J. zeroing, I. adjusting parallax – Leapers 30mm 36-color Crossbow Scope (SCP3-1428CRWQ) User Manual
Page 9

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J. Zeroing
The purpose of zeroing the scope is to ensure that the scope is aligned
with the impact point of the pellet or bullet from the rifle. Before zeroing
the scope, read the following adjustment knob instructions carefully.
Note:
For crossbow scopes with PRO 5-STEP and PRO 4-STEP Reticle,
please also refer to Section D for more reticle-specific zeroing details.
J-1.
Sniper W/E
J-2.
TF2+ Tool-free W/E
J-6.
Lockable W/E
(Turret Color
May Vary)
J-4.
True Hunter W/E
(Turret Color
May Vary)
J-5.
Finger Adjustable
W/E
J-3.
Coin-dial W/E
J-1 Sniper W/E Operation
1.
The Windage and
Elevation Adjustment
Target Knobs have a
unique Resetting Screw
design. An Allen wrench is
provided with the scope for
adjustment.
2.
ZERO LOCKING (The windage/elevation knobs are in the
LOCKED position for a new scope out of the factory.)
Finger tighten the Zero Locking Ring by rotating clockwise
by 40 - 70 degrees. Do not over-tighten. When the Zero Locking
Ring is tightened, the windage or elevation adjustment knob
is “locked”. The knob will not rotate, preventing any accidental
movement to lose zero.
3.
ZEROING
Un-lock the adjustment knobs by turning the Zero Locking Ring
counter clockwise by 40 - 70 degrees. Now, Windage/Elevation
adjustment knobs can be rotated.
i. Zeroing with a Bore Sighter
a. Follow the instructions that came with your bore sighter and
install it in the muzzle of your rifle lining it up with the scope
as close as possible.
b. Pull the windage/elevation knob out for adjustment.
c. Sighting through the scope as though you were going to
shoot and dial the knobs to make adjustment for the windage
or elevation until the crosshair matches the bore sighter.
d. Push the windage or elevation knob down to lock the zero
position.
e. Remove the bore sighter from the muzzle. You are ready for
zeroing the target.
Zero Resetting
Hex Screw
Zero
Locking
Ring
Note:
Each click of adjustment for the windage or elevation knob
moves the impact point by the amount shown in the table below:
Note:
Since climatic conditions such as altitude, temperature,
wind and rain can affect the pellets or bullets trajectory, you may
experience some deviation in the exact settings during different
shooting sessions.
1.
Find the proper type of dial from the images above.
2.
Aim the scope at your target.
3.
Dial the Parallax Adjustment Ring, Side Wheel or Big Wheel,
depending on what is available on your model, to the desired
distance setting until the target is in the sharpest focus and the
center of the crosshair stays on the target while you examine the
image by slightly moving your head.
i. adjusting Parallax
(For Models with Adjustable Objective Only)
I-1.
Front AO
Adjustment
I-3.
SWAT AO
Big Wheel
(Optional)
I-2.
Side Wheel
Adjustable Turret
(SWAT AO)
Inches of Movement per Click
@ 100 Yards in Windage/Elevation
DISTANCE
1/2” Per Click
1/4” Per Click
1/8” Per Click
25 yds
1/8
”
1/16
”
1/32
”
35 yds
7/40
”
7/80
”
7/160
”
50 yds
1/4
”
1/8
”
1/16
”
100 yds
1/2
”
1/4
”
1/8
”
200 yds
1
”
1/2
”
1/4
”
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