lever to the left as you face directly to the panning lock lever to release the
lock.
2
Hold the area under the focusing knobs and slowly panning it to right or left.
Point
;
The panning mechanism has a reference position, where you feel a “click” when moving the instru-
ment. When you have finished photographing the surrounding field and return to the standard pho-
tography, return the instrument to this position.
Tilt lock knob
Tilting handle