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NVS 6
MANUAL
Page 13
Knob (18) provides a means of individual adjustment of the
monocular position (eye relief, tilt of the monocular pair optical axes, and
displacement of the monocular pair in the upward and downward
directions).
The monocular pair is locked in the selected position by moving the
knob down as far as it will go. This securely locks the monocular pair in
this position. The force applied for tightening the knob is adjustable. This
adjustment is performed after releasing the hinged joint by turning screw
(19) about its axis. To carry out the adjustment, pull out plate (20) that
retains the screw in position and turn it complete with the screw to the
next fixed position. In so doing, remember that the knob retaining force
becomes greater as the plate is turned clockwise and vice versa.
The night-vision goggles can be promptly removed from the pilot’s
field of view and transferred to the stowed position.
To do so, take hold of the monocular pair and, while overcoming
the force of retainer (21), move it fully upwards to the stowed position. As
the monocular pair is brought to a stop, the retainer will operate to hold it
up in the stowed position.
The electrical circuits, in this case, will become automatically de-
energized through activation of the microswitch.
5.4.2 Voltage converter (2) is illustrated in Fig. 3.1.
The voltage converter is designed to supply power to the NVS 6 from
the helicopter electrical system.
The voltage converter consists of two separate components: low-
voltage converter (LVC) (10) and cable (11) as shown in Fig. 5.1.
The LVC is a stabilized DC power source used to convert the
helicopter electrical power of 27V DC to 2.6V DC to power the unit.