SpecterOS4x Operation Manual
Page 5
1.3.6 Azimuth
Reference
The front yoke on the sight housing has space gaps between the yoke and the mount base plate. When
each of the two gaps shows equal spacing, the sight is roughly at azimuth centre. Figure 2-4
1.3.7
Azimuth (Windage) Adjustment Screw
The azimuth adjustment screw is located at the front left side of the mount. It is rotated to left or right to
change the Mean Point of Impact (MPI) of the bullets. A coin or rim of a bullet can be used to turn the
adjustment screw. Rotate the screw clockwise to move the point of impact to the left. Rotate the screw
counter clockwise to move the point of impact to the right. Each ‘click’ moves the point of impact ½ Minute
of Angle (MOA) (approximately ½” at 100 yards).
1.3.8
Reticle Illumination Knob
Rotation of the knob illuminates the reticle at varying levels of brightness. Reference marks on the
housing indicate the operating positions of the switch
1. Counter Clockwise from off, illuminates the central aiming mark (cross or chevron) with 5 intensity
levels: 2 for Night Vision equipment use, and 3 for low light and daytime use.
2. Clockwise from off, illuminates the ballistic reticle with 5 intensity levels: 2 for Night Vision equipment
use, and 3 for low light use.
NOTE:
The SpecterOS4x is designed for use with forward mounted night vision devices such as the
AN/PVS-22 . Reticle illumination settings may be too bright for use with rear-mounted night vision devices
such as AN/PVS-14.
