Kestrel 4500 Horus (Ballistics) User Manual download pdf (Page 10)

Note: The Range Card will display range values up

to 4000 yards, or the closest equivalent in meters,

depending on the range increment.

Remaining Velocity

• A small dot will appear to the left of the muzzle

velocity value to indicate the bullet is in the

transonic range.

• A larger dot will appear to the left of the muzzle

velocity value to indicate the bullet is in the

subsonic range.

BALLISTICS SCREEN

The Ballistics screen displays complete information about

the ballistic solution that pertains to the currently selected

target and gun. The only parameter whose value can be

altered in this screen is the “Range” (this can be done by

using



and to adjust the value).

• Use or to scroll to a particular parameter.

• Use to enter into a parameter screen for further

information about it or change unit of measure.

• Use to return to the Ballistics screen.

Note: An R or an L will appear beside each solution to indicate

which side of the target you should aim.

ATrag Signature Feature

TRUE DROP

In an ideal world, shooters would go into the eld knowing

exactly how their chosen combination of gun and ammuni-

tion will perform, calculated ballistic solutions would always

be correct, and a properly delivered shot would always hit

the target. In the real world, ballistic data is often imperfect,

and even well delivered shots often miss.

The best way to deal with this is to allow ballistic parameters

to be adjusted to reect what is actually observed. When

this is done correctly, overall accuracy can be signicantly

enhanced. The Horus Kestrel includes a Drop Truing screen

to support this valuable function.

• When all parameters are set, press to escape.

• On the Gun screen, use to highlight the

“True drop” item

• Press to enter the Drop truing screen.

• In the Drop Truing Screen, use or

to highlight the parameter you wish to change.

• The parameters that can be adjusted are “BC” (ballistic

coecient), “MV” (muzzle velocity), or “Range”.

• This adjustment is made so that the calculated

elevation correction matches what is actually

observed.

QUICK KEYS: DIRECTION OF FIRE &

WIND SPEED

The Direction of Fire (DoF) and Wind Speed (WS1 & WS2)

Quick Key feature allows you to quickly and easily change

the values of these parameters from the Main Horus screen

without entering into the Target screen. It minimizes the

number of button presses and time by instantly capturing

these values from one screen- the Main Horus screen.

Direction of Fire Quick Key

• Pressing the button while Tgt is highlighted will

enter the DoF setting mode.

RANGE CARD

Rng

800

900

1000

RemV

•

1272

•1177

•

1101

RemE

629

538

471

•

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Kestrel 4500 Horus (Ballistics) User Manual Page 10

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