BSA Optics CAT416X44SP - Manual (Page 4)

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Manual: The Catseye™ series is equipped with push/pull locking turrets.
Pull turret knob away from scope body to UNLOCK.
For windage adjustment turn counter-clockwise to move the point of impact
right, and clockwise to move the point of impact left.
For the elevation adjustment turn clockwise to lower the point of impact and
counterclockwise to raise the point of impact.
Using a boresighter: Follow the instructions that came with your boresighter
and install the boresighter in the muzzle of your rifle lining it up with the scope
as close as possible.
Looking through the scope as though you were going to shoot you should
see (2) two sets of crosshairs. One set is a plain crosshair (this is the one
in the scope itself) and another set which is graduated or on a grid (this is
the one in the boresighter). These crosshairs should line up with each other
vertically, horizontally and in complete alignment. If the vertical and horizontal
crosshairs are not parallel with each other, adjust the boresighter in the
direction it needs to turn in order to achieve this.
Make sure the crosshairs cross or meet at precisely the same location.
Proceed to adjust your scope right, left, up, or down until the cross-hairs
match. Remove the boresighter from the muzzle.
Push turret knob toward scope body to LOCK setting.
CAUTION:
BE SURE THAT THE FIREARM IS NOT LOADED.
PRACTICE SAFE FIREARM HANDLING AT ALL TIMES.
4.) ZEROING
The next step is to test ammunition. No two ammunitions will behave in
the same manner when fired from the same rifle. This may be one of the
most important steps in sighting in any firearm and is the one that is most
frequently omitted. DO NOT bypass this step.
• Holding the crosshairs steady on the target, squeeze off a round.
• Repeat this two more times to get a three shot group.
• Retrieve your target and triangulate the shots to get an average point of
impact. Measure from that POI to the bulls eye where you aimed.
• This measurement can now be adjusted by unlocking and rotating the
turret knobs.