Neitz IO-A LED, Руководство пользователя

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3.2 Operation
3.2.1 Wearing the IO-
α
(1) Loosen the Headband by turning the Headband
Size Adjustment Knobs located at the top and
rear of the Headband counter-clockwise and
position the Headband so that it comes into
contact with the forehead.
(2) Turn the rear Headband Size Adjustment Knob
(
①
) clockwise to tighten and keep the Headband
in place. It is advised to lower the rear portion of
the headband to increase stability (see Fig. 3.6) .
(3) Turn the top Headband Size Adjustment Knob
(
②
) clockwise to adjust the height.
3.2.2 Positioning the Scope Unit
(1) Loosen the Scope Unit Fixation Knob (
③
) by
turning counter-clockwise. Be sure to keep hold
of the Scope Unit (
④
) while loosening, as the
Scope Unit may suddenly tilt.
(2) Move the Scope Unit and tighten the Scope Unit
Fixation Knob to fix in the position with the best
view when observed through the eyepieces (see
Fig. 3.7)
3.2.3 PD Adjustment
(1) Turn the Observation Angle Adjustment
Lever (
⑤
) upward to fully spread the angle
of observation (see Fig. 3.8).
(2) Focusing on an object (such as a thumb)
approximately 400 mm from the Scope
Unit, move each Eyepiece one at a time by
sliding the PD Adjuster (
⑥
) so that the
object is centered in the field of view.
3.2.4 Illumination
(1) Turn the Illumination Switch clockwise from the OFF position ( ) to turn the
illumination on. Illumination intensity will increase as the switch is turned (a marking
to indicate the intensity is shown as )
A clicking sensation indicates the median.
(2) Choose the desired field of illumination using the Aperture Selection Lever. The
following diameters can be selected.
Marker Aperture Diameter at 500 mm distance
Large 80 mm
Medium 50 mm
Small 19 mm
Fig. 3.6
①
②
③
Fig. 3.7
④
Fig. 3.8
⑥
⑤
PD Scale