EOTech CNVD-T (SU-232/PAS) Clip-On Night Vision Device - Thermal - Manual (Page 45)

3-3
(4) Place the unit in auto-gain mode per section
2.9.1.
c. No Reticle is visible.
(1) Adjust display brightness per section 2.8.
(2) Ensure reticle is turned on per paragraph 2.12.5.
(3) Adjust reticle intensity per paragraph 2.12.4.
d. Poor or degraded image.
(1) Perform a calibration per paragraph 2.12.3.
(2) Remove night vision spectrum filter, if installed.
Clean eyepiece and objective lens.
(3) Inspect the night vision spectrum filter for dirt,
grime, scratches, and cracks. Clean and/or
replace, if necessary.
(4) Replace existing batteries with fresh batteries.
3.3 CORRECTIVE MAINTENANCE PROCEDURES
See section 3.4 of this chapter for guidance regarding
maintenance and/or repair actions beyond those described
in this manual.
3.3.1 Adjusting Throw-Lever Tension . The throw-lever
mounting bracket has a locknut that adjusts the tension
required to clamp it to the weapon rail. It is preset at the
factory but may need adjustment when initially mounted to
the rail of the host weapon. If adjustment is required, the
following procedures apply and are performed with the
CNVD-T removed from the host weapon: