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7. If necessary, turn on the IR-illuminator (6)
(Fig.2) (Special order only). NVS-33 is protected
against accidental illuminator switch by the
design of the switch handle. Press and rotate the
switch (5) (Fig.2) to activate the illuminator.
Divergence of IR beam could be changed from 5
to 20 degree by rotating of the IR lens.
The sight is not necessarily equipped with the IR
illuminator. Your sight configuration is determined
by your order. Working with IR illuminator can
potentially disclose your location to the other side.
8. The fire adjustment of the combination daytime
riflescope / night vision attachment should be
performed in accordance with the instructions of
the fire adjustment of the daytime riflescope.
9. Turn off the switch (5) (Fig.2) after work is over.
10. Close the objective lens cover.