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15. TROUBLE SHOOTING
Listed below are some potential problems that may occur when
using DN463. Carry out the recommended checks and
troubleshooting steps in the order listed. Please note that the
table does not list all of the possible problems. If the problem
experienced with the scope is not listed, or if the suggested
action meant to correct it does not resolve the problem, please
contact the manufacturer.
Problem Possible cause(s) Corrective action
The riflescope
does not turn on.
The battery has been
installed incorrectly.
Reinstall the battery with
the
correct polarity
orientation
The total battery charge
is less than 2.0V.
Install fresh battery.
Oxidized contact points
in the battery
compartment due to
“leaky” batteries or
contact points becoming
exposed to a chemically-
reactive solution.
Clean the battery
compartment,
focusing on the contact
points.
The red reticle is blurred
and cannot be focused
with the diopter knob.
The diopter cannot be
adjusted
to your vision.
If you wear prescription
glasses with a range of
+/- 5, keep glasses on
when looking through
the eyepiece.
With a crisp image
of the reticle, the image
of the observed target
that is at least 30 m away
Dust and moisture are
covering the outside
optical surfaces.
Clean the lens surfaces
with a soft cotton tissue
or cloth.