4 / REPLACING ACCESSORIES & MAKING ADJUSTMENTS – Cont’d
d. HEADGEAR ADJUSTMENT
Tightening Knob (Y): Expands or contracts the main headband. Turn knob clockwise
to tighten, and anti-clockwise to loosen.
Top Strap (W): Adjust the strap buckle according to personal preference & head size.
Tilt Angle (X): The locating pin on the right side of the helmet can be moved to dier-
ent positions to adjust the tilt angle of the helmet when it is resting in the lowered
position.
Horizontal Position (Z): Adjusts the distance of the helmet from the operators face.
Loosen the headgear retaining nut to change position (front, centre or rear). The
same position should be selected on both sides.
c. INSTALLING A MAGNIFICATION LENS
Any standard 108x51mm magnication lens
can be tted by insert it into the retaining
tabs on the inside of the lens retainer frame
(6), in front of the viewing window.
Note: To prevent fogging, place the at side
of the magnication lens towards the ADF
(auto-darkening lter/lens).
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