Kestrel 4500 Horus (Ballistics) User Manual download pdf (Page 11)

• The Tgt heading will change to to indicate the

setting mode.

• The direction will be continuously updated on the

target line.

• Pressing the button again will capture the current

direction as DoF.

• The Tgt heading will return to its normal state.

Note: If the compass is not calibrated, a new screen

will pop up to aleart you that capture won't work

until compass is calibrated.

Wind Speed Quick Key

• Pressing the button while Wind is highlighted will

enter the Wind setting mode.

• The Wind heading will change to to indicate

the setting mode.

• The moving 5-second average for windage and wind

speed will be continuously updated on the wind line.

• The moving 5-second average for wind solution will be

continuously updated.

• Pressing the button again will capture the current

wind speed.

• The Wind heading will return to its normal state.

• The Wind line will show the captured relative wind

direction and wind speed.

Note: If the compass is not calibrated, a new screen

will pop up to alert you that capture mode won't

work until compass is claibrated.

GLOSSARY OF TERMS

Active gun: When a gun is made active, ballistic solutions

for that gun pertaining to all active targets are readily

displayed. Ballistic solutions for guns that are inactive are

not displayed.

Aiming/Ballistic solution: This consists of sight corrections

for windage, elevation (and in the case of a moving target,

lead) for a selected active gun and target, along with other

calculated values such as bullet velocity and energy. On

the main Horus screen, only elevation and windage are

displayed. On the Range Card and Ballistic Info screens,

detailed ballistic solution data is available.

Subsonic: The speed at which the bullet is slower than

the speed of sound. Bullet velocities in this range will be

displayed with a large dot to the left of the value.

Target: A target is characterized by its direction, range,

inclination angle, and applicable wind; a moving target has

a direction and speed of motion. Targets are identied by

a single letter: up to ve can be described, designated by

the letters A through E. It’s important to note that wind is

specic to a target – each active target has its own wind

specication.

Transonic: The speed at which the bullet slows to the

speed of sound. This is also seen as the boundary between

supersonic and subsonic. Bullet velocities in this range will

be displayed with a small dot to the left of the value.

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Kestrel 4500 Horus (Ballistics) User Manual Page 11

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