C
ARE AND
M
AINTENANCE
Page
73
Electronic Copy of LTI’s Impulse User’s Manual 8
th
Edition © October 1998
clean cloth or lens tissue. If paint spatters on a
lens, let it dry and carefully pick off the dried
paint with your fingernail.
•
Batteries.
If you won’t be using the instrument
again soon, remove the batteries before storing
it.
Caring for the Scope
Do not attempt to lubricate the scope. It is sealed
from within using O rings and special compounds.
All seals are permanent and require no
maintenance.
Clean the lenses with lens cleaning solution and a
soft, dry cloth or lens tissue. Use a lens brush to
remove surface dust and loose particles. Remove
paint splatters by
letting them dry and carefully picking them off with
your fingernails.
The windage and elevation adjustment screws are
permanently lubricated; do not attempt to lubricate
them. Keep the turret caps on except when you are
aligning the scope.
Checking the Display Screen
It is a good idea to periodically check the display
screen to make certain that all display segments
still show up. You can do that by powering on as
usual, but instead of releasing the Fire button
immediately, hold it down. For as long as you hold
the button, all segments of the display should show,
allowing you to identify any that no longer display.
